生境及气候对北方森林甲虫和蜘蛛群落的影响

IF 1.3 4区 环境科学与生态学 Q3 ECOLOGY
M. Bouchard, C. Hébert
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引用次数: 0

摘要

摘要分离气候和栖息地特征对森林群落的影响有助于更好地了解它们对环境变化的潜在敏感性。在这项研究中,我们对类似森林类型的蜘蛛和甲虫进行了采样,这些森林类型位于加拿大魁北克北部森林地带约4°C的年平均温度空间梯度上。具体而言,我们旨在区分两个与栖息地相关的因素对节肢动物群落的影响,这两个因素可以受到森林管理的影响(林分组成和林分年龄),另一个因素不能(气候)。总体而言,在较年轻的林分中,蜘蛛群落往往更丰富,物种更丰富,而在落叶林中,甲虫群落更丰富,种类更丰富。8种甲虫和6种蜘蛛受气候显著影响,独立于森林类型,而11种甲虫和7种蜘蛛受森林类型和气候显著影响。虽然大多数受气候影响的甲虫物种都与较温暖的地区有关,但也有一些蜘蛛物种在较冷的地区更为丰富。森林管理活动有助于确保在景观层面沿着潜在的传播途径保留关键的森林类型,从而有助于在气候变化背景下保护属于节肢动物等相对隐蔽类群的物种。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Habitat and Climate Influence Beetle and Spider Communities in Boreal Forests
ABSTRACT Separating the influence of climate and habitat characteristics on forest communities could help better understand their potential sensitivity to environmental change. In this study, we sampled spiders and beetles in similar forest types, located along a ca. 4°C mean annual temperature spatial gradient in the boreal forest zone in Quebec, Canada. Specifically, we aimed to separate the effect on arthropod communities of two habitat-related factors that can be influenced by forest management (stand composition and stand age), and another one that cannot (climate). Overall, spider assemblages tended to be more abundant and species-rich in younger forest stands, while beetle assemblages were more abundant and species-rich in deciduous forest stands. Eight beetle and six spider species were significantly influenced by climate, independently from forest type, whereas 11 beetle and seven spider species were significantly influenced by both forest type and climate. While most of the beetle species affected by climate were associated with warmer locations, several spider species were more abundant in colder locations. By helping to ensure the retention of key forest types along potential dispersal pathways at the landscape level, forest management activities could help the conservation of species belonging to relatively cryptic taxa such as arthropods in a climate change context.
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来源期刊
Ecoscience
Ecoscience 环境科学-生态学
CiteScore
2.80
自引率
0.00%
发文量
13
审稿时长
>36 weeks
期刊介绍: Écoscience, is a multidisciplinary journal that covers all aspects of ecology. The journal welcomes submissions in English or French and publishes original work focusing on patterns and processes at various temporal and spatial scales across different levels of biological organization. Articles include original research, brief communications and reviews.
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