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长江天鹅洲故道浮游生物调查及鱼产力的估算张征，翟良安，李谷，赵小春，吴利桥（中国水产科学研究院长江水产研究所，荆沙市４３４０００）由于近十多年工农业迅猛发展，大量废物排放到江河中，环境污染日趋严重，造成江河中鱼类原种优良性状逐步下降。为保护长江原种资...
Survey of plankton and estimation of fish productivity in the old lane of the Tian’zhou Island in the Yangtze River ZHANG Zheng, ZHAI Liang-an, LI Gu, ZHAO Xiao-chun, WU Li-qiao (Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Jingsha 434000) Due to the rapid development of industry and agriculture in recent ten years, A large amount of wastes are discharged into the rivers, and the environmental pollution is becoming more and more serious, causing the fine traits of the fish species in the rivers to gradually decline. For the protection of the original capital of the Yangtze River ...