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Seasonal correlations between Pueraria montana var. lobata and avian species diversity and relative abundance in Hamilton County, Tennessee

机译：葛根野葛之间的季节相关性。田纳西州汉密尔顿县的叶和鸟类物种多样性及相对丰度

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摘要

Invasive species exist outside of their native ranges and can cause environmental harm where they have been introduced. One such species is kudzu (Pueraria montana var. lobata), an invasive vine in the southeastern U.S. Although kudzu is one of the most common invasive species management concerns in the Southeast, there is little quantitative data documenting its effects on native species. This study examines the seasonal correlations between kudzu and avian species diversity and relative abundance in Hamilton County, Tennessee. By measuring the characteristics of the overstory, midstory, and understory vegetation at sites with differing levels of kudzu coverage, I examined correlations between kudzu density and avian demographics. Kudzu coverage had a significant negative impact on avian diversity and species richness, as well as on native vegetation. Kudzu’s alteration of vegetation structure, through the creation of a monoculture and subsequent reduction of structural diversity, was likely the cause of reduced avian diversity and richness due to a decrease in the availability of structurally oriented guilds.
机译：入侵物种存在于其本地范围之外，并可能在引入它们的地方造成环境损害。一种这样的物种是葛根（Pueraria montana var。lobata），这是美国东南部的一种入侵性葡萄树。尽管葛根是东南部最常见的入侵物种管理问题之一，但几乎没有定量数据证明其对本土物种的影响。这项研究调查了田纳西州汉密尔顿县野葛和鸟类物种多样性与相对丰度之间的季节相关性。通过测量不同葛树覆盖率地区的上层，中层和下层植被的特征，我研究了葛根密度与鸟类人口统计之间的相关性。葛根的覆盖范围对鸟类的多样性和物种丰富度以及本地植被具有重大的负面影响。通过建立单一养殖以及随后减少结构多样性，库兹（Kudzu）改变了植被结构，这可能是由于结构导向行会的可用性下降而导致禽类多样性和丰富度下降的原因。

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    Hudson Amelia;

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  • 年度 2013
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  • 正文语种 English
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