全球生物入侵的经济影响不和
Ross N Cuthbert1, Jaimie T A Dick1, Phillip J Haubrock2
1Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 5DL, United Kingdom.
The Science of the total environment
|December 29, 2023
概括
生物入侵在全球范围内造成重大经济损害. 虽然昂贵的入侵物种往往反映出非本地物种的总数,但少数的入侵物种却反映出非本地物种的总数.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 保护生物学 保护生物学
背景情况:
- 生物入侵是全球重大环境和社会经济挑战.
- 了解驱动入侵物种影响的因素对于有效管理至关重要.
- 关于入侵物种动态现有的假设进行了辩论.
研究的目的:
- 调查报告经济成本的入侵物种数量是否与不同分类层的非原生物种总数相关.
- 确定在昂贵的入侵物种中占有不成比例的特定分类群.
- 探索非原生物种的丰富性与经济成本的大小之间的关系.
主要方法:
- 对入侵物种的全球数据进行分析,并报告货币成本.
- 侵入性物种丰富度与非本地物种丰富度在类,类和家族之间进行比较.
- 统计分析以确定物种丰富,成本大小和分类学表示之间的关系.
- 排序分析用于比较非本地和昂贵的入侵物种组合.
主要成果:
- 具有经济成本的入侵物种数量通常与非本地物种丰富度一致,跨分类群 (96%的家族).
- 某些类型,包括带动物,线虫,哺乳动物,昆虫和真菌,在昂贵的入侵物种中占有过多的比例.
- 经济成本集中在一些"超昂贵"的种群中,如白,蚊子和动物.
- 在非本地和昂贵的入侵物种组合之间观察到差异.
结论:
- 虽然广泛的预防策略得到支持,但专注于"超高成本"的种群对于有针对性的减轻影响至关重要.
- 识别具有不成比例高数量的昂贵入侵物种和成本大小的分类组有助于管理.
- 有效的管理需要对非原生物种进行一般的制,以及对高影响的入侵者进行具体的干预.
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