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首页> 外文期刊>Southeastern naturalist >Litter-dwelling Ground Beetles (Coleoptera: Carabidae) and Ground Spiders (Araneae: Gnaphosidae) of the Ozark Highlands, USA
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Litter-dwelling Ground Beetles (Coleoptera: Carabidae) and Ground Spiders (Araneae: Gnaphosidae) of the Ozark Highlands, USA

机译：垃圾休闲植物（鞘翅目）（鞘翅目源）和地面蜘蛛（Araneae：Gnaphosidae）的Ozark Highlands，USA

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摘要

Each year, temperate deciduous forests produce a layer of litter comprised primarily of leaves. Two common and diverse taxa found in the litter layer are ground beetles (Coleoptera: Carabidae) and ground spiders (Araneae: Gnaphosidae). We collected and identified these groups on a monthly basis from April 2014 to March 2015 at 4 sites in Northwest Arkansas to determine their abundance and diversity across the following 3 variables: season, litter depth, and site location. A total of 480 litter samples and 208 pitfall-trap samples were collected and processed. These samples resulted in 645 carabids representing 47 species and 421 gnaphosids representing 15 species. Statistical analyses detected significant differences in species richness, average number of individuals, and species diversity of gnaphosids among sites. In contrast, leaf-litter depth had no significant effect on the number of individuals collected, species richness (except at one site), or species diversity of carabids and gnaphosids. Both carabids and gnaphosids were most abundant and diverse during the spring.
机译：每年的温带落叶林产生一层主要由叶子构成的垃圾。在垃圾层中发现的两个常见和不同的分类群是碎甲虫（鞘翅目：carabidae）和地面蜘蛛（Araneae：Gnaphosidae）。我们在2014年4月至2015年3月在西北阿肯色州的4个地点收集并确定了这些群体，以确定他们在以下3个变量中的丰富和多样性：季节，垃圾深度和现场位置。收集并加工共480个垃圾样品和208个缺陷阱样品。这些样品导致645种Carabids，代表47种和421种表示15种的丙戒。统计学分析检测到位点之间的物种丰富性，平均性质数和物种多样性的显着差异。相比之下，叶凋落物深度对收集的个体的数量没有显着影响，物种丰富性（除了一个位点除外），或甘蓝和丙糖苷的物种多样性。春天，CARABID和丙氨酸均在春季最丰富而多样化。

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