Studies of the Biological Diversity in the Waters Surrounding Kueishan Island-1

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Project title

Code/計畫編號

93農科-9.1.1-漁-F1(8)

Translated Name/計畫中文名

龜山島週邊海域生物多樣性之研究-1

Project Coordinator/計畫主持人

Jeng Chang

Funding Organization/主管機關

Council of Agriculture,Executive Yuan

Co-Investigator(s)/共同執行人

蔣國平
廖正信
陳天任
陳麗淑
鄭學淵
李明安
陳正平

Department/Unit

Institute of Marine Environment and Ecology

Website

https://www.grb.gov.tw/search/planDetail?id=970552

Year

2004

Start date/計畫起

01-01-2004

Expected Completion/計畫迄

31-12-2004

Co-Investigator(s)

Kuo-Ping Chiang
Cheng-Hsin Liao
Tin-Yam Chan
Sha-Yen Cheng
Ming-An Lee

Bugetid/研究經費

5300千元

ResearchField/研究領域

自然生態保育

龜山島週邊海域位於熱帶與溫帶交接之亞熱帶地區，其東部海域緊鄰太平洋，除有著名之北太平洋西邊界流-黑潮流經而具有大洋生態系外，更有水深可達數千公尺以上的深海生態系，此外在本海域之沿岸地區又有磺溪、雙溪與蘭陽溪等河川水之注入，而具有河口生態系，加上季節時序之變化又有東海陸棚混合水之突入，而帶來東海生態系之海洋生物，近年來更在本海域附近發現有深海熱泉生態系(李，2001)。因此本海域不但擁有多樣化之微棲地生態環境，更孕育了豐富多樣之海洋生物資源，極具建立海洋生態保育區與漁業多元化規劃利用之意義與價值。此外，根據張(2002)之研究指出，龜山島週邊海域是一個海洋生物資源、棲地生態及漁業種類多樣化之海域，為使本海域之海洋生物資源得以永續利用與發展，因此建議在龜山島週邊海域，劃設相關保護區及多元化規劃與利用之管理措施，但目前有關龜山島週邊海域，海洋生物資源之種類、分布生態與棲地環境等之調查與研究，則尚付闕如，因此無法著手進行具體之規劃與管理方案。緣此，本計畫邀集國內相關海洋生物生態方面之學者，針對龜山島週邊海域中之固氮束毛藻與浮游植物、微小動物性少毛纇纖毛蟲、聲波散亂層反射主體浮游動物、大型甲殼類等之海洋生物進行多樣性之調查研究，同時配合聲光遙測、水文觀測及營養鹽與重金屬等海洋環境因子之監測資料，來探究本海域海洋生物多樣性與其分布生態之特性，此外也結合台灣北部海域生物多樣性熱點之監測資料，來建構龜山島週邊海域生物多樣性之資料庫，以期做為本海域生態保育區與漁業多元化規劃利用時之基礎資料。 Kueishan Island is located in the transition region between the temperate zone and the tropics. The island is bounded on the west by the Pacific Ocean. The famous North Pacific western boundary current, Kuroshio, flows passing the island on its eastern side, and forms an oceanic ecosystem. Beneath the Kuroshio lies a deep ocean ecosystem that extends to several thousand meters in depths. On the western side of the island is a neritic ecosystem. It receives fresh water from Hwan Hsi, Shuan Hsi, and Lanyang Hsi, and estuarine ecosystems develop near the river mouths. At certain times of a year, the seasonal intrusions of shelf seawater bring marine organisms of the East China Sea to Kueishan Island region. Recently, the discovery of a hydrothermal vent ecosystem near the island is apparently an exciting addition to the already highly diverse habitats in this region (Lee, 2001). This rich collection of microhabitats and ecological environments creates abundant and diverse marine biological resources, and makes Kueishan Island and its vicinity a valuable region for the establishment of a marine ecological conservation zone as well as for a multipurpose planning project for fishery activities. According to the study of Chang (2002), waters surrounding Kueishan Island is a marine environment with diverse biological resources, ecological habitats, and fishery resources. For the sustainable management and development of this region, he suggests establishing conservation zones and regulations for multipurpose utilization. However, information of species composition, distribution, ecology, and habitat characteristics in the vicinity of Kueishan Island is still sparse. As a result, detailed planning and legislation are faced with great difficulties. Based on these considerations, this study organizes related scientists in marine biology and ecology, and proposes to initiate a coordinate biodiversity study in Kueishan Island waters. Emphasis will be given to nitrogen fixing Teichodesmium and other phytoplankton, planktonic oligotrophic ciliates, zooplankton in the sound scattering layer, and large crustacean animals. At the same time, this study will employ acoustic and imaging remote sensing, hydrographic investigation, and nutrient and heavy metal measurements to study the connections between biodiversity and distribution of marine organisms. Furthermore, information gathered from this study will be combined with those obtained from biodiversity hot spots along the northern coast of Taiwan to construct a complete Kueishan Island biodiversity data base. This data base will serve as a platform of basic knowledge for the design and legislation of marine conservation as well as multipurpose utilization.

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Studies of the Biological Diversity in the Waters Surrounding Kueishan Island-1

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