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Rapid Succession of Orthopteran Assemblages Driven by Patch Size and Connectivity
Rangeland Ecology & Management ( IF 2.4 ) Pub Date : 2020-08-18 , DOI: 10.1016/j.rama.2020.07.004
Zoltán Kenyeres

Bearing in mind the current dramatic decline in biodiversity, in addition to preserving remaining natural habitat patches, performing successful habitat restorations and land-use is increasingly essential. In this study, the effect of patch size and connectivity on the early succession of orthopteran assemblages was examined in reconstructed Central European sand habitats. The first comprehensive study on this topic demonstrated that the diversity of the assemblages in mid-successional stages (4th and 5th years of research) reached the value which characterised the control areas. Grazing can preserve habitats in this successional stage. Based on the results of the study in sand habitats belonging to low-productivity dry grasslands, to maintain heterogeneous habitat structures, traditional moderate grazing is recommended. Grazing by sheep is the most beneficial for maintaining the presence of open surfaces, closed patches, and fallen foliage cover in optimal proportions for orthopterans. It was also revealed, that during habitat restorations of sand grasslands, patch size and connectivity affect the species richness of habitat specialist orthopteran species strongly.



中文翻译:

补丁大小和连接性驱动的直翅目组件快速演替

考虑到当前生物多样性的急剧下降,除了保留剩余的自然栖息地斑块外,成功进行栖息地恢复和土地利用也变得越来越重要。在这项研究中,在重建的中欧沙生境中研究了斑块大小和连通性对直翅目昆虫组合的早期演替的影响。对该主题的首次全面研究表明,成功中期(4和5阶段)的组合多样性多年的研究)达到了控制区域的特征。在这个演替阶段,放牧可以保护栖息地。根据研究结果,在属于低产干旱草原的沙生境中,为了维持异质生境结构,建议采用传统的适度放牧。绵羊放牧对保持直翅目昆虫的最佳比例最有利于保持开阔的表面,闭合的斑块和落叶覆盖物的存在。研究还表明,在沙地草地栖息地恢复过程中,斑块的大小和连通性会严重影响栖息地专长直翅目物种的物种丰富性。

更新日期:2020-08-18
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