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首页> 外文期刊>The Herpetological journal >Farewell to the bottle trap? An evaluation of aquatic funnel traps for great crested newt surveys (Triturus cristatus)
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Farewell to the bottle trap? An evaluation of aquatic funnel traps for great crested newt surveys (Triturus cristatus)

机译：告别瓶盖陷阱？评估水产漏斗陷阱对大c的调查（Triturus cristatus）

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摘要

Aquatic funnel traps are an established technique for the capture of newts. In the United Kingdom they are widely used for commercial surveys of great crested newts (Triturus cristatus) to comply with EU regulations during land developments such as construction activities. The present study demonstrates that widely-used traps constructed from plastic bottles could become replaced by more efficient funnels such as collapsible nylon traps. To achieve this, we followed standard UK survey protocols to systematically compare bottle traps with nylon traps at six ponds with known T. cristatus occurrences in western France. Out of 296 T. cristatus records, nylon traps yielded 79.7% of all captures and 83.3% of all recaptures. Standardized population size class estimates based on capture numbers were equal to or higher using nylon traps than with bottle traps, and nylon traps outperformed bottle traps for more precise population size estimates based on capture-mark-recapture. We suggest that bottle traps could be replaced by nylon traps during standard surveys for aquatic newts in the UK and elsewhere.
机译：水生漏斗陷阱是捕获of的一项成熟技术。在英国，它们被广泛用于大冠new（Triturus cristatus）的商业调查，以在建筑活动等土地开发中遵守欧盟法规。本研究表明，由塑料瓶制成的广泛使用的疏水阀可能会被更高效的漏斗（例如可折叠的尼龙疏水阀）取代。为了实现这一目标，我们遵循英国的标准调查规程，系统地比较了六个在法国西部有已知T. cristatus发生地点的池塘中的瓶式收集器和尼龙收集器。在296条T.cristatus记录中，尼龙诱捕器占所有捕获量的79.7％，占所有捕获物的83.3％。使用尼龙陷阱时，基于捕获数量的标准化种群规模分类估计值等于或高于瓶式陷阱，尼龙捕获器的性能优于瓶式陷阱，基于捕获标记捕获的更精确的种群规模估计。我们建议在英国和其他地区的水生new标准调查中，可用尼龙陷阱代替瓶陷阱。

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