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Correspondence between aquatic ecoregions and the distribution of fish communities of eastern Oklahoma.

机译：奥克拉荷马州东部水生生态区与鱼类群落分布之间的对应关系。

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I assessed fish community data collected by the Oklahoma Conservation Commission from 97 minimally impaired wadeable reference streams in eastern Oklahoma to determine whether existing aquatic ecoregions provide the best framework for spatial classification for the development of biological assessment methods and biocriteria. I used indirect ordination and classification to identify areas that support similar fish communities. A general correspondence was observed between fish assemblages and most ecoregions, although at least two ecoregions need to be split into subregions to adequately partition variance in key measures of biological integrity. Results from canonical correspondence analysis indicated that substrate size and habitat type were the primary physical habitat variables that influenced the fish species composition and community structure.

机译：我评估了俄克拉何马州保护委员会从俄克拉荷马州东部的97个最小受损的涉水参考河中收集的鱼类群落数据，以确定现有的水生生态区是否为开发生物评估方法和生物标准的空间分类提供了最佳框架。我使用间接排序和分类来确定支持类似鱼类群落的区域。尽管至少需要将两个生态区域划分为次区域，才能在生物完整性的关键指标中充分划分差异，但在鱼类种群和大多数生态区域之间观察到了总体对应关系。规范对应分析的结果表明，基质大小和生境类型是影响鱼类物种组成和群落结构的主要物理生境变量。

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作者
Howell, Charles E., Jr.;
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作者单位

University of North Texas.;

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授予单位 University of North Texas.;
学科 Biology Biostatistics.;Biology Limnology.;Agriculture Fisheries and Aquaculture.;Environmental Sciences.;Biology Ecology.
学位 M.S.
年度 2001
页码 57 p.
总页数 57
原文格式 PDF
正文语种 eng
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Correspondence between aquatic ecoregions and the distribution of fish communities of eastern Oklahoma.

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