• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Marine biology >Intertidal invasion patterns in Canadian ports
【24h】

Intertidal invasion patterns in Canadian ports

机译：加拿大港口潮间带入侵模式

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

The establishment of non-indigenous species (NIS) in natural ecosystems is a growing concern for preserving biodiversity at global, national, and regional scales. Due to commercial shipping activities, international ports serve as critical entry points for NIS and a source for secondary dispersal. Sixteen international ports in Canada representing both the Pacific and Atlantic coasts were surveyed to characterize intertidal NIS distributions. Intertidal species diversity of both NIS and native species were significantly different between the Pacific and Atlantic coasts, with higher NIS and native species diversity on the Pacific coast. However, our newly developed Invasive Species Index (a measure of the degree of invasion based on NIS and native species relative abundance) suggested that the Atlantic coast was comparatively more impacted by invasion. No direct link was found between commercial shipping activities (number of ship visits or total tonnage) and the distribution patterns of intertidal NIS in these ports. Instead, NIS distributions in port ecosystems were strongly related to latitude, salinity, sediment type, and human population size. In addition to commercial shipping, future research in conservation and management of invaded communities should consider environmental conditions and the risk posed by local anthropogenic activities (i.e. cumulative vector effects) when characterizing invasion dynamics.
机译：在全球，国家和区域范围内保护生物多样性，在自然生态系统中建立非土著物种（NIS）的问题日益引起人们的关注。由于商业运输活动，国际港口是NIS的关键切入点和二次扩散的来源。对加拿大的16个代表太平洋和大西洋沿岸的国际港口进行了调查，以表征潮间NIS分布。太平洋和大西洋沿岸的NIS和原生物种的潮间物种多样性均存在显着差异，太平洋沿岸的NIS和原生物种多样性更高。但是，我们新近开发的入侵物种指数（一种基于NIS和本地物种相对丰度的入侵程度度量）表明，大西洋沿岸受入侵的影响相对较大。在这些港口的商业航运活动（造船次数或总吨位）与潮间NIS的分布方式之间没有直接联系。相反，港口生态系统中的NIS分布与纬度，盐度，沉积物类型和人口规模密切相关。除商业运输外，在对入侵动态进行特征描述时，有关入侵社区的保护和管理的未来研究还应考虑环境条件和当地人为活动（即累积媒介效应）带来的风险。

著录项

  • 来源
    《Marine biology》 |2016年第9期|183.1-183.12|共12页
  • 作者

    Choi Francis M. P.; Murray Cathryn Clarke; Therriault Thomas W.; Pakhomov Evgeny A.;

  • 作者单位

    Univ British Columbia, Dept Earth Ocean & Atmospher Sci, 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada|Northeastern Univ, Ctr Marine Sci, 430 Nahant Rd, Nahant, MA 01908 USA;

    Univ British Columbia, Dept Earth Ocean & Atmospher Sci, 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada|North Pacific Marine Sci Org PICES, POB 6000, Sidney, BC V8L 4B2, Canada;

    Fisheries & Oceans Canada, Pacific Biol Stn, 3190 Hammond Bay Rd, Nanaimo, BC V9T 6N7, Canada;

    Univ British Columbia, Dept Earth Ocean & Atmospher Sci, 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada|Univ British Columbia, Inst Oceans & Fisheries, 2202 Main Mall, Vancouver, BC V6T 1Z4, Canada;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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