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題 名 | Spatial and Temporal Variations of Fish Community in the Mangrove Swamps Along the Western Coast of Taiwan=臺灣西海岸紅樹林區魚類群聚時空之變化 |
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作 者 | 郭世榮; 邵廣昭; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 25:3 1998.09[民87.09] |
頁 次 | 頁171-187 |
分類號 | 439.22 |
關鍵詞 | 紅樹林; 臺灣西海岸; 魚類群聚結構; 豐度; 空間及時間的分佈; Mangrove; Western coast of Taiwan; Fish community structure; Abundance; Spatial and temporal distributions; |
語 文 | 英文(English) |
英文摘要 | 本文報導作者等於1996年2月至1997年2月間,每2個月在臺灣西海岸紅樹林區, 利用袋網方式進行魚類標本之採集。共採獲 32 科 90 種之魚類,其中以大鱗�飽B前鱗�飽B 尾紋雙邊魚、雜交吳郭魚為優勢魚種,佔所有魚獲的 64.4%。在魚類群聚時空變化方面,所 得歧異度 (H') 及均勻度 (J') 指數值偏低,顯示可能受到少數優勢魚種聚集的影響而造成 輕微不規律的季節性變化。在地區及季節所得種類豐度 (SR) 指數值均有變化,至於在聚類 及空間排序的結果,顯示在空間上有明顥的地域差異;在時間上北部地區比較有明顯的季節 性變化,南部地區則無。 ') and evenness (Pielou index) of the fish community were low and showed little seasonal change because a few species dominated the assemblage on an irregulated basis. The overall species richness varied according to the stations and the sampling periods. Results of clustering and ordination analysis indicated that spatial factor contributed to difference in the fish community structure, temporal variation have substantial shifts in the fish composition during the sampling periods at northern part. Meanwhile, the species composition of fishes were on apparent no revealed seasonal variation at southern part. |
本系統中英文摘要資訊取自各篇刊載內容。