汀江大刺鳅国家级水产种质资源保护区鱼类群落结构及其影响因子

发布时间：2019-01-07 19:09

【摘要】：根据2012年6月-2013年10月对汀江大刺鳅国家级水产种质资源保护区4个采样江段的鱼类资源季节调查数据,分析了该保护区的鱼类群落结构及影响因子。调查共采集鱼类38种,隶属4目、12科30属;其中福建省保护动物大刺鳅(Mastacembelus armatus)1种,福建省特有种拟腹吸鳅(Pseudogastromyzon fasciatus)、圆斑拟腹吸鳅(Pseudogastromyzon cheni)、斑纹缨口鳅(Crossostoma stigmata)3种。采用Pinkas的IRI指数进行分析,保护区鱼类优势种有宽鳍渞(Zacco platypus)、黄颡鱼(Pelteobagrus fulvidraco)、鲇(Parasilurus asotus)、侧条厚唇鱼(Acrossoch eilus parallens)、泥鳅(Misgurnus anguillicaudatus)和大刺鳅等6种;鱼类生态类型以杂食性、底栖和山溪定居性为主。保护区上游鱼类多样性指数和物种丰富度指数高于下游。用pearson相关分析法,鱼类多样性指数与浮游动物多样性指数、河道变化、人类活动影响相关性显著。典范对应分析发现3个环境指标主要影响平鳍鳅科鱼类。
[Abstract]:Based on the seasonal survey data of fish resources in 4 sections of the National Aquatic Germplasm Resources Reserve of Loach Dachillicaudatus from June 2012 to October 2013, the fish community structure and its influencing factors were analyzed. A total of 38 species of fishes, belonging to 4 orders, 30 genera and 12 families, were collected, including 1 species of (Mastacembelus armatus), a protected animal in Fujian Province, and 3 species of (Crossostoma stigmata), a endemic species of (Pseudogastromyzon fasciatus), (Pseudogastromyzon cheni),. The IRI index of Pinkas showed that the dominant species in the protected area were six species of (Acrossoch eilus parallens), Misgurnus anguillicaudatus, (Acrossoch eilus parallens), Misgurnus anguillicaudatus, (Parasilurus asotus), and (Pelteobagrus fulvidraco), catfish, (Pelteobagrus fulvidraco), catfish (Pelteobagrus fulvidraco), catfish). Fish ecological types are omnivorous, benthic and mountain stream settlement. The fish diversity index and species richness index in the upper reaches of the reserve were higher than those in the lower reaches. Using pearson correlation analysis, fish diversity index was significantly correlated with zooplankton diversity index, river course change and human activity. Canonical correspondence analysis found that three environmental indicators mainly affected the fishes of the family Loach.
【作者单位】：福建省淡水水产研究所;
【基金】：福建省科技厅公益类专项(2011R1002-2) 福建省海洋与渔业厅重点项目[(2007)02-2]
【分类号】：S932.4

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