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首页> 外文期刊>Ecological research >Habitat preferences of an endangered insect species, Cepero's ground-hopper (Tetrix ceperoi)
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Habitat preferences of an endangered insect species, Cepero's ground-hopper (Tetrix ceperoi)

机译：濒危昆虫Cepero的地面漏斗（Tetrix ceperoi）的栖息地偏爱

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摘要

Preventing the global decline in biodiversity is a major task for conservation biologists. Although habitat loss has been identified as a key factor driving extinction processes, our knowledge on the habitat requirements of many endangered species, particularly invertebrates, is still sparse. We present a feasible method to study the microhabitat preferences of insect species. In Central Europe, the endangered Cepero's ground-hopper, Tetrix ceperoi, is believed to have its only remaining natural habitats in dune slacks of the Wadden Sea Islands. Our results suggest that this species performs an active habitat choice of damp, bare patches with high temperatures. While ponds and fens in dune slacks provide large areas of damp bare ground and algal mats, grasslands, degraded dune slacks and the transitional zone between salt marsh and dunes are less suited as habitats. The major threat for T. ceperoi is found in the succession of its pioneer habitats due to the reduced natural dynamics. In industrialized countries, pioneer habitats and species are threatened substantially by coastal protection and floodplain regulation. This is only compensated in part by anthropogenic creation of secondary habitats, such as different kinds of pits or coal heaps. Nevertheless, there is a strong need for restoration of dynamic habitats by floodplain revitalization and dune slack restoration.
机译：防止全球生物多样性下降是保护生物学家的一项主要任务。尽管生境丧失已被认为是导致灭绝过程的关键因素，但我们对许多濒危物种（特别是无脊椎动物）的生境需求的了解仍然很少。我们提出了一种可行的方法来研究昆虫物种的微生境偏好。在中欧，据信濒临灭绝的Cepero的地面漏斗Tetrix ceperoi在瓦登海群岛的沙丘中仅有其剩余的自然栖息地。我们的结果表明，该物种对潮湿，裸露的高温斑块具有活跃的栖息地选择。沙丘松弛处的池塘和and提供了大面积的潮湿裸露地面和藻垫，而草原，退化的沙丘松弛和盐沼与沙丘之间的过渡带则不太适合作为栖息地。由于减少的自然动力，在连续的先驱栖息地中发现了ce。ceperoi的主要威胁。在工业化国家，沿海保护和洪泛区法规严重威胁着先驱者的栖息地和物种。这只能通过人为地创造次生栖息地（例如不同类型的矿坑或煤堆）来部分补偿。然而，强烈需要通过洪泛区复兴和沙丘松弛恢复来恢复动态栖息地。

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