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頁籤選單縮合
題 名 | Distribution of Ichthyoplankton in the Waters off Southwestern Taiwan=臺灣西南海域浮游魚類的分布概要 |
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作 者 | 丘臺生; 陳志炘; | 書刊名 | Proceedings of the National Science Council : Part B, Life Science |
卷 期 | 21:2 1997.04[民86.04] |
頁 次 | 頁79-89 |
分類號 | 439.2、439.2 |
關鍵詞 | 臺灣西南海域; 浮游魚類; Density; Species composition; Depth variation; |
語 文 | 英文(English) |
中文摘要 | 本報告所使用之資料係自1989年三月至1996年一月,在臺灣西南水域進行200公尺 浮游魚類採樣所得。 在此區域採樣之底深由小於 50 公尺至大於 800 公尺不等。浮游魚類 之密度範圍為 118 (大於 800 公尺底深者)至 466 (小於 50 公尺底深者)尾 1000 m。 此期間共獲得 29,833 尾浮游魚類,並經鑑定為 118 科,至少 452 種;其中最主要的五種 為:日本鯷( Engraulis japonica, 24.50 %),七星魚( Benthosema pterotum, 17.38 %),異葉公鯷( Encrasicholina heteroloba, 3.85 %),( gobiid,未鑑定至物種, 3.79 %), 銅鏡�銵] Decapterus maruadsi, 3.30 %)及肥帶魚( Trichiurus lepturus, 2.28 %)。 由排序相關法分析結果可知:離岸較遠的深水群集間之相似程度高 ,且具顯著性;但小於 50 公尺之群集則不與其他較深水域之群集相關。以高屏溪口之浮游 魚類來分析此區之季節變異,結果顯示:秋冬兩群集之相似程度較高,而其他季節各具獨特 性。 |
英文摘要 | Ichthyoplankton was collected during the period of March 1989 to January 1996 from surface water (≦ 200 m depth) off southwestern Taiwan, in various bottom depth stations (a total of 125 stations), ranging from less than 50 m to greater than 800 m. The ichthyoplankton density ranged from 118 (> 800 m depth) to 446 (< 50 m depth) ind. 1000 m. In total, 29,833 specimens from 118 families and at least 452 species were collected. The most common taxa were Engraulis japonica (24.50 % of the total), Benthosema pterotum (17.38 % ), Encrasicholina heteroloba (3.85 % ), gobiids (3.79 % ), Decapterus maruadsi (3.30 % ), and Trichiurus lepturus (2.28 % ). Similarity among the off shore assemblages was established by rank correlation, but no correlation was found between the shallow assemblage (<50 m) and the other assemblages of deeper depths. Using the abundance data of 35 dominant species found in 25 samples from the plume of the Kao-ping River to evaluate seasonal variation, we discovered similarity between the autumn and winter assemblages but not between the other seasons. |
本系統中英文摘要資訊取自各篇刊載內容。