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| 題 名 | Fish Fauna and Abundance of Some Dominant Species in the Estuary of Tanshui, Northwestern Taiwan=臺灣西北部淡水河口域魚相及若干主要魚種之豐度 |
|---|---|
| 作 者 | 李信徹; | 書刊名 | 臺灣水產學會刊 |
| 卷 期 | 19:4 1992.12[民81.12] |
| 頁 次 | 頁263-271 |
| 分類號 | 439.2 |
| 關鍵詞 | 西北部; 淡水河口域; 魚相; 魚種; 臺灣; 豐度; Fish fauna; Species composition; Species abundance; Tanshui river estuary; |
| 語 文 | 英文(English) |
| 中文摘要 | 本文報導臺灣西北部淡水河口64種以不同漁具採自三個地點之魚類。其中有13種係初級棲息種,51種則屬於次級棲息種。河口內緣以刺網捕獲之大型種以海鯰科(66.26%),□科(9.70%)及鯔科(9.51%)為主。小型魚以表層稚魚拖網捕獲者,依序以鯡科(34.71%),鮆科(21.02%)及?科(20.35%)為主。近竹圍之紅樹林區,係以手操網捕獲,雖未刻意定量化,但大致上看來係以彈塗魚為主。最外緣近沙崙處,以定置袋網捕獲之魚類多為幼魚,魚種組成以鯔科(56.02%)及花身雞魚科(21.22%)為主。在此水域之主要魚種為海鯰及花身雞魚,二著之豐度季節性變化之樣式均有一年不如一年之趨勢,可能與環境品質之惡化有關連。 |
| 英文摘要 | A total of 64 species were collected by different fishing gears from three locations in the estuary of Tanshui River on north-western Taiwan, during May 1988 and April 1991. Thirteen gobiid species were primary residents while the remaining 51 species were secondary residents. In the inner part of the estuary. Fishes of larger size including Ariidae (66.26%). Leiognathidae (9.70%) and Mugilidae (9.51%) dominated in the catches of gill net whereas the small-sized juveniles of Clupeidae (34.71%). Engraulidae (21.02%), Carangidae (20.35%) and Teraponidae (197.69%) dominated in the catches of surface larval trawl net. The fish in the mangrove marsh near Chuwei were dominated by Boleophthalmus pectinirostris though not quantified. On the outer margin of estuary near Shalung where the entire catches by setted larval bag net belong to juveniles and postlarvae of Mugilidae (56.02%) and Terapon jarbua (21.22%) The seasonal abundance of Arius sp. And Terapon jarbua indicated similar trend that their population size have declined year after year, resulted probably from the environmental deterioration. |
本系統中英文摘要資訊取自各篇刊載內容。