中欧用于确定爱沙尼亚历史公园入侵木本植物物种的Weber-Gut风险评估方法的适用性

Q4 Agricultural and Biological Sciences
N. Nutt, A. Kubjas
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引用次数: 2

摘要

本研究的主要目的是评估Weber & Gut为中欧开发的风险评估方法的适用性,以确定该地区历史公园树形植物中的入侵物种。为了做到这一点,我们选择了一个旧公园数量较多的地区(爱沙尼亚),然后研究了以下特征:1)入侵物种的分布;2)入侵物种的生存能力。研究结果表明,Weber & Gut开发的中欧风险评估不适合确定爱沙尼亚历史公园的入侵乔灌木物种。该研究观察了18个物种(被列为高风险类别),其中只有一半具有入侵行为的固有特征(产生可繁殖的后代,通常数量很大,与亲本植物距离相当远,因此有可能蔓延到相当大的地区)。即使在面积较小的区域内(45339 km2),入侵物种发生的区域差异也很大。在使用Weber-Gut风险评估系统时,大多数入侵物种未发现独立的大规模繁殖。研究结果表明,对入侵物种的危险性评价不能只采用一种方法,而应根据其栖息地和物种的特点进行评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Suitability of the Weber-Gut risk assessment methodology used in Central Europe for determining invasive woody plant species in Estonian historical parks
The main objective of this research was to assess the suitability of the risk assessment methodology developed by Weber & Gut for Central Europe in order to determine the invasive species in the dendroflora of this region's historical parks. In order to do so a region was chosen where the number of old parks is high (Estonia) and then the following characteristics were studied: 1) the distribution of invasive species; 2) the viability of invasive species. Research results showed that the risk assessment for Central Europe developed by Weber & Gut is not suitable for determining invasive tree and shrub species in the historical parks of Estonia. The research viewed 18 species (classified as a high-risk category) and only half of them had characteristics inherent to invasive behaviour (produces reproductive offspring, often in very large numbers, at a considerable distance from parent plants, and thus has the potential to spread over a considerable area). Even in a small territory (45,339 km2), the regional differences in the occurrence of invasive species were substantial. No independent mass reproduction of most of the invasive species was detected during the use of the Weber-Gut risk assessment system. This research showed that the dangers of invasive species cannot be assessed based on one methodology, but each species should be assessed according to their habitat and specifics of the species.
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来源期刊
Forestry Studies
Forestry Studies Agricultural and Biological Sciences-Forestry
CiteScore
0.70
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