大川河鱼类区系及其群落生态结构的研究

生态学杂志 ›› 1991, Vol. ›› Issue (2): 20-21.

大川河鱼类区系及其群落生态结构的研究

周仰璟¹, 吴万荣²

1. 西南农业大学水产系, 重庆 630716;
2. 四川省芦山县水利电力局, 625600

收稿日期:1990-09-29 出版日期:1991-04-10

Studies on Ecological Structure of Fish Fauna in the Dachuan River

Zhou Yangjing¹, Wu Wanrong²

1. Department of Fisheries, Southwest Agricultural University, Chongqing 630716;
2. Lushan County Bureau of Water Conservancy and Electricity, Sichuan Province, 625600

Received:1990-09-29 Online:1991-04-10

摘要/Abstract

关键词: 膜下滴灌, 土壤水分分布, 灌溉频率, 灌水量

Abstract: Ecological structure of fish fauna in the Dachuan river at Lushan county of Sichuan province was studied with the method of ecological overlap coefficient. The studies are from three aspects, i.e., spatia structure, food structure and breeding structure. Both overlap and separation are found in the ecological structure of fish fauna. The ecological pressure resulted from serious overlap in one ecological aspect may be lightened by the ecological separation in other aspects. The result has significant meaning for the theory and practice of fish bleeding.

Key words: mulched drip irrigation, soil water distribution, irrigation frequency, irrigation amount

周仰璟, 吴万荣. 大川河鱼类区系及其群落生态结构的研究[J]. 生态学杂志, 1991, (2): 20-21.

Zhou Yangjing, Wu Wanrong. Studies on Ecological Structure of Fish Fauna in the Dachuan River[J]. cje, 1991, (2): 20-21.

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