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当前位置: 首页 > 文章 > 梯级开发对北盘江中下游鱼类资源的影响 贵州农业科学 2011,39 (10) 134-137
Position: Home > Articles > Effect of Cascade Development on Fish Resources in the Lower-Middle Reaches of Beipan River Guizhou Agricultural Sciences 2011,39 (10) 134-137

梯级开发对北盘江中下游鱼类资源的影响

作  者：
周路;张竹青;林艳红;李正友;杨兴;杨昌齐;李道友;周莉
单  位：
贵州省水产研究所;遵义市水产繁殖场;贵州大学动物科学院
关键词：
北盘江;梯级开发;鱼类资源;贵州
摘  要：
为给水利开发和鱼类资源的保护提供参考依据,2009—2010年对北盘江中下游石板寨以下河段的水生生境和鱼类资源进行了4次调查。结果表明:北盘江中下游生境片断化明显,已不具备产漂流性卵鱼类完成整个繁育过程的生境条件。共采获鱼类45种,其中在流水河段采获鱼类24种,大多数为喜流水生境鱼类;在库区河段采获鱼类21种,喜静水或缓流鱼类12种,喜流水鱼类9种,董箐库区喜流水鱼类种类及比例明显高于光照库区;北盘江中下游新记录鱼类25种,其中11种为喜静水生境鱼类。结合历史资料,北盘江中下游分布鱼类有78种,分属4目15科64属。从渔获物分析来看,流水河段受梯级开发影响相对较小,成为喜急流或流水生境鱼类生活的主要水域,但资源数量未见明显增长;库区水域喜急流或流水生境鱼类仍有少量分布,随着蓄水时间的增长,喜静水生境鱼类在库区鱼类组成的比例将进一步增大,一些急流或流水类型鱼类可能退出库区水域。
译  名：
Effect of Cascade Development on Fish Resources in the Lower-Middle Reaches of Beipan River
作  者：
ZHOU Lu1,ZHANG Zhu-qing1,LIN Yan-hong2,LI Zheng-you1, YANG Xing1,YANG Chang-qi3,4,LI Dao-you1,ZHOU Li1(1.Guizhou Institute of Aquatic Products,Guiyang,Guizhou 550025;2.College of Animal Sciences,Guizhou University,Guiyang,Guizhou 550025;3.Zunyi Breeding Ground of Aquatic Products,Zunyi,Guizhou 563002;4.Qianyuan Beipanjiang Fish Multiplication and Release Station,Qinglong,Guizhou 561405,China)
关键词：
Beipan River;cascade development;fish resources;Guizhou
摘  要：
The hydrophytic habitat and fish resources in the lower-middle reaches of Beipan River was surveyed from 2009 to 2010 to provide the scientific basis for water conservation development and fish resources protection.The results showed that there was obvious habitat fragmentation in the lower-middle reaches of Beipan River,which meant there was no habitat condition for finishing the whole reproduction process of the fish with producing drifting eggs.There were 45 fish species,of which,24 fish species were from running river area and most species belong to running water type,21 fish species were from reservoirs and nine species and 12 species belonged to running water type and still water or slow flow type respectively.The fish species and proportion of the running water type in Dongjing reservoir significantly higher than those in Guangzhao reservoir.25 fish species were newly recorded in the lower-middle reaches of Beipan River and 11 species belong to the still water type.There were 78 fish species belonged to 64 genera,15 families,four orders according to the historical information.The fish resources in the running water area were not affected by cascade development basically and the running water area was the main water area for fish species with swift running water or running water types but the fish resource quantity in the running water area didn't increase significantly.There was few fish species with swift running water or running water types in reservoirs but the proportion of fish resources with still water type in reservoirs would further increase and some fish species with swift running water or running water types would exit from the water area of reservoirs probably.

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