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Assemblages of carabid beetles (Coleoptera, Carabidae) in humid forest habitats of different stages of succession in the Puszcza Knyszyńska Forest (northeastern Poland)

机译:PuszczaKnyszyńska森林(东北波兰)不同演替阶段的湿润森林生境中的甲壳虫(鞘翅目,腕足科)的组合

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摘要

During a period of three years (2006–2008) the carabid fauna in wet and humid forest habitats of different stages of succession was studied at the Puszcza Knyszynska (north-east part of Poland). The aim of this study was to determine how the assemblages of the carabid fauna change in relation to the ongoing process of succession. Using pitfall traps, 24 plots were sampled. The plots were located in stands of different age, from two year old plantations to more than 100 year old forests. Additionally, the stands were ordered in three moisture classes (wet, humid and very humid) and two classes of soil richness. As indicators for change in the carabid fauna in relation to age of the stands Mean Individual Biomass (MIB), species diversity and share of forest species were used. By applying multivariate statistics the relation of the different habitat characteristics to changes in the carabid fauna was examined. During the study 8903 individuals belonging to 57 species were collected. Pterostichus niger represented 28% of the total catches and therefore the most common species. Another common species, Pterostichus melanarius, contributed to 13% of the total catch. This species was caught at every plot, even in the old forests. In contrast to the results obtained by Szyszko (1990) for fresh and dry pine stands, in this study the relation of MIB with the age of forest was not significant. Although the number of species was rather constant, the number of individuals belonging to the group of forest species significantly increased with the ageing of the forest. The multivariate analysis showed a relationship with ageing of the stands and soil richness rather than with moisture and size of the forest. According to the present paper, clear cuttings in wet and humid habitats do not cause a strong degradation of the carabid fauna.
机译:在三年(2006-2008)期间,在Puszcza Knyszynska(波兰东北部)研究了不同演替阶段的湿润和湿润森林生境中的钩爪动物区系。这项研究的目的是确定与连续演替过程相关的腕类动物群落的变化。使用陷阱陷阱,对24个样地进行了采样。这些地块位于不同年龄的林分中,从两年的人工林到一百多年的森林。此外,还按三种湿度等级(湿,湿和非常湿)和两种土壤丰富度订购了林分。作为与林分年龄有关的腕类动物变化的指标,使用了平均个体生物量(MIB),物种多样性和森林物种份额。通过应用多元统计,研究了不同生境特征与腕带动物群变化之间的关系。在研究过程中,收集了8903个属于57种物种的个体。黑檀木(Pterostichus niger)占总产量的28%,因此是最常见的品种。另一个常见的物种,Pterostichus melanarius,占总产量的13%。甚至在古老的森林中,每个地方都捕获到该物种。与Szyszko(1990)获得的新鲜和干松林分的结果相反,在本研究中,MIB与森林年龄之间的关系并不显着。尽管物种的数量相当恒定,但是随着森林的老化,属于森林物种组的个体数量显着增加。多元分析表明,林分的老化与林分的老化和土壤的丰富度有关,而与森林的水分和大小无关。根据本文件,在潮湿的生境中清除插条不会引起腕类动物的强烈退化。

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  • 作者

    Kwiatkowski, Adam;

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  • 年度 2011
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  • 原文格式 PDF
  • 正文语种 {"code":"en","name":"English","id":9}
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