Human Activities and Environmental Changes along Taiwan’s West Coast
di Ts’ui-jung Liu
The coastline surrounding the Island of Taiwan is 1.139 km long, with different topographies. Along the island’s west coast, from the estuary of the Tamsui River in the north to that of the Fengkang Stream in the south, the geographical features of the coast are of gravel beach, sandy beach, sand dune, sandbank and lagoon, as well as newly reclaimed tidal lands. This paper attempts to investigate human activities and their impacts on the environment along this costal area. With a brief overview of human settlements in this area, the discussion will focus on the development of tidal land, aquaculture, and the establishment of coastal industrial parks. These activities brought forth economic gains; however, there are related issues, such as subsided stratum, pollution, water and soil salinity, which cannot be ignored.
The Island of Taiwan has a land area of 35,806.47 km2 and a coastline of 1,139.25 km as in 20091. The coast of Taiwan is generally divided into four parts with different topography. The northern mixed coast, from the estuary of the Tamsui River in the northwest to the headland of Sandiaojiao in the northeast, has both rocky and sandy sections produced by uplifting and depression. The eastern fault coast, from Sandiaojiao to Hsuhai in the southeast, except for a few alluvial deltas, has the mountains parallel to the coastline facing the Pacific Ocean. The southern coral-reef coast along the Hengchun Peninsula extends from Hsuhai to Fengkang in the southwest. The western uplifted coast, from Fengkang to the Tamshui River, is close to deposit plains with straight sandy coast without deep bays2. (See Map 1) This paper will focus on Taiwan’s west coast.
A study in 1980 divided Taiwan’s west coast into three sections. The northern section, from the Tamsui River to the Tachia River, including the coast along Taoyuan, Hsinchu, Miaoli, and Taichung Counties, has a length of 177 km with gravels scattering along sandy beach. The middle section, from the Tachia River to the Tsengwen River can be further divided into two parts: the one along the coast of Changhua and Yunlin Counties has a length of 93 km with sandy beach and wide intertidal zone created by sediments deposited mainly from the Chuoshui River; and the other along the coast of Chiayi and Tainan Counties has a length of 70 km with sandy beach, offshore sandbank and lagoon. The southern section, from the Tsengwen River to the Fengkang Stream, including the coast along Tainan City, Kaohsiung County, Kaohsiung City, and a part of Pingtung County, has a length of 120 km with sandy beach; and some earlier tidal lands, sandbanks and lagoons had already become dry land.
By comparing the maps of 1904, 1926, 1954 and 1975, it was found that Taiwan’s west coast had extended westward, although the speed of movement varied at different localities3.
In 2008, the Construction and Planning Agency of Ministry of the Interior initiated a program and entrusted Taiwan CECI Engineering Consultants, Inc. to conduct surveys on intertidal zone. As a result, the current situations of Taiwan’s west coast at 10 sections are as follows4:
(1) The coast of Taoyuan has a length of 39 km with sandy beech. Previously, there was a sand dune with a length of 8 km and height of 8 km as well as a dense windbreak forest. Now, the sand dune is drawing backward and the windbreak is disappearing. The width of intertidal zone is about 100-300 meters.
(2) The coast of Hsinchu has a length of 28 km with characteristics of large tide range (about 4.8 m) and wide intertidal zone, but the coastline at many places are drawing backward and windbreak forests are disappearing. There are three wetlands along this coast, at Hsianshan and Hsinfeng townships and the estuary of Keya Creek.
(3) The coast of Miaoli has a length of 50 km. As previously, the amount of sediments was rather large, there are offshore sandbanks between Houlung and Tungsiao and the width of intertidal zone is 0.7-1 km around Waipu fishing port. At Tungsiao and Yuanli, some sand dunes are eroding. At the estuary of Chungkang Stream, there are mangrove and coastal forests nearby.
(4) The coast of Taichung has a length of 41 km. There are alluvial plains at the estuaries of Taan and Tachia Rivers with high tidal range (about 5.2 m) and wide intertidal zone; the southern part is marsh swamp at the estuary of Wu (also known as Tadu) River. At the estuary of Tachia River is Kaomei wetland conservation area.
(5) The coast of Changhua has a length of 61 km with rising alluvial plain created by sediments deposited mostly from the Wu and Chuoshui Rivers. At the time of ebb tide, the beech can reach a width of 5 km. On the average the wetland has a width of 2.7 km with the widest part reaches 4.5 km at Fanyuan area.
(6) The coast of Yunlin has a length of 55 km. In recent years, exploitations, dredging of rivers and reduction of sediments had caused sandbanks to disappear gradually or even completely. The width of tidal land at Taisi is about 2.1 km. The Yunlin coast has the largest area of land subsidence.
(7) The coast of Chiayi has a length of 41 km with considerable windings affected by ocean waves and river sediments, and there are sandbanks and lagoons. The lagoons are shrinking and Haomeiliao wetland is disappearing rapidly due to reclamation of tidal lands. The problem of land subsidence is most serious at two coastal townships.
(8) The coast of Tainan has a length of 77 km with several offshore sandbanks created mostly by sediments from the Tsengwen River. These sandbanks are lining about 2 km offshore. For recent decades, lagoons formed previously have remained rather stable. The reclaimed tidal lands are mostly utilized for fish ponds. There are several wetlands along this coast and the total conservation area is estimated to be 50,370 ha, with the shares of land and sea to be 26.2% and 73.8% respectively.
(9) The coast of Kaohsiung has been developed rapidly for industry with big factories, thermal power plant and shipyards. Fishing resource is abundant around Hsingda port; a fishing resource conservation area and several fishing prohibition areas are established there.
(10) The coast of Pingtung is the most seriously eroded section in Taiwan because of the steep submarine slope. The development of aquaculture since 1974 had induced land subsidence at some parts, particularly at Chiatung and Linbian. In 2005 the depth of land subsidence reached 3.22 m and the area reached 7.4 km2.
As for the human settlements along Taiwan’s west coast, here the population density in terms of persons per square km during 1955-2010 is taken as an indicator for illustrating changes at 10 Counties and Cities along the west coast5.
In Taoyuan County (Figure 1.1), the average density increased from 330 in 1955 to 1,640 in 2010. The four coastal rural townships had almost the same density as the county average by 1965, but from then on the density of coastal townships became much lower except for Luchu where the density became higher after 2005.
In Hsinchu County (Figure 1.2), the average density increased from 278 to 450 during 1955-1980 and then decreased to 257 in 1985 because of the administration rearrangement in 1982 for Hsinchu City. But the average density increased again to 359 in 2010. The two coastal townships, one urban and the other rural, as well as Hsinchu City all had higher density than the county average.
In Miaoli County (Figure 1.3), the average density increased from 212 to 308 in 1955-2010. The density of Chunan urban township was much higher than the county average and showed a growing trend, while the three coastal rural townships had slightly higher density than the county average and maintained rather stable.
In Taichung City (Figure 1.4), a merger of county and city, the average density increased from 351 to 1,196 during 1955-2010. The five coastal districts all had higher density than the city average; but Taan, a rural district, had its density decreased slightly after 1985, and Wuchi and Longjing districts, one urban and the other rural, had growing densities.
In Changhua County (Figure 1.5), the average density increased from 733 in 1955 to 1,225 in 2005 and then decreased slightly to 1,217 in 2010. Of the six coastal townships, only the densities of Lukang and Shenkang, one urban and the other rural, were higher than the county average.
In Yunlin County (Figure 1.6), the average density increased from 460 in 1955 to around 620 in 1970-1980 and then decreased to 556 in 2010. The four coastal townships are all rural with densities lower than the average, except for Taisi where the density was higher during 1965-1985; and Mailiao had its density increased after 2005 apparently due to industrial development which will be discussed later.
In Chiayi County (Figure 1.7), the average density increased form 325 to 445 in 1955-1970 and then decreased to 300 in 1985 and further to 286 in 2010. The two coastal townships, one urban and the other rural, had their densities higher than the county average, but were in decline after 1970.
In Tainan City (Figure 1.8), a merger of county and city, had the average density increased from 443 to 855 during 1955-2010. Of the three coastal urban districts, Annan had a lower density before 1982, Anping had a density increased rapidly after 1990, while that of Nan (South) decreased slightly. But the three coastal rural districts had a lower density and showed a declining trend after 1965.
In Kaohsiung City (Figure 1.9), a merger of county and city, the average density increased from 298 to 941 during 1955-2010. Of the 14 coastal districts, only Yongan rural district had a lower density then the city average after 1965. The three small urban districts, Yencheng (1.42 km2), Chichin (1.46 km2) and Lingya (8.15 km2), had much higher density than the city average; Yencheng had its density declined rapidly after 1972, while Lingya and Chichin declined slightly only after 1990. Tsuoying, Chienchen, Kushan and Nantzu districts had the density lying in the middle while other six districts had the density closer to the city average.
In Pingtung County (Figure 1.10), the average density increased from 199 in 1955 to 329 in 1995 and then decreased slightly to 315 in 2010. The six coastal townships all had the density higher than the county average; and Tungkang urban township had the highest and increasing density, while other rural townships had their densities decreased slightly after 1990-1995.
The population density in Taiwan’s West coast in 2010 was illustrated in Map 2. In the ten sections there were altogether 53 coastal townships (districts), of which 37 have their population density higher than the county (city) average.
With this background of coastal geography and human settlements the discussion below will be focused on reclamation of tidal land, development of aquaculture and industry along Taiwan’s west coast.
Reclamation of Tidal Land
Major rivers in Taiwan run mostly from the central high mountains to the west coast carrying a large amount of sand and mud to the estuaries; and with the function of waves the sediments gradually deposited to become tidal land (known in Chinese as hai-pu-di). This is an area lying between the high water and low tidal mark where the land encounters the sea; it is full of sunshine and nutrition and hence is an important ecosystem for fishery. Moreover, because the water is shallow, it is feasible to build dikes for reclaiming the land.
The historical records of Taiwan revealed that from the eighteenth century, tidal lands were gradually reclaimed for farmlands, fish ponds, and slat fields. For instance, as Taiwan’s west coast has been moving westward, it was estimated that some 40,000 ha of coastal plain in today’s Tainan area were gradually shaped in the past centuries6. A document of Wen-kai shu-yuan, an old-style academy at Lukang revealed that by 1827 the academy owned 50 chia (1 chia = 0.97 ha) of reclaimed tidal land7. A land deed signed in 1862 stated that a piece of tidal land reclaimed two generations ago at the coast of today’s Changhua was rented out for cultivation8. Another land deed was signed in 1884 for renting a piece of tidal land reclaimed along the coast of today’s Taichung9. In 1885, a piece of tidal land was reclaimed by the British merchant, Elles & Company, at Anping Harbor in Tainan10.
In 1937, the Japanese Colonial Government in Taiwan entrusted two companies, Kōgyō Sugar Manufacturing Company and Taiwan Development Company, to reclaim tidal land at Hsinkang in today’s Chiayi County; an area of 738 ha was completed in 1941 with anther 2,264 ha planned to be completed in 8 years but the work was interrupted by the war. In 1940, the two companies were again entrusted to develop tidal land at Lunbei in today’s Yunlin County. Kōgyō Company completed in 1942 a piece of 872 ha which was transferred to Taiwan Sugar Company after the war. Taiwan Development Company handled a larger scale project in 1941 and completed in 1945 a piece of 1,700 ha which was transferred later to Taiwan Land Bank11.
After the World War II, under the pressure of rapidly increasing population, the government policy encouraged reclamation of new lands. In 1947, Tainan County Government developed 900 ha for aquaculture. In 1955, Joint Commission on Rural Reconstruction initiated a program for developing tidal lands and conducted surveys for evaluating the feasibility. In 1956, Taiwan Provincial Government approved the Regulation for Developing Tidal Land which allowed private people to apply for reclamation; but this Regulation was annulled in 1959 due to criticisms and conflict interests. In 1961, Executive Yuan formed a planning committee for tidal land reclamation and the task was entrusted in 1963 to Taiwan Provincial Government. In 1965, the Commission for Land Resource Development in Taiwan Province (hereafter Tutsuhui) was formally established to take up the task until 1976 when the task was attributed to the Water Control Bureau of Taiwan Provincial Government12. In 1983 Executive Yuan issued the Regulation for Managing the Development of Tidal Lands and allowed government agencies, farmers, and private agricultural organizations to apply for the development13. However, this Regulation needed to be revised along with new demands and it was until April 1993 that it was formally legalized to meet non-agricultural purposes14.
The total length of tidal lands in Taiwan’s west coast was estimated to be 282 km and the width 2.5 km on the average. The total area was estimated in 1955-1957 as 66,000 ha, but aerial surveys in 1961 and 1982 obtained 53,870 ha and 54,028 ha respectively. Of the total area of tidal lands, it was estimated that 44,000 ha could be developed for cultivation and aquaculture. A detailed estimation in 1993 showed that reclaimable tidal lands were 30,370 ha, of which 43.3% had already been developed and 20.3% were still in the process of development15.
In 1956, Executive Yuan’s Vocational Assistance Commission for Retired Servicemen (hereafter Fudaohui) initiated to apply to Taiwan Provincial Government for allocating tidal lands in Taiwan’s west coast in order to accommodate retired servicemen to develop the tidal land. In 1957, Taiwan Provincial Government agreed to allocate 15,039 ha, of which 2,200 ha in Hsinchu, 7,340 ha in Changhua, and 5,499 ha in Yunlin. Thus, a research group planned to develop a total area of 1,112 ha in Hsinchu. An experiment area of 89 ha was completed in 1959-1962 and another 225 ha in the north part in 196616.This experiment in Hsinchu encouraged other public investments to follow suit. Table 2 shows the area of developed tidal lands by 1992.
In addition to Fudaohui, these development projects were carried out by Tutsuhui, Water Control Bureau, local governments, Taiwan Sugar Company, and Taiwan Salt Company. By 1992, the developed tidal lands had reached a total of 13,349 ha, of which the share of net production area was 82.3%; and of the 10,981 ha net production area, the share of fish ponds was 39.4% and that of Taichung Harbor 36.2%. In other words, the developed tidal lands were mostly for aquaculture but not yet fully utilized. Moreover, there was a problem of private (illegal) occupation of tidal lands. In 1989, a survey study on faming and fishing households using tidal lands in Changhua and Yunlin Counties found that 64.8% (162/250 households) of the users said that they simply occupied the lands, 26% purchased the land, 4.8% rented the land, 4.0% inherited the land, and 0.4% in cooperation with others17.
During 1995-2005, the Construction and Planning Agency of Ministry of the Interior approved nine projects of tidal land development as shown in Table 3.
Of these nine projects, the case in Miaoli was expired in 2009 as the plan did not proceed in time. The other 8 projects together developed 941 ha of tidal lands, of which 484.2 ha (51.5%) were in Kaohsiung, 439.6 ha (46.7%) in Tamshui and Linkou (Taipei), and the rest 17.2 ha (1.8%) in Hsinchu. In recent decades, tidal lands were reclaimed not only for aquaculture but for industry as will be discussed further in below. Many scholars had expressed their concerns. A geographer pointed out in 1989 that the reclamation of tidal lands would directly destroy the topography, tidal beech, and threaten coastal habitats. After the development is completed, any kind of land utilization will affect indirectly the coastal habitats18. A scholar of land economics suggested in 1990 that the reclaimed land could be used for industry and recreation, but further development projects should be conducted only by government agencies and private development should not be encouraged19. A scholar of marine environment pointed out in 1993 that the development of tidal lands could have the benefits, such as increasing the land area, promoting land utilization and improving the livelihood of residents along the coast, providing inexpensive land for industries, fishing ponds, fishing ports, and salt fields, increasing job opportunities, saving the maintenance expenditures on coastal safety, dikes, roads, and water control works, as well as reducing the lost from flooding for nearby farmlands and inland areas. However, after more than 10,000 ha of tidal lands had already been developed and more than 30,000 ha were still in planning, many problems had already emerged. A few alarming points are: the scales of development were usually too big; the plans were often too rough; the balance between development and conservation has been neglected (for example, an area along the coast of Changhua, Yunlin and Chiayi had been designated for protection, but a plan had also been drawn up to develop nearly 20,000 hectares at this area for economic purposes); the managerial efficiency needed to be improved; and many factors of uncertainty required more studies20.
In 2000, a marine biologist pointed out that the loss of biological habitats was due to over development of wetlands, improper ways of fishing and shallow sea aquaculture, pollution and waste, as well as improperly managed marine recreation activities21. And in 2008, an expert of geotechnical engineering pointed out the problems related to the development of tidal lands: the destruction of ecosystem along the coast and the withdrawal of sea sands and construction of dikes have changed the coastal topography and hydrology and caused erosion of the coast and subsidence of reclaimed lands22.
Development of Aquaculture
A major way of utilizing the tidal land in Taiwan’s west coast is to develop aquaculture. The history of aquaculture in Taiwan can be traced back to the seventeenth century when aquaculture of milkfish (Chanos chanos) was practiced during the Dutch Period (1624-1661) and fish pond tax (wen-shui) was collected in the Cheng Period (1661-1683)23. In 1889, a memoir of Liu Ming-chuan, the first Governor of Taiwan (1885-1891), revealed that fish pond tax was collected throughout the Ch’ing Period in Taiwan (1683-1895)24. According to the statistics by the Japanese Colonial Government in 1898, there were 5,745 chia (approximately 5,573 ha) of aquaculture ponds in Taiwan, of which 95.9% were in the south, 4% in the middle, less than 0.01% in the north, and none in the east. The Japanese Colonial Government attached importance to Taiwan’s aquaculture by conducting experiments and promoting new technologies. For instance, in 1910 fresh water aquaculture was experimented at Hsiaoli in today’s Taoyuan County; and in 1911 brackish water aquaculture was established at Tainan. The Japanese Colonial Government also provided funds to develop seashore aquaculture in 194225.
Figure 2 illustrates the aquaculture area in Taiwan during 1912-1943. The total area of aquaculture fluctuated between 21,431 ha and 28,202 ha during 1912-1939 and then decreased to 17,662 ha in 1942, but surged to 29, 985 ha in 1943. The available data of brackish and fresh water aquaculture during 1931-1943 showed that the area of fresh water ponds was somehow larger than that of blackish water ponds by 1936 when the former had 13,899.6 ha and the latter 11,011.1 ha. But from then on until 1943, the blackish water ponds gained more space and reached 16,527.5 ha compared to 13,457.9 ha of fresh water ponds.
Figures 2. The Area of Aquaculture Area in Taiwan, 1912-1943
Source: The Statistical Summary of Taiwan, 1894-1945 (Taipei, 1947), Table 235.
A turning point of aquaculture in Taiwan took place in the 1960s when new technologies of fry breeding and fish production were developed and laid down the basis for growth. Attracted by high profit, in addition to lowland, salty land and newly reclaimed land along the coast, many lands not suitable for farming were also
turned into ponds for aquaculture in the 1970s and the area increased rapidly26.
Figure 3 illustrates the development of aquaculture in Taiwan in 1955-2009. The total area of aquaculture increased from 39,547.46 ha in 1955 to 76,421.9 ha in 1990 and then decreased gradually to 53,757.2 ha in 2009. During 1955-2009, on the average, the shares of shallow sea aquaculture, blackish water ponds, fresh water ponds and others were 22.6%, 38.4%, 30.5% and 8.6% respectively. The brackish water ponds had the largest share; it increased from 14,177.5 ha in 1955 to 30,625.8 ha in 1992 and then decreased to 20,612.4 ha in 2009. The fresh water ponds ranked next; it increased from 4,938.5 ha in 1955 to 25.381.4 ha in 1995 and then decreased to 19,008.4 ha in 2009. The shallow sea aquaculture increased from 5,703.9 ha in 1955 to more than 17,900 ha in 1985-1990 and than decreased to 11,219.3 ha in 2002 before increased slightly to 12,744.7 ha in 2009. The other patterns included using paddy fields, reservoirs, irrigation ponds and lakes for aquaculture; this item consisted of 14,727.5 ha in 1955 but it gradually declined to 1,391.7 ha in 2009.
Figure 3. The Area of Aquaculture in Taiwan, 1955-2009
Source: Taiwan Fisheries Yearbook and Statistical Yearbook of related counties.
As for the shares of aquaculture area along Taiwan’s west coast in 1955-2009, here the statistics are grouped into 10 sections mostly by county with Hsinchu, Tainan, and Kaohsiung identifying county and city together and illustrated in Figures 4-7.
In the case of shallow sea aquaculture, on the average, 10 sections have 96.7% of the total area. Major sections are Changhua (20.1%), Yunlin (19.8%), Chiayi (28.0%) and Tainan (21.3%). Sections to the north, Taoyuan, Hsinchu, Miaoli and Taichung, have shares of 0%, 2.7%, 0.02% and 2.2%; and to the south, Kaohsiung and Pingtung, 1.6% and 1.1% respectively. Figure 4 shows the changing rates of shallow sea aquaculture at major sections of west coast.
Figure 4. The Share of Shallow Sea Aquaculture at Four Major Sections
In the case of brackish water ponds, on the average, 10 sections had 93% of the total area. Major sections are Changhua (4.7%), Yunlin (13.9%), Chiayi (13.7%), Tainan (43.2%), Kaohsiung (10.1%), and Pingtung (7.1%); while shares of Taoyuan (0.03%), Hsinchu (0.25%), Miaoli (0.08%), and Taichung (0.04%) are very small. Figure 5 illustrates the changing rates of brackish water ponds at major sections.
Figure 5. The Shares of Brackish Water Ponds at Six Major Sections
In the case of fresh water ponds, on the average, 10 sections had 93.4% of the total area. Major sections were Changhua (9.0%), Yunlin (11.6%), Chiayi (14.3%), Tainan (29.4%), Kaohsiung (12.4%), and Pingtung (11.4%), while Taoyuan, Hsinchi, Miaoli, and Taichung had 2.1%, 1.8%, 0.5% and 0.9% respectively. Figure 6 shows the changing rates of fresh water ponds at major sections.
Figure 6. The Shares of Fresh Water Ponds at Six Major Sections
The case of other patterns is illustrated in Figure 7.
Figure 7. The Area of Other Aquaculture Patterns in Taiwan and Taoyuan
In 1955 the area of other aquaculture was mostly located in Taoyuan as it had 4,789 ha (32.5% of the total); but along with the trend of decreasing, the share of Taoyuan increased to more than 90% in 2002-2008 before decreased to 40.4% in 2009. This particularity of Taoyuan can be explained by a large number of irrigation ponds developed since the 1850s at the tableland east of the coast27.
The aquaculture in Taiwan’s west coast consumed a great amount of water mostly supplied by the groundwater. According to a report of the Water Resource Committee of Ministry of Economic Affairs, in 1983-1985, the aquaculture ponds in Taiwan used 24 billion m3 of water with a distribution asfollows: in the north, 1 billion m3 (fresh and brackish water ponds used 0.8 and 0.2 billion m3 respectively); in the middle, 5.3 billion m3 (4 and 1.3 billion m3 respectively); and in the south, 16.6 billion m3 (9.3 and 7.3 billion m3 respectively)28.
Table 4 shows the estimations of groundwater withdrawal, natural recharge, and usages in Taiwan according to a report in 1992.
It reveals that by 1992, the annual amount of groundwater withdrawal in Taiwan was 7,308 million m3, accounted for 183% of yearly natural recharge. The shares of different usages of groundwater were as follows: farming and husbandry 45%, aquaculture 33%, industry 13%, public water supply 7%, and private domestic use 2%. Taking the 10 sections in west coast together, it turned out that annual withdrawal was 6,826 million m3 (93% of the total) as compared to 3,480 million m3 (87% of the total) of natural recharge. In other words, the situation of groundwater over withdrawal was more serious in the west coast, particularly at sections from Changhua to Pingtung where the rates of over withdrawal (187-396%) were higher than the average. Moreover, although groundwater was used not just for aquaculture, the shares of this usage in Changhua (39%) and Pingtung (53%) were higher than the average; and in Chiayi (33%), the same as the average.
Development of Industrial Parks
Since the 1960s, the Taiwan government devoted a great effort to develop industrial parks which were classified into seven categories by the Industrial Development Bureau of Ministry of Economic Affairs as follows29:
1) Industrial Parks designated by the Ministry of Economic Affairs
Industrial Parks (IPs) designated by the Ministry of Economic Affairs were managed by Industrial Development Bureau. There are 59 IPs developed in Taiwan since 1964; of them 44 are located in counties and cities along the west coast and 15 of them are located at coastal townships and districts (see Table 5 and Map 3).
The 44 IPs located at the west coast have a total area of 12,561.82 ha, or 85.96% of the grand total in Taiwan; and the 15 IPs at townships and districts along west coast have 8,390.95 ha, or 66.80% of the subtotal and 57.42% of the grand total. It should also be noted that although not located right at a coastal district, Taichung IP (580 ha) developed in 1973-1987, has a short distance of 15 km to Taichung Harbor; three IPs in Chiayi County, Jiatai (60 ha) developed in 1974-1795, Puzih (21.52 ha) developed in 1979-1981, and Yi-jhu (15.66 ha) developed in 1998, are also quite close to harbors along the coast in a distance of 10-25 km. These four IPs will add 5.4% of the area shared by the western coastal townships.
Of these 15 IPs located at western coastal townships, Changhua Coastal Industrial Park at Lukang is particularly notable. In 1979 this project proposed to reclaim a total area of 3,643 ha from tidal lands, but was suspended due to the global energy crisis in the 1980’s and resumed only in 1990. It was expected to complete development of 2,577 ha by the end of 2010, but the entire project has been extended to 2030. Up to 2010 there are 186 factories in operation and they counted for 58% of the total in plan, far below the average rate (89%) of the grand total. In January 2011, members reviewing the report of environmental impacts of this industrial park pointed out problems related to air pollution and marine water pollution30.
2) Export Processing Zones
Export Processing Zones (EPZs) are managed by the Ministry of Economic Affairs. There are four EPZs developed since 1965 in Taiwan. The Kaohsiung EPZ includes three zones located in Kaohsiung City at Chiencheng (1965-1966), Nantzu (1968-1971), and Linkuang (1991), with a total area of 154 ha. The Taichung EPZ at Tantzu Rural Township was developed in 1969-1971 and expanded in 1983 with a total area of 26 ha. The Chungkang EPZ at Taichung Harbor was developed in 2005 with an area of 177 ha. And the Pingtung EPZ was developed in 2005 with an area of 124 ha which was originally owned by Taiwan Sugar Company. Two of the four EPZs, Kaohsiung and Chungkang, are located right along the west coast and share 68.8% of the total.
(3) Science Parks
Science Parks (SPs) are managed by the National Science Council. There are three SPs in Taiwan, but each has branches at different locations. Hsinchu SP was first developed in Hsinchu (650 ha) in 1980; and from 1999 to 2009, other five branches were developed at Jhunan (Chunan, 159 ha), Longtan (106.9 ha) Tongluo (349.7 ha), Yilan (70.8 ha), and Hsinchu Biomedical SP (at Chupei, 38.1 ha). Of them, Chunan and Chupei branches are located at western coastal townships. The Central Taiwan SP consists of five branches developed at Taichung (412.86 ha) in 2003, Huwei (in Yunlin County, 96.52 ha) in 2004, Houli (in Taichung County, 246.27 ha) in 2006, Erhlin (in Changhua County, 636 ha) in 2008, and Advanced Research Park at Nantou (262 ha) in 2009 respectively. The Southern Taiwan SP has four branches, Tainan (1,043 ha) developed in 1995, Kaohsiung (570 ha) in 2001, Kaohsiung Medicl Device Special Zone (30 ha) in 2001, and Chiayi Machouhou (86.34 ha) in 2010 respectively. Both Central and Southern Taiwan SPs are not located at coastal townships, but the requisition of land for industrial usage had incurred protests and law suits31.
(4) Environmental Science and Technology Parks
Environmental Science and Technology Parks (ESTPs) are managed by the Environmental Protection Administration and local governments. There are four ESTPs developed during 2003-2005; they are Kaohsiung (40 ha), Hualien (22 ha), Tainan (30 ha), and Taoyuan (31 ha). Only the last one is located at Kuanyin Township along the west coast.
(5) High-Tech Industrial Parks
The High-Tech Industrial Parks (HTIPs) are managed by local governments. There are six HTIPs developed since 1995. The first one was developed at Kuanyin Township in Taoyuan with 274.99 ha. The second one, Kangshan Benjhou (208 ha) in Kaohsiung, was developed in 1997 followed by Kaohsiung Software Technology Park (30 h) at the same site in 2000. The other three HTIPs, Taichung Sheng-kang Fong-chou (47.64 ha), Chiayi Dapumei Intelligent (298 ha), and Tainan Liu-ying Technololy (246 ha), are developed in 2006-2010. Only the first one of these newly developed HTIPs is located at coastal township in the west coast.
(6) Biotechnology Parks
Biotechnology Parks (BPs) are managed by the Council of Agriculture and local governments. This category includes three BPs in addition to the above mentioned Hsinchu Biomedical Science Park and Kaoshiung Biomedical Device Special Zone. These three BPs, Taiwan Orchid Plantation (175 ha) in Tainan, Pingtung Agricultural BP (233 ha), and Chiayi Dapumei Herb BP (86.14 ha), were developed during 2003-2006; and the sites are not right along the coast.
The category of others includes special industrial parks and those developed by local governments and private enterprises; they can be divided into three groups. The first group includes Long-chi (341.3 ha) in Tainan, a defense chemical industrial park, was developed in 1976 and managed by the Ministry of Defense, and Datan (226.7 ha), a power plant at coastal Kuanyin Township in Taoyuan, was developed in 1992 and managed by Taiwan Power Company. The second group consists of three industrial parks developed by Miaoli County Government: Kwang-yuan (57 ha), located at coastal township Chunan, was developed in 1990; Longgang (15 ha), located at coastal township Houlong, was approved in 1999; and Chung-ping (32 ha), located at Tongluo Township was proposed in 2009. Of them, only Kwang-yuan was in operation, while Chung-ping had incurred protests from the residents in December 201032. The third group consists of eight industrial parks developed by private enterprises: two located in Tainan, Pao-an (159 ha) and Hsin-shih (46 ha), were developed in 1970 and 1976 respectively; three located in Miaoli, San-yi (75 ha), Chung-hsing South (46 ha), and Chung-hsing North (12 ha), were developed in 1978, 1988, and 1989 respectively; Tai Yuan High-Tech (39.6 ha) at Chupei, a coastal city, was developed in 2000; and Aspire Park (172 ha) at Longtan, was developed in 2004.
Finally, there is a controversial case of Yunlin Offshore Industrial Park. This project was designated by the Ministry of Economic Affairs in 1991 with a total area of 17,203 ha along the coast in Yunlin County with a length of 32 km and width 3-4 km. It was planned to create 11,562 ha from tidal lands at four sections: Mailiao (2,233 ha), Hsinhsing (991 ha), Taisi (1,061 ha), and Sihu (6,232 ha), as well as two industrial harbors at Mailiao and Sihu. In 1993, the Mailiao section was sold to Formosa Petrochemical Corporation (FPCC) for it to reclaim the tidal land and to develop petrochemical industry. It was reported by FPCC that 109.15 million m3 of pebbles and soils were filled in to create 2,255 ha of land, accounted for 0.062% of the total land area in Taiwan. At this industrial park, the No. 6 Naphtha Cracker Complex was in operation since 1993 with 66 factories of 13 companies33.
It was pointed out by a scholar of environmental engineering that the land developed by FPCC used mostly sands withdrawn from the sea; this way of doing was quite different from that of Kansai International Airport in Japan which did not withdraw sea sands in order to avoid changes in marine ecology. However, FPCC obtained approval from the Water Resource Bureau in the name of dredging the estuary of the Chuoshui River34.
In July 2010, two fires occurred within half a month at No. 6 Naphtha Cracker Complex had stirred up protests of Mailiao residents and criticisms from scholars and environmental protection organizations; the result was that FPCC agreed to sign an agreement with Yunlin County Government for compensation, providing free health examinations for residents, and subsidizing forestation35.
The Mialiao Industrial Harbor was also constructed by private investments with a total area of 1,594 ha. It was planned to construct 30 wharfs in 476 ha of the harbor. In 2007 there were 19 wharfs in operation with 3,172 ships in and out the harbor; and in 2009 there were 20 wharfs with 5, 880 ships36.
As for the three other sections, the Ministry of Economic Affairs agreed to transfer the Taisi section to Yunlin County Government in 1995, but the development has not yet started. The Hsinsing section was entrusted in 1998 to RSEA Engineering Corporation for reclaiming 991 ha of the tidal land, of which 283 ha had been completed. As for the Sihu section, it was decided to stop development in 200537.
The development of industrial parks in Taiwan is now facing a problem of over supply of land. As mentioned above in Table 5, the rate of factories in operation was about 89% on the average. In 2002, the Industrial Development Bureau reported that 3,000 ha of vacant land in industrial parks were waiting for sale and most of them are locating at newly developed IPs, such as Changhua Coastal and Yunlin Offshore in the west coast, and Litze in Yilan in the east coast38.
However, a new project for developing the tidal land along the coast at Tacheng Township in Changhua County for the establishment of No. 8 Naphtha Cracker Complex by Kuokuang Petrochemical Technology Company was still in the process of environmental impact assessment. This project was first approved on 3 October 2006 by Executive Yuan’s Council for Economic Planning and Development for its investment at the Taisi section of Yunlin Offshore Industrial Park. In February 2008, after the second-stage environmental impact assessment the Kuokuang Company decided to change the site to Tacheng and the new project was reviewed by the environmental impact assessment committee on June 9, 2009 with a decision that it should enter the second-stage assessment because of its possibility of bringing about great impacts. But the first meeting of the second-stage assessment in April 2010 still did not approve the case39.
Because this project will affect the migratory corridor of Chinese white dolphin (Sousa chinensis) and destroy part of the wetland along the coast, therefore, a movement of obtaining warrants for protecting white dolphin was initiated by seven environmental protections organizations on April 11, 2010. Since then there were protests and debates with a result that the investors agreed to reduce the scale in December 2010 in order to win over the environmental impact assessment in the near future40. As the revised project was submitted for review in early 2011, writers in Changhua County led by poet Wu Cheng went to the County Government on 20 January 2011 to express their opposition. At a press conference held in Taipei on the same day, scholars led by Academician Chen Chien-jen pointed out that Kuokuang petrochemical was designed to be a project of high energy, high water consumption, and high emission of carbon dioxide, a simple reduction of scale was not a good solution; they urged the review committee of environmental impacts to face humbly the appealing of environmental organizations and to think over carefully the sustainability of Taiwan41.
Mitigation Effort and Limitation
As mentioned above, groundwater provides a large amount of water used in aquaculture and industry and the result of over withdrawal had caused serious problems of subsided stratum along the coast of Taiwan, particularly in the southwestern area. An estimation in 1992 revealed that the total subsided area was 1,170 km2,accounted for 11% of the total area of plain in Taiwan42.
In order to reduce the groundwater withdrawal and to prevent further land subsidence, the Executive Yuan approved a program in 1995. The preventing program brought some immediate effects on aquaculture, as it was reported that by assisting the aquaculture to transform from using fresh water to seawater, the amount of groundwater withdrawal was reduced from 24 billion m3 in 1992 to 11.7 billion m3 in 1997. Moreover, the technology of using recycling water was promoted and extended to 807 aquaculture households with an effect of saving 60% of water and reducing annual withdrawal of groundwater in 0.87 billion m3 (( Council of Agriculture, Executive Yuan (ed.), 150-153; Hu Hsing-hua, 101. )).
Table 6 shows the statistics of land subsidence in 1993-2008 at eight locations, of which six are in the west coast.
The total area of land subsidence was 1,616 km2 in 1993-1995; it decreased to 920 km2 in 2000. In 2001-2002, another 620 km2 were added into the program for investigating the situation in inland area, and thus the total area increased to 1,540 km2. From 2003 to 2008, the area gradually decline to 821 km2 as a result of carrying out the program of control.
Apparently, except for in 1993-1995 when there were also subsided area in Taipei (in the north) and Yilan (in the northeast), almost all areas were along the west coast from Changhua to Pingtug; and the subsided areas in 2006-2008 were largely in Changhua and Yunlin. Some reports revealed the seriousness of local situations. In 1999, it is noted that the cumulative depth of land subsidence at the coast of Pingtung had reached 2.9 meters and the encroachment of seawater had caused water salinity of wells located 5 km east of the coast43. Another report in 2009 stated that in Yunlin the rate of land subsidence was 6.4-7.1 cm per year, and the center of subsidence had moved eastward into inland; and in Pingtung, an area of 115 km2 was affected as the seawater had encroached 9 km eastward44.
According to a report of the Water Resource Agency of Ministry of Economic Affairs, the preventing program was carried out in two stages: the first stage from 1995 to 2000 was conducted at Yilan in northeast coast and at Changhua, Chiayi, Tainan, Kaohsiung, and Pingtung in west coast; the second stage from 2001 to 2008 selected Changhua and Yunlin as areas of demonstration and added Taoyuan in the program. The results of the first stage prevention included: (1) The amount of groundwater withdrawal was reduced from 71.4 billion m3 to 57.3 billion m3; (2) The area of land subsidence was reduced from 1,616 km2 to 920 km2; (3) There were 3,283 illegal wells being blocked up; (4) The area of aquaculture was reduced from 52,000 ha to 41,000 ha; (5) The amount of groundwater used by aquaculture was reduced from 24 billion m3 to 11.8 billion m3; and (6) The technique of using recycling water was extended to 413 aquaculture households. Moreover, in December 1998 the Water Resource Agency collaborated with Tainan Hydraulics Laboratory of Cheng Kung University to establish a Service Team to assisted local governments to carry out the related tasks of preventing land subsidence.
The results of second stage included: (1) At a half of the land subsidence area the level of groundwater did not fall anymore and the subsided area was reduced 15%; (2) Annual amount of groundwater withdrawal at the subsided area decreased from 38.1 billion m3 to 34.7 billion m3; (3) The amount of groundwater withdrawn by aquaculture was reduced from 11.8 billion m3 to 10.4 billion m3; (5) Five collective systems of water supply for aquaculture were completed; (6) 2,730 illegal wells were blocked up. In addition, from 2002 on, training courses were provided and groups of volunteers were formed to help in preventing land subsidence. And in 2009, Yunlin and Chiayi were selected for demonstrating the improvement of drainage system45.
In addition to land subsidence, some coastal areas were polluted by the industrial waste brought along by rivers to the estuaries. Investigations by scholars revealed that the collective deaths of oysters and clams occurred as early as 1969 and from then on almost every year along the coast of Changhua, Yunlin and Chiayi. In early 1986 events of collective deaths of oysters, clams, and shrimps occurred one after the other at the coast of Kaohsiung, Tainan, and Yunlin because of the water pollution. Until 1994, similar events occurred at the estuary of Chungkang River in Miaoli. It was only after 1987 that the Water Pollution Control Act was more strictly implemented and this kind of events disappeared gradually46.
The pollution of solid waste was also a problem. For instance, in April 2010 it was reported that the wetland at Chiku, Tainan was polluted by slag with an area of 10 km long and 50 m wide. The environmental protection organization in Tainan urged the authority to investigate. It was found that the slag contained dioxin and heavy metals that were harmful to aquaculture ponds nearby47. Another report on 10 June 2010 said that the coast between Hsinfeng and Chubei in Hsinchu County was covered by solid waste for more than 20 years and the coastline had moved outwards 10-20 meters with a comparison of the 1994 aerial map. The County Environmental Bureau said that they received sometimes reports or petitions, but were still not able to catch the perpetrator successfully48. The preliminary test results revealed that the waste contained heavy metal such as lead and cadmium49.
According to the Ministry of the Interior, artificial coast had reached 43.83% of Taiwan’s coastline in recent years. At a meeting on 22 April 1981, the Executive Yuan decided to protect natural landscape and ecological resource along Taiwan’s coast and asked the Ministry of the Interior to do surveys as soon as possible. On 23 February 1984 Executive Yuan approved a program with seven coastal sections selected for protection, including the estuary of Tamshui River in the north; the coast along Lanyang plain, the coast from Suao to Hualien, and the coast from Hualien to Taitung in the east; the coast of Changhua-Yunlin-Chiay in the west; the northeast coast, and the southern coast along Kenting. On 13 January 1987, the Executive Yuan approved another five selected sections including the north coast, Beimeng in Tainan, Chienshan at Checheng (Pingtung), Chiupeng at Manchou (Pingtung) and Haomeiliao at Budai (Chiayi)50.
These 12 coastal areas selected for protection had a total area of 0.24 million ha. In July 2007, the Executive Yuan approved a comprehensive program for sustainable development of the coast and thus, the Construction and Planning Agency of Ministry of the Interior started to review previous plans and after 16 meetings with scholars, government departments, fishing organizations, and NGOs, a preliminary conclusion was reached that the coastal protection zones would be increased from 12 to 21 with a total area of 1.32 million ha51.
Whether or not this plan can really be carried out depends on perfection of legal and management systems. As pointed out by a scholar of land management in 1989, the plan of coastal land utilization was defined in the Comprehensive Development Plan of Taiwan Area as early as 1979, however, due to a lack of specific methods and the deviation of actual implementation, the Plan was a mere formality. Moreover, the plans of coastal environmental protection drawn in the 1980s also faced the same predicament52. Even so, the Ministry of the Interior proceeded to prepare a draft of the Coastal Law (Hai-an-fa) in 1991 and submitted to the Legislative Yuan for review in 1997, 2000, and 2002, but never went through the procedure of legislation. In May 2008, a new draft was sent to the Legislative Yuan again for review but was still pended. However, the Construction and Planning Agency of the Ministry of Interior had prepared a draft of enforcement rules of the coastal law and held the first public hearing on 23 March 2010. Thereby, the environmental protection organizations urged that the coastal law should be legalized as soon as possible. As the big project such as Kuokuang petrochemical industry is still waiting for approval, the chairman of Changhua County Environmental Protection Union worried that the leeway of administrative discretion might provide a backdoor for the authority and thus to sacrifice coastal protection53.
After all, the choice between economic development and environmental protection is still rather difficult in Taiwan at present, regardless that the principle of priority is clearly stated in the country’s Constitution that when there is a conflict between the two purposes, the environmental protection has the priority.
Chang Chang-yi 張長義
1989 “Analyses and Suggestions on Problems of Land Utilization along the Coast of Taiwan (臺灣沿海地區土地資源利用問題之分析與建議),” Taiwan Historica (臺灣文獻), 40.1 (1989.03), pp. 1-59.
Chang Shih-chiao 張石角
1995 “Sinking Horizon ― Problem of Taiwan’s Groundwater Resource (陷落的地平線―台灣地下水資源問題)”, in Ou-Yang Chiao-hui et al. 歐陽嶠暉等, The Water Century ― Symposium of Conference on Sustainable Development of Water Resource (水世紀―水資源永續發展研討會論文集), (Taipei: China Times, 1995), pp. 341-363.
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2002 “To pay attention to problem of vacant land (正視工業區土地閒置 問題),” in National Policy Foundation Commentary (國政評論), n. 091-057 (2002/11/27), see http://old.npf.org.tw/PUBLICATION/TE/091/TE-C- 091-057.htm.
Chen Ching-chun 陳清春
1993 “A Study on Compensation for Coastal Fishing by the Development of Tidal Lands (海埔新生地開發對沿岸漁業補償救濟辦法之研究)”, Yenkao Paotao (研考報導), n. 25 (1993.10), pp. 43-55.
Cheng Tien-chang 鄭天章
1970 “A Study on the Development of Tidal Land in Taiwan (台 灣海埔地開發之研究)”, M.A. thesis of the Department of Land Economics, National Chengchi University, in Hsiao Cheng 蕭錚 (ed.), Materials of Taiwan’s Land and Agriculture (臺灣土地及農業問題資料), Vol. 28 (Taipei: Chengwen Publishing Co., 1981).
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Chou Si 周璽
1962 Gazetteer of Changhua County (彰化縣志), in Collections of Taiwan Documents (臺灣文獻叢刊), n. 156, (Taipei: Bank of Taiwan, 1962).
Council of Agriculture, Executive Yuan 行政院農業委員會 (ed.)
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1989 A Survey Study on Taiwan’s Coastal Land Utilization and Regulation (台灣 沿海土地利用與管制之調查研究), (Nantou: Taiwan Provincial Government, 1989).
Hsin-Chu Tidal Land Development Commission 新竹海埔地開發小組
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Hsu Min-yang 許民揚
“Irrigation Ponds in Taoyuan County (桃園縣的埤塘),” see Taoyuan County Government, http://www.tycg.gov.tw/site/index.aspx?site_id= 012&site_cotent_sn = 3339.
Hu Hsing-hua 胡興華
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Li Cheng-kao 李振誥and Chen Chung-wei 陳忠偉
“Limited Supply of Underground Treasure – Groundwater and Subsided Stratum (地下寶礦限量供應─地下水與地下陷)”, Science Monthly (科學月刊), 479 (2009/11), see http://scimonth.blogspot.com/2009/12/blog-post_2436.html.
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1999 “The Current Situation of Taiwan’s Marine Area and Sustainable Management (台灣海域的現況及永續經營),” in Sun Pao-nien 孫寶年(ed.), The Disappearing Coast (消失的海岸), (Taipei: Lienching Publishing Company, 1999), pp. 19-28.
Lin Yi-cheng 林意楨
1997 “Be Cautious to Conflict with the Sea―Taiwan’s Physical Planning from the view of developing tidelands (與海爭地不可不慎—-由海埔新生地看台灣的國 土規劃),” PROECO (環耕),1997.09, pp. 7-22, see http://www.water.tku.edu.tw/sub91/volunteer/data/1_0005.asp?q_class=,
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1958 Memoirs of Liu Ming-chuan (劉壯肅公奏議), in Collections of Taiwan Documents (臺灣文獻叢刊) No. 27, (Taipei: Bank of Taiwan, 1958).
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2009 “Water Pollution Control along Rivers in Taiwan during 1986-2006 (近二十年來(1986-2006)臺灣河川污染的防治),” in Huang Fu-shan 黃富三(ed.), Ocean, River and the Transformation of Settlements in Taiwan: A Comparative Perspective (海、河 與臺灣聚落變遷：比較觀點), (Taipei: Institute of Taiwan History, Academia Sinica, 2009), pp. 229-289.
Shao Kwang-tsao 邵廣昭
2000 “Loss of Coastal Land and Biological Habitats (海洋國土與生物 棲息地流失),” in ChinaTimes Foundation 時報文教基金會and Water Resource Bureau of the Ministry of Economic Affairs, Symposium of Protecting Taiwan’s Island, Coast, and Wetland (保護台灣海島、海岸、濕地), (Taipei: China Times Foundation, 2000), pp. 66-84.
Shih Tsai-tien 石再添
1980 “The Evolution of Coastlines and the Development of Tidal Flats in Western Taiwan (臺灣西部海岸線的演變及海埔地的開發),” Geographical Research (國立臺灣師範大學地理學研究報告), No. 6 (1980), pp. 1-33.
Tang Tsan-gun 唐贊袞
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Temporary Taiwan Old Manners and Custom Survey Society 臺灣臨時舊慣調查會(ed.)
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Ting Shu-wan 丁淑婉
2010 “The Development and Utilization of Marginal Land in Taiwan during the Japanese Colonial Period – the Yunlin Area as Example (日治時期臺灣邊際土 地的開發與利用：以雲林地區為例),” M.A. thesis of the Department of History, Tamkang University, 2010.
Vocational Assistance Commission for Retired Servicemen 行政院國軍退除役官兵輔導委員 會(ed.)
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Yin Chang-fu 殷章甫
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Yu Ming-shan 余明山
2008 “New Challenges and Thoughts regarding Tidal Land Reclamation 海埔新生地開發之新挑戰新思維’’, 路東斗生博士紀念研討會—大地工程案例回顧與 新挑戰新思維 (2008 年10 月16 日), http://www.geotech.org.tw.
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Construction and Planning Agency, Ministry of the Interior 內政部營建署,
Department of Geography, National Taiwan Normal University 國立臺灣師範大學地理學系,
EcoLife Taiwan 清淨家園顧厝邊綠色生活網,
Formosa Petrochemical Corporation 台塑石化股份有限公司,
Industrial Development Bureau, Ministry of Economic Affairs 經濟部工業局,
Industrial Development Bureau of the Ministry of Economic Affairs 經濟部工業局, Taiwan Industrial Land Supply and Service Information 台灣工業用地供給與服務資訉網,
Laws &Regulation Database of the Republic of China 全國法規資料庫,
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Local News 小地方新聞網,
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Taiwan Environmental Information Center 環境資訉中心,
Task force for Maritime Affairs, Executive Yuan 行政院海洋事務推動小組,
Water Resource Agency, Ministry of Economic Affairs, Land Subsidence Prevention and Reclamation Data Network, 經濟部水利署地層下陷防治資訊網,
http://www.wra.gov.tw, searched on 2010/11/04.
Wild at Heart Legal Defense Association 臺灣蠻野心足生態協會,
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- Shih Tsai-tien 1980, “The Evolution of Coastlines and the Development of Tidal Flats in Western Taiwan,” Geographical Research, n. 6, 5-14. [↩]
- See Intertidal Zone Designated and Land Use Classification,
gisapsrv01.cpami.gov.tw/cpatidal/topicA/index1_1.html; gisapsrv01.cpami.gov.tw/cpatidal/topicC/index3_1.html; gisapsrv01.cpami.gov.tw/cpatidal/topicC/index3_2.html;
and gisapsrv01.cpami.gov.tw/cpatidal/topicC/index3_3.html. Searched on 2010/12/17. [↩]
- In December 2010, there was a rearrangement of administration units and thus, Taichung County and City were merged as Taichung City, Tainan County and City as Tainan City, and Kaohsiung County and City as Kaohsiung City. The population densities of these three mega-cities are calculated by adding the original county and city together, while districts under their jurisdiction are not affected. [↩]
- Wei Yang-hsien, Development and Utilization of Taiwan’s Tidal Land (Nantou: Taiwan Provincial Government, 1973), 71; Shih Tsai-tien 1980, 19-20; Chiau Wen-yen 1993, “Conflicts with the Sea──a reflection and prospective on the development of tidal land”, Science Monthly, 24(9): 674-686, see http://18.104.22.168/science/content/1993/00090285/0009.htm, searched on 2010/3/23. [↩]
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- Wei Yang-hsien 1973, 71-72. Yin Chang-fu 1990, A Study on the Methods of Development Tidal Lands in Taiwan’s West Coast (Nantou: Taiwan Provincial Government), 18-19. A recent study on tidal land reclamation in Yunlin during the Japanese Colonial Period, see Shu-wan Ting, “The Development and Utilization of Marginal Land in Taiwan during the Japanese Colonial Period – the Yunlin Area as Example”, M.A. thesis of the Department of History, Tamkang University, 2010, 84-110. [↩]
- Wei Yang-hsien 1973, 72-73; Shih Tsai-tien 1980, 19-20; Yin Chang-fu 1990, 19; Chiau Wen-yen 1993. [↩]
- Yin Chang-fu 1990, 101-105. [↩]
- Chiau Wen-yen 1993. This Regulation was revised in March 1996 and again in October 1999. See law.moj.gov.tw/Scripts/Newsdetail.asp?NO=1D0070038, searched on 2011/01/18. [↩]
- Chen Ching-chun, “A Study on Compensation for Coastal Fishing by the Development of Tidal Lands,” Yenkao Paotau, n. 25 (1993.10), 26-28. [↩]
- Hsin-Chu Tidal Land Development Commission, Annual Report on Development and Experimentation of Hsin Chu Tidal Land. (Taipei, December 31, 1962), 133-135; Vocational Assistance Commission for Retired Servicemen (ed.), General Report on Development of Hsin Chu Tidal Land of Taiwan (Taipei, October 1969), 1-3. [↩]
- Yin Chang-fu 1990, 29-30. [↩]
- Chang Chang-yi, “Analyses and Suggestions on Problems of Land Utilization along the Coast of Taiwan”, Taiwan Historica (Taiwan wen-hsien), 40.1 (1989.03), 52. [↩]
- Yin Chang-fu 1990, 95-98. [↩]
- Chiau Wen-yen 1993. [↩]
- Shao Kwang-tsao, “Loss of Coastal Land and Biological Habitats,” in ChinaTimes Foundation, Symposium of Protecting Taiwan’s Island, Coast, and Wetland (Taipei: China Times Foundation, 2000), 66-84. [↩]
- Yu Ming-shan, “New Challenges and Thoughts regarding Tidal Land Reclamation,’’ http://www. geotech.org.tw/, search on 2010/12/13. [↩]
- Chou Chung-hsuan, The Gazetteer of Chu-lo County (Chu-lo hsien-chih) in Collections of Taiwan Documents, n. 141 (Taipei: Bank of Taiwan, 1958), 96-97; Hu Hsing-hua, 2004, The Aquaculture in Taiwan (Taipei: Walker Cultural), 16. [↩]
- Liu Ming-chuan, Memoirs of Liu Ming-chuan (Liu Chuang-shu kung tsou-yi), in Collections of Taiwan Documents, n. 27 (Taipei: Bank of Taiwan, 1958), 321-322. [↩]
- Hu Hsing-hua, 22-25. [↩]
- Council of Agriculture, Executive Yuan (ed.), Monograph of Taiwan’s Fishery in 40 Years (Taipei: Council of Agriculture, Executive Yuan, 1993), 112-130. Hu Hsing-hua, 20-21. [↩]
- Hsu Min-yang, “Irrigation Ponds in Taoyuan County,” see Taoyuan County Government, http://www.tycg.gov.tw/site/index.aspx?site_id=012&site_cotent_sn=3339. Search on 2010/12/30. [↩]
- Hu Hsing-hua, 150-151. [↩]
- Taiwan Industrial Land Supply and Service Information, http://idbpark.moeaidb.gov.tw/, with links to industrial parks. Search on 2010/11/12. [↩]
- See http://www.moeaidb.gov.tw/iphw/changpin/;
e-info.org.tw/taxonomy/term/2764, search on 2010/11/12 and 2011/01/20. [↩]
- For cases of Houli and Erhlin, see China Times, 2010/7/28; 2010/8/1; 2010/8/3; 2010/08/09; 2010/10/16; 2010/11/12; for the case of Nantou, see antictsp.wordpress.com/tag/, searched on 2011/01/06; and the preliminary review for this case was not approved by the Environmental Impact assessment committee on January 10, 2011, see China Times, 2011/01/11. [↩]
- See a report of the protest on December 11, 2010 at http://www.dfun.com.tw/wp-trackback.php?=
32558, searched on 2011/01/05. [↩]
- See http://www.fpcc.com.tw/six/six_2.asp, search on 2011/01/07. [↩]
- Lin Yi-cheng, “Be Cautious to Conflict with the Sea―Taiwan’s Physical Planning from the view of developing tidelands,” PROECO (Huan-keng),1997.09, 7-22, see http://www.water.tku.edu.tw/ sub91/volunteer/data/1_0005.asp?q_class=, search on 2010/3/31. [↩]
- Here, just mention a few reports in China Times on 2010/7/27/, 2010/8/18-21, 2010/10/27-30, 2010/11/05, and 2011/01/05. [↩]
- See http://www.moeaidb.gov.tw/iphw/yloip/index.do?id=05; http://www.fpcc.com.tw/six/six_4.asp; and blog.udn.com/iverson810/3659868, searched on 2010/11/12 and 2011/01/10. [↩]
- See http://www.moeaidb.gov.tw/iphw/yloip/index.do?id=05, searched on 2010/11/12. [↩]
- Chen Chin-long, “To pay attention to problem of vacant land,” in National Policy Foundation Commentary, No. 091-057 (2002/11/27), see http://old.npf.org.tw/PUBLICATION/TE/091/TE-C- 091-057.htm, searched on 2010/11/12. [↩]
- Report on China Times, 2006/10/3 cited by Taiwan Environmental Information Center at e-info.org.tw/node/14884; Chu Shu-chuan’s report on 2009/6/25 at e-info.org.tw/node/44438; and on 2010/04/14 at e-info.org.tw/node/53836; searched on 2010/12/10. [↩]
- See http://www.libertytimes.com.tw/2010/new/apr/11/today-life6.htm; for other related news to this project, here just mention some reports of China Times on 2010/08/08, 2010/09/10-11, 2010/09/25, 2010/10/29, 2010/11/02, 2010/11/14, 2010/12/15, 2010/12/31. [↩]
- See China Times, 2011/01/21/A22. [↩]
- Chang Shih-chiao, “Sinking Horizon – Problem of Taiwan’s Groundwater Resource,” in Ou-Yang Chiao-hui et al., The Water Century – Symposium of Conference on Sustainable Development of Water Resource (Taipei: China Times, 1995), 347-348. [↩]
- Li Yuan-hui, “The Current Situation of Taiwan’s Marine Area and Sustainable Management,” in Sun Pao-nien (ed.), The Disappearing Coast (Hsiao-shih te hai-an), (Taipei: Lienching Publishing Company, 1999), 26. [↩]
- Li Cheng-kao and Chen Chung-wei, “Limited Supply of Underground Treasure – Groundwater and Subsided Stratum” Science Monthly, n. 479 (2009/11), see http://scimonth.blogspot. com/2009/12/ blog-post_2436.html, searched on 2010/11/03. [↩]
- Chin Chi-wen, “The Effects of Carrying out Land Subsidence Preventing Program,” see http://www. wcis.itri.org.tw/Upload/QUARTC/000286/15-6.pdf, search on 2010/11/03. Land Subsidence Prevention and Reclamation Data Network of Water Resource Agency, Ministry of Economic Affairs, http://www.water.tku.edu.tw/sub/91/sub/gov.aspx; and important policies announced at the website of Water Resource Agency, Ministry of Economic Affairs, http://www.wra.gov.tw, searched on 2010/11/04. [↩]
- Ts’ui-jung Liu, “Water Pollution Control along Rivers in Taiwan during 1986-2006,” in Fu-shan Huang (ed.), Ocean, River and the Transformation of Settlements in Taiwan: A Comparative4 Perspective (Taipei: Institute of Taiwan History, Academia Sinica, 2009), 229-289. [↩]
- Chu Li-chuen reported, Chian Times, 2010/04/20/A7; Lo Jung and Chou Hsiao-ting reported, China
Times, 2010/07/17/A12. [↩]
- See http://www.libertytimes.com.tw/2010/new/jun/10/today-north17.htm, searched on 2010/12/17. [↩]
- See EcoLife Taiwan, ecolife.epa.gov.tw/blog/post/1145967, searched on 2010/12/17. [↩]
- Chang Chang-yi 1989, 1-2; Construction and Planning Agency, Ministry of the Interior, www.cpami.gov.tw/ chinese/index.php?option=com_content&view= article&id=10714&Itemid=57, searched on 2010/10/07. [↩]
- See Task force for Maritime Affairs, Executive Yuan, http://www.cmaa.nat.gov.tw; Urban and Rural Development Branch, Construction and Planning Agency, Ministry of the Interior, http://www.tcd/gov.tw/, search on 2010/08/08. [↩]
- Han Chien, A Survey Study on Taiwan’s Coastal Land Utilization and Regulation (Nantou: Taiwan Provincial Government, 1989), 67-68. [↩]
- See, Construction and Planning Agency, Ministry of the Interior, www.cpami.gov.tw/chinese/ index.php?option=com_content&view=article&id=10173&Itemid=53; www.cpami.gov.tw/ chinese/index.php?option=com_content&view=article&id=745&Itemid=76; Wild at Heart Legal Defense Association, zh.wildatheart.org.tw/archives/990308.doc; searched on 2011/01/18. [↩]