气候变化差异性地改变了两种鱼在混合区的分布
Helen E Chmura1, Lucretia E Olson1, Remi Murdoch1
1Wildlife Ecology Program, Rocky Mountain Research Station U.S. Forest Service Missoula Montana USA.
Ecology and evolution
|August 21, 2024
概括
气候变化正在缩小美国和太平洋马丁的适合息地. 它们的潜在范围重叠也在减少,这凸显了在不断变化的环境条件下研究物种相互作用的需要.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 遗传学 遗传学是一种遗传学.
背景情况:
- 由于气候变化,物种范围正在迅速转变,影响社区组成和物种相互作用.
- 杂交,一个关键的物种相互作用,在气候变化影响的背景下被研究不足.
- 了解范围的变化和物种相互作用对于预测生物多样性对气候变化的反应至关重要.
研究的目的:
- 为了建模美国 (Martes americana) 和太平洋 (Martes caurina) 在北方洛基山脉的当前和未来的范围.
- 调查定义它们的接触区的因素,包括气候和物种间相互作用.
- 评估气候变化对息地适宜性和范围重叠对两种鱼物种的影响.
主要方法:
- 利用非侵入性遗传检测来收集物种发生数据.
- 开发了最大的物种分布模型 (SDM).
- 根据未来气候变化场景的预测SDM.
主要成果:
- 预计气候变化将减少美国和太平洋马适合的息地.
- 预计这两种物种在预测适合息地的重叠将减少.
- 太平洋海预测适合的息地扩展到观察到的遗传检测的北方,这表明生物相互作用可能会限制其实现的范围.
结论:
- 气候变化对火星种群构成重大威胁,因为它减少了合适的息地和范围的重叠.
- 生物相互作用,如与美国马丁的竞争或杂交,可能会影响太平洋马丁的实现分布.
- 进一步研究生物和非生物因素的相互作用对于预测气候变化下的火星混合区的未来动态至关重要.
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