Michael R. Kendrick, Matt J. Walker, Elizabeth U. Scott, Jeanette H. Huber, Meagan B. Roy, Bronwyn W. Williams, Gregory K. Rothman, Peter R. Kingsley-Smith, Tanya L. Darden
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引用次数: 0
摘要
非本地物种可通过自然和人为机制在水生生态系统中迅速传播，但这两种机制在决定物种传播方面的相对重要性并不总是很明确。红沼泽螯虾（Procambarus clarkii）已被引入多个大洲，包括美国的水体，在美国，自然和人为的传播都有可能导致其目前的分布。本研究综合比较了 P. clarkii 和几种高度优先保护的螯虾物种的历史和当代分布情况、区域实地取样以及北卡罗来纳州和南卡罗来纳州皮迪河流域的微卫星遗传方法，以了解 P. clarkii 的扩散模式及其对本地螯虾的潜在影响。实地取样和微卫星分析表明，P. clarkii种群广泛分布于整个研究区域，具有特定流域的种群遗传结构模式。在克氏原螯虾迅速扩散的同时，本土螯虾种群也在灭绝，这些本土螯虾包括瓦卡莫螯虾（Procambarus braswelli）、卡罗莱纳沙丘螯虾（Procambarus pearsei）和沿海平原螯虾（Procambarus ancylus）。P.clarkii的快速传播和本地螯虾的同时灭绝，要求进行更广泛的监管，以帮助防止通过水产养殖、投放鱼饵、宠物交易和环境教育行业有意或意外地释放非本地螯虾。
Characterising dispersal and potential impacts of non-native red swamp crayfish (Procambarus clarkii) populations in the coastal plain region of the pee Dee River basin, U.S.A.
期刊介绍：
Freshwater Biology publishes papers on all aspects of the ecology of inland waters, including rivers and lakes, ground waters, flood plains and other freshwater wetlands. We include studies of micro-organisms, algae, macrophytes, invertebrates, fish and other vertebrates, as well as those concerning whole systems and related physical and chemical aspects of the environment, provided that they have clear biological relevance.
Studies may focus at any level in the ecological hierarchy from physiological ecology and animal behaviour, through population dynamics and evolutionary genetics, to community interactions, biogeography and ecosystem functioning. They may also be at any scale: from microhabitat to landscape, and continental to global. Preference is given to research, whether meta-analytical, experimental, theoretical or descriptive, highlighting causal (ecological) mechanisms from which clearly stated hypotheses are derived. Manuscripts with an experimental or conceptual flavour are particularly welcome, as are those or which integrate laboratory and field work, and studies from less well researched areas of the world. Priority is given to submissions that are likely to interest a wide range of readers.
We encourage submission of papers well grounded in ecological theory that deal with issues related to the conservation and management of inland waters. Papers interpreting fundamental research in a way that makes clear its applied, strategic or socio-economic relevance are also welcome.
Review articles (FRESHWATER BIOLOGY REVIEWS) and discussion papers (OPINION) are also invited: these enable authors to publish high-quality material outside the constraints of standard research papers.
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