Positive association between emerald ash borer residence time and accumulation of invasive plants
Positive association between emerald ash borer residence time and accumulation of invasive plants
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翡翠螟停留时间与入侵植物积累之间呈正相关
DOI：
10.1002/ecs2.4719
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发表时间：
2023
期刊：
影响因子：
2.7
通讯作者：
Fei, Songlin
中科院分区：
文献类型：
--
作者：
Gougherty, Andrew V.;Elliott, Jessica M.;LaRue, Elizabeth A.;Gallion, Joey;Fei, Songlin
入侵性森林害虫会影响林冠的组成和物理结构，这可能有助于非本地植物的入侵。然而，目前尚不清楚这一过程是否可以在广泛的空间尺度上推广到入侵植物物种，以及其他景观特征如何同时促进非本地植物入侵。在这里，我们收集了超过3000个重复测量的森林地块的数据集，并量化了翡翠灰螟（EAB，Agrilus planipennis）的停留时间，土地覆盖和森林结构对入侵植物的积累和覆盖的影响。我们发现，在县较长的EAB住宅区的地块往往积累更多的入侵植物比地块较短的EAB住宅。平均而言，近一半的地块与灰（白蜡属）。在EAB县积累了额外的0.48入侵植物物种在5至6年的重新采样间隔相比，在采样时没有EAB县的土地与灰。入侵物种覆盖率的增加也很明显，在EAB县，虽然停留时间没有很强的影响，而森林间隙分数和垂直复杂性分别与增加覆盖率呈负相关。这项工作对于理解入侵性森林害虫如何促进非本土植物的传播具有重要意义。
Invasive forest pests can affect the composition and physical structure of forest canopies that may facilitate invasion by non‐native plants. However, it remains unclear whether this process is generalizable across invasive plant species at broad spatial scales, and how other landscape characteristics may simultaneously facilitate non‐native plant invasion. Here, we assembled a dataset of over 3000 repeatedly measured forest plots and quantified the impact of emerald ash borer (EAB,Agrilus planipennis) residence time, land cover, and forest structure on the accumulation and coverage of invasive plants. We show plots in counties with longer EAB residences tended to accumulate more invasive plants than plots with shorter EAB residences. On average, nearly half of the plots with ash (Fraxinusspp.) in counties with EAB accumulated an additional 0.48 invasive plant species over the 5‐ to 6‐year resample interval compared to plots with ash in counties without EAB at the time of sampling. Increases in invasive species coverage were also evident in counties with EAB—although residence time did not have a strong effect, while forest gap fraction and vertical complexity were each negatively associated with increased coverage. This work has implications for understanding how invasive forest pests can facilitate the spread of non‐native plants.
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影响因子：
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作者：
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DOI：
--
发表时间：
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期刊：
影响因子：
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作者：
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