...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Marine ecology >Quantifying Spatial Patterns of Intertidal Biodiversity: Is Movement Important?
【24h】

Quantifying Spatial Patterns of Intertidal Biodiversity: Is Movement Important?

机译：量化潮间带生物多样性的空间格局：运动重要吗？

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Small-scale patterns of low-, mid- and high-shore intertidal species density, richness and abundance were systematically examined to assess the potential influence of 'mobility' on spatial community dynamics and diversity. Mobile taxa outnumbered sessile species by approximately 2:1, whereas sessile individuals were over 12 times as numerous as mobile ones over the entire study site. Patterns of density, richness and abundance differed with shore level and substratum. The results also highlighted the importance of clearly distinguishing between species density and species richness when examining spatially quantitative data. The rank order of habitats from highest to lowest species density was not the same when analysed in order of species richness. The potential for the mobile proportion of assemblages to influence small-scale diversity assessment through movement was greater at mid- and high-shore zones because the ratio of mobile species was higher and abundance (relative to the lower shore) was low. These observations might reflect the relative influence of the land-sea gradient of immersion on diversity and mobility in intertidal communities. The influence of mobile organisms on marine ecosystem function may be significant because small-scale patterns of movement are known to positively influence biodiversity. High richness paired with low abundance, however, may result in underestimating the functional role of mobile intertidal species.
机译：系统地检查了低，中，高岸潮间带物种密度，丰富度和丰度的小规模模式，以评估“流动性”对空间群落动态和多样性的潜在影响。在整个研究地点中，可动类群的数量比可动物种大约2：1，而可动物种的数量是可动物种的12倍以上。密度，丰富度和丰度的模式随海岸平面和底层的不同而不同。结果还强调了在检查空间定量数据时清楚地区分物种密度和物种丰富度的重要性。从物种丰富度的角度分析，从最高物种密度到最低物种密度的栖息地等级顺序是不同的。由于中部和高岸地区的活动物种比例较高且丰度（相对于低岸地区）较低，因此活动种群的比例通过移动影响小规模多样性评估的潜力更大。这些观察结果可能反映了浸没的陆海梯度对潮间带群落多样性和流动性的相对影响。流动生物对海洋生态系统功能的影响可能是巨大的，因为众所周知，小规模的移动方式会对生物多样性产生积极影响。然而，高丰度与低丰度相结合，可能导致低估了潮间带流动物种的功能作用。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号