National Taiwan Ocean University Institutional Repository:Item 987654321/44964
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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44964

Title: An Experimental Study of the Response of the Gorgonian Coral Subergorgia suberosa to Polluted Seawater from a Former Coastal Mining Site in Taiwan
Authors: Isani Chan;Li-Chun Tseng;Samba Kâ;Ching-Fong Chang;Jiang-Shiou Hwang
Contributors: 國立臺灣海洋大學:海洋生物研究所
Date: 2013-01
Issue Date: 2017-12-15T03:47:18Z
Publisher: Zoological Studies
Abstract: Abstract:The response of the gorgonian coral Subergorgia suberosa to heavy metal-contaminated seawater in the Yin-Yang Sea of Liang-Dong Bay, a former mining site in northeastern Taiwan, was investigated. Subergorgia suberosa bioaccumulation and tissue injury were recorded and examined throughout the study period. Heavy-metal concentrations in tissues of the corals showed a significantly increasing trend with incubation time. Cu, Zn, and Cd each showed characteristic bioaccumulation in this soft coral. Metallic Zn accumulated, but rapidly dissipated. In contrast, Cu easily accumulated, but was slow to dissipate, and Cd was only slowly absorbed and dissipated. Our results indicate that significant bioaccumulation of heavy metals occurred in S. suberosa coral. Histopathological and scanning electron microscopic results identified polyp necrosis, mucus secretion, tissue expansion, and increased mortality in S. suberosa corals exposed to water polluted with heavy metals.
Relation: 51(1), pp.27-37
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44964
Appears in Collections:[Institute of Marine Biology] Periodical Articles

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