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首页> 外文期刊>Southeastern naturalist >Relationships between carabid beetle communities and forest stand parameters: Taxon congruence or habitat association?
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Relationships between carabid beetle communities and forest stand parameters: Taxon congruence or habitat association?

机译：甲壳纲甲虫群落与林分参数之间的关系：分类群一致还是生境关联？

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We sampled ground beetles (Coleoptera: Family Carabidae) at the Furman Forest in northeast Greenville County, SC, and compared species richness and community attributes with tree stand richness, diversity, and composition. Beetles were collected by pitfall trap 1 night/week for 9 weeks from June to August 2011 in 24 plots (200 m2) varying in tree abundance (11-131 trees/plot), mean tree size (6.5-26.0 cm DBH), species richness (2-13 species/plot), Simpson's diversity (1.6-9.1/plot), and composition. We collected 286 carabids representing 13 genera and 26 species, including a new state record for South Carolina, Cyclotrachelus hypherpiformis. Carabid abundance, species richness, and diversity were unrelated to tree abundance, richness, or diversity. However, carabid abundance and richness were positively correlated with the abundance of Liriodendron tulipifiera (Tulip Poplar), suggesting a preference for mesic habitats. Total carabid abundance and the abundance and dominance of Carabus goryi (the most abundant species) were also positively correlated with mean tree size (DBH), suggesting a preference for older stands. Carabid diversity, abundance, and community structure were associated with habitat type and stand age (as indicated by dominant canopy species and tree size) and not canopy tree species richness or diversity.
机译：我们在南卡罗来纳州格林维尔县东北部的菲尔曼森林取样了甲虫（鞘翅目：Carabidae科），并将树种的丰富度和群落属性与林分的丰富度，多样性和组成进行了比较。从2011年6月至2011年8月，每星期1个晚上/星期连续9个星期收集甲虫，共24块地（200 m2），树种丰富（11-131棵/地），平均树大小（6.5-26.0 cm DBH），种类丰富度（2-13种/图），辛普森的多样性（1.6-9.1 /图）和组成。我们收集了代表13个属和26个物种的286个锁甲，包括南卡罗来纳州的新州纪录，Cyclotrachelus hypherpiformis。腕足动物的丰度，物种丰富度和多样性与树木的丰度，丰富度或多样性无关。然而，甲足类的丰度和丰富度与鹅掌Li（Tulip Poplar）的丰度呈正相关，这表明人们更喜欢内生的生境。总的甲足动物的丰度以及美洲大螯虾（Carabus goryi）（最丰富的物种）的丰度和优势度也与平均树大小（DBH）成正相关，这表明他们更喜欢较老的林分。腕足动物的多样性，丰度和群落结构与栖息地类型和林分年龄有关（如优势树种和树木大小所指示），而与树种的丰富度或多样性无关。

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