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Updated: Jul 2, 2025

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累积利基市场方法:评估生态利基市场模型预测表现的框架
Eduardo Arlé1,2, Tiffany Marie Knight1,3,4, Marina Jiménez-Muñoz5
1German Centre for Integrative Biodiversity Research (iDiv), Halle-Jena-Leipzig Leipzig Germany.
Ecology and evolution
|February 22, 2024
概括
这项研究引入了一个新的框架来评估物种是否在它们的本地和外来范围中达到环境平衡. 这有助于确定生态利基模型 (ENM) 预测物种分布的可靠性.
科学领域:
- 生态生态学 生态生态学
- 生物地理学是生物地理学.
- 保护生物学 保护生物学
背景情况:
- 生态利基模型 (ENM) 对于预测新环境中的物种分布至关重要.
- ENM假定物种-环境平衡,这可能不适用于活跃扩张的物种.
- 评估这种平衡对于可靠的分布预测至关重要.
研究的目的:
- 提出一种新的框架来评估物种在本地和外来范围内的环境平衡.
- 在入侵过程中量化利基扩张.
- 在新的环境条件下估计ENM预测的准确性.
主要方法:
- 开发了基于使用累积物种发生情况的利基范围估计的"CNA框架".
- 利基范围内的一个异位点表示对实现的利基的详尽知识.
- 将框架应用于26种哺乳动物,两动物和鸟类物种.
主要成果:
- 该框架根据本地和外来范围的数据充足性对结果进行分类.
- 确定了具有足够数据的场景,用于利基扩张计算和可靠的ENM预测.
- 具有有限数据的突出案例,影响了利基扩张评估,但不一定影响预测信心.
结论:
- 该CNA框架可靠地检测物种的环境平衡.
- 它量化了入侵期间实现的利基变化.
- 它估计了ENM对新环境条件的预测的准确性.
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