首页> 外文期刊>Bulletin of the British Arachnological Society >The Efficiency of Timed Hand-collecting Combined with a Habitat Classification versus Pitfall Trapping for Studies of Sand-dune Spider Faunas
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The Efficiency of Timed Hand-collecting Combined with a Habitat Classification versus Pitfall Trapping for Studies of Sand-dune Spider Faunas

机译:沙丘蜘蛛动物区系的定时人工采集与栖息地分类与陷阱陷阱相结合的效率

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摘要

Techniques for sampling the spider fauna of sand-dune systems are more limited than in other terrestrial systems. Vacuum sampling with a D-vac or similar device is only effective in closed vegetation and is unsuitable in areas with much bare sand. Themost popular method is the use of pitfall traps, but they also only operate successfully in vegetated areas. Where there is wind-blown mobile sand the traps may become blocked unless situated inside marram tussocks. Such limitations mean that these methods cannot sample the full range of habitat variation on coastal dunes.
机译:与其他陆地系统相比,对沙丘系统蜘蛛动物进行采样的技术受到更多的限制。使用D-vac或类似设备进行的真空采样仅在封闭的植被中有效,不适用于裸露较多的区域。最受欢迎的方法是使用陷阱陷阱,但陷阱陷阱也只能在有植被的地区成功运行。如果有风吹动的沙子,陷阱可能会被阻塞,除非位于马拉姆草丛中。这样的局限性意味着这些方法无法对沿海沙丘的生境变化进行全面采样。

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