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Relationship between land use classification and grass shrimp Palaemonetes spp. population metrics in coastal watersheds

机译：土地利用分类与草虾Palaemonetes spp之间的关系。沿海流域的人口指标

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摘要

Estuaries in the southeastern USA have ex-perienced increased loading of contaminants from non-point source runoff as well as changes in habitat (e.g., loss of wetlands) due to urbanization. These changes may pose significant risks to estuarine fauna, including crustaceans. Several studies have shown relationships between land use classification and levels of stress in estuarine populations. The grass shrimp of the genus Palaemonetes is one of the dominant species found in estuarine tidal creeks, accounting for more than 50 % of all macropelagic fauna. Grass shrimp populations were sampled monthly for 3 years at six estuarine creeks on Kiawah Island, SC. Creek watersheds were estimated using National Aerial Photograph Program color infra-red and low-altitude true color aerial photography com-bined with in situ differentially corrected global posi-tioning system mapping of engineered features. Land classifications delineated included water, marsh, buildings, roads, and lawns. Pairwise comparisons for grass shrimp densities among sites showed significant differences on an annual and seasonal basis. Significant relationships (p＜0.05) between land class variables and grass shrimp density were identified both annually and seasonally. These findings suggest an influence of land use on Palaemonetes spp. populations.
机译：美国东南部的河口过度污染了非点源径流以及城市化导致的栖息地变化（例如湿地丧失）。这些变化可能对包括甲壳类在内的河口动物群构成重大风险。多项研究表明，土地利用分类与河口人口的压力水平之间存在关系。 Palaemonetes属的草虾是在河口潮汐小河中发现的优势物种之一，占所有大型浮游动物的50％以上。在南卡罗来纳州Kiawah岛的六个河口小河上，对草虾种群进行了为期3年的每月采样。使用国家航空摄影计划彩色红外和低空真彩色航空摄影，并结合工程特征的原位差分校正全球定位系统，对溪流域进行估算。划定的土地分类包括水，沼泽，建筑物，道路和草坪。地点之间草虾密度的成对比较显示，年度和季节基础上存在显着差异。每年和每个季节，土地类别变量与草虾密度之间的显着关系（p ＜0.05）被确定。这些发现表明土地利用对Palaemonetes spp的影响。人口。

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  • 来源
    《Environmental Monitoring and Assessment》 |2014年第6期|3445-3453|共9页
  • 作者

    James W. Daugomah; P. B. Key; J. B. West; N. R. Shea; S. McDaniel; P. L. Pennington; M. H. Fulton;

  • 作者单位

    NOAA, National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Environmental Health and Biomolecular Research, 219 Fort Johnson Road, Charleston, SC 29412-9110, USA;

    NOAA, National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Environmental Health and Biomolecular Research, 219 Fort Johnson Road, Charleston, SC 29412-9110, USA;

    JHT Inc., Contractor to NOAA, 13501 Ingenuity Drive, Orlando, FL 32826, USA;

    Lakes Management Department, Kiawah Island Community Association, 20 Kestral Court, Kiawah Island, SC 29455, USA;

    JHT Inc., Contractor to NOAA, 13501 Ingenuity Drive, Orlando, FL 32826, USA;

    NOAA, National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Environmental Health and Biomolecular Research, 219 Fort Johnson Road, Charleston, SC 29412-9110, USA;

    NOAA, National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Environmental Health and Biomolecular Research, 219 Fort Johnson Road, Charleston, SC 29412-9110, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Grass shrimp; Coastal development; Estuary;

    机译：草虾;沿海发展;河口;

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