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- Environmental Factors Associated with the Occurrence and Abundance of Larval Porgies, Acanthopagrus Latus and Acanthopagrus Schlegeli, in the Coastal Waters of Western Taiwan
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題 名 | Environmental Factors Associated with the Occurrence and Abundance of Larval Porgies, Acanthopagrus Latus and Acanthopagrus Schlegeli, in the Coastal Waters of Western Taiwan=在臺灣西部沿岸地區黑鯛及黃鰭鯛仔魚族群與環境因子間之關係 |
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作 者 | 黃文彬; 丘臺生; | 書刊名 | Acta Zoologica Taiwanica |
卷 期 | 8:1 1997.01[民86.01] |
頁 次 | 頁19-32 |
分類號 | 388.5 |
關鍵詞 | 鯛科; 溫度; 大氣壓力; 風速; 豐度; 體長; Sparidae; Temperature; Atmospheric pressure; Wind speed; Abundance; Body length; |
語 文 | 英文(English) |
中文摘要 | 在臺灣的西部沿岸水域,溫度、氣壓及風速是與黑鯛、黃鰭鯛仔魚族群出現(occurrence)相關的主要環境因子。總雲量、降雨量及流速在這兩種鯛科仔魚族群出現時明顯不同,也就是說,這三個環境因子是這兩種共域生活的(sympatric)鯛科仔魚族群之出現,產生時間隔離(temporal segregation)的主要環境暗示(environmental cues)。氣溫及氣壓亦與黑鯛及黃鰭鯛仔魚族群的豐度(abundance)有關。氣壓亦顯著影響黑鯛及黃鰭鯛仔魚族群中平均體長的大小。 |
英文摘要 | In the coastal waters of western Taiwan, temperature, atmospheric pressure and wind speed were the main environmental variables associated with the occurrence of larval yel-lowfinned black porgy, Acanthopagrus latus, and black porgy, A. schlegeli. However larvae of A. latus and A. schlegeli differed significantly in their response to cloud cover, precipita-tion and current velocity. The latter environmental variables may be important causal fac-tors for the temporal segregation of the larvae of these two sympatric species. Air tempera-ture and atmospheric pressure were also correlated with the abundance of the larval por-gies. Atmospheric pressure was positively correlated with the standard length of larval A. latus and A. schlegeli. |
本系統中英文摘要資訊取自各篇刊載內容。