捷克共和国的艾草:入侵史、当前分布和未来传播的预测。

IF 4.4 2区 生物学 Q1 PLANT SCIENCES
Preslia Pub Date : 2017-02-01 DOI:10.23855/PRESLIA.2017.001
H. Skálová, Gu WenYong, J. Wild, P. Pyšek
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引用次数: 23

摘要

本文分析了豚草(Ambrosia artemisiifolia)的入侵动态,这是欧洲最有害的入侵物种之一,对人类健康有很大影响。我们调查了栖息地和影响其当前分布的因素,并指定了捷克共和国受该物种进一步传播威胁的地区。该分析基于截至2016年记录的164个网格单元的281条记录,其中37个港口归化种群和127个临时种群。大多数记录(49%)来自铁路走廊,其次是人类住区(11%),最近来自路边的记录有所增加。条件推理树揭示了影响物种分布的因素,其中工业、商业和交通单位的比例面积的影响是最重要的、高度显著的变量,进一步被与人类相关的分散和气候相关的因素(如铁路网络密度和温度)微调。预测模型表明,许多合适的网格单元没有被占用。这些网格细胞中的许多都在当前占用的细胞附近,但也有一些细胞离当前人口相当远。因此,艾草极有可能在捷克共和国进一步传播。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ambrosia artemisiifolia in the Czech Republic: history of invasion, current distribution and prediction of future spread.
We analyse the dynamics of invasion of Ambrosia artemisiifolia (common ragweed), one of the most noxious invasive species in Europe with a great impact on human health. We investigate the habitats and factors that shape its current distribution and specify areas in the Czech Republic endangered by the further spread of this species. The analysis is based on a total of 281 records in 164 grid cells, recorded up to 2016, of which 37 harbour naturalized populations and 127 casual populations. The majority of records (49%) was from railway corridors, followed by human settlements (11%), and there was a recent increase in records from roadsides. A conditional inference tree revealed factors shaping the species distribution with the effect of the proportional area of industrial, commercial and transport units as the most important, highly significant variable, further fine-tuned by factors related to human-related dispersal and climate, such as density of railway network and temperature, respectively. The prediction model indicated that many suitable grid cells are unoccupied. Many of these grid cells are in the proximity of currently occupied ones but there are also some cells rather far from current populations. Further spread of A. artemisiifolia in the Czech Republic is thus highly probable.
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来源期刊
Preslia
Preslia 生物-植物科学
CiteScore
5.20
自引率
29.40%
发文量
8
审稿时长
>12 weeks
期刊介绍: Preslia is a peer-reviewed scientific journal publishing original research papers on plant systematics, morphology, phytogeography, ecology and vegetation science, with a geographical focus on central Europe. The journal was founded in 1914 and named in honour of brothers Jan Svatopluk Presl (1791–1849) and Karel Bořivoj Presl (1794–1852), outstanding Bohemian botanists. It is published quarterly by the Czech Botanical Society.
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