A trophic model of fringing coral reefs in Nanwan Bay, southern Taiwan suggests overfishing

Pi Jen Liu, Kwang Tsao Shao, Rong Quen Jan, Tung Yung Fan, Saou Lien Wong, Jiang Shiou Hwang, Jen Ping Chen, Chung Chi Chen, Hsing Juh Lin

研究成果: 雜誌貢獻文章

27 引文 斯高帕斯(Scopus)

摘要

Several coral reefs of Nanwan Bay, Taiwan have recently undergone shifts to macroalgal or sea anemone dominance. Thus, a mass-balance trophic model was constructed to analyze the structure and functioning of the food web. The fringing reef model was comprised of 18 compartments, with the highest trophic level of 3.45 for piscivorous fish. Comparative analyses with other reef models demonstrated that Nanwan Bay was similar to reefs with high fishery catches. While coral biomass was not lower, fish biomass was lower than those of reefs with high catches. Consequently, the sums of consumption and respiratory flows and total system throughput were also decreased. The Nanwan Bay model potentially suggests an overfished status in which the mean trophic level of the catch, matter cycling, and trophic transfer efficiency are extremely reduced.

原文英語
頁(從 - 到)106-117
頁數12
期刊Marine Environmental Research
68
發行號3
DOIs
出版狀態已發佈 - 2009 九月 1

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science
  • Pollution

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    Liu, P. J., Shao, K. T., Jan, R. Q., Fan, T. Y., Wong, S. L., Hwang, J. S., Chen, J. P., Chen, C. C., & Lin, H. J. (2009). A trophic model of fringing coral reefs in Nanwan Bay, southern Taiwan suggests overfishing. Marine Environmental Research, 68(3), 106-117. https://doi.org/10.1016/j.marenvres.2009.04.009