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水產研究(1993年創刊)

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  • 點閱: 1332
  • 日期: 2019-07-16
水產研究(1993年創刊)-臺灣周邊海域帶魚屬仔稚魚之豐度與水文環境分布研究
主題: 臺灣周邊海域帶魚屬仔稚魚之豐度與水文環境分布研究
摘要(中):

本研究於2007、2008及2009年間按季於臺灣周邊海域62個測站進行採集,11個航次共採得帶魚屬 (Trichiurus) 仔稚魚229尾,春季航次採得仔稚魚133尾,樣本數為各季節中最高的,仔稚魚主要分布於臺灣海峽與臺灣北部海域,西南海域及東部海域近岸處也有少量的分布;冬季,仔稚魚主要分布於臺灣北部及東北部海域,海峽及西南海域亦有少量的分布;夏、秋兩季仔稚魚則無明顯的分布趨勢。相關分析顯示,春、夏時期仔稚魚多分布於較低水溫處,與湧升冷水有關,而冬、春、夏時期仔稚魚豐度亦與浮游動、植物等餌料來源有正相關。本研究顯示帶魚屬仔稚魚豐度具有明顯的季節變化與年間差異,且春季為其生殖高峰,可能係由於不同水系在臺灣海峽交會混合,浮游動、植物等餌料受水團影響而存在明顯的季節變化,致使帶魚為仔稚魚索餌提供有利的條件而產生適應季節變化的產卵行為,因此冷暖水團勢力消長及季節變化所造成的水文環境變化可能是影響周邊海域帶魚屬仔稚魚分布特徵的原因。

出版日期: 2017/12/31
標題title(英): The Distribution and Abundance of Larval Cutlassfish (Genus: Trichiurus) in the Surrounding Waters of Taiwan
作者: 潘佳怡‧陳郁凱‧蘇博堃‧王友慈
卷別: 25
期別: 2
頁碼: 1-11
作者 auther(英): Chia-I Pan, Yu-Kai Chen, Bo-Kun Su and Yu-Tzu Wang
摘要abstract(英): In order to understand the temporal and spatial distribution of larval cutlassfish (genus: Trichiurus) in the surrounding waters of Taiwan, 11 quarterly cruises were conducted in the 62 sampling stations in those waters from 2007 to 2009. A total of 229 samples of larval cutlassfish (Trichiurus) were collected by using an ORI net. Trichiurus larvae were most abundant in spring (133 samples). In spring, higher levels of abundance were mainly found in the Taiwan Strait and northern waters off Taiwan, and lower levels of abundance were found in the southwestern waters and eastern coastal waters. In winter, the larvae were mainly collected in the northern and northeastern waters of Taiwan, with smaller levels of abundance in the Taiwan Strait and southwestern waters. No obvious distribution patterns were found in summer and autumn. Correlation analyses indicated a greater distribution of larvae in waters with lower temperature in spring and summer, which was related to the upwelling of cold water. However, the abundance of larvae was positively correlated with zooplankton and phytoplankton in winter, spring, and summer, which was related to the feeding. In conclusion, the abundance of Trichiurus larvae varied seasonally and annually, and the spawning peak was in spring. The distribution pattern of Trichiurus larvae was possibly influenced by the seasonality of oceanic environments caused by the fluctuation of cold and warm water masses in the waters around Taiwan.
使用語言: 中文
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