主体使用的温度依赖的变化驱动了蝶的快速范围扩张
Rachel M Pateman1, Jane K Hill, David B Roy
1Department of Biology, University of York, York, UK. rmp502@york.ac.uk
概括
气候变化影响物种相互作用,使蝶能够扩大其范围. 较高的温度使得Aricia agestis蝶能够使用新的宿主植物,促进了向北的快速扩张.
科学领域:
- 生态生态学 生态生态学
- 气候变化生物学 气候变化生物学
- 保护生物学 保护生物学
背景情况:
- 物种对气候变化的反应是高度可变的.
- 跨物种相互作用的气候驱动的变化可能解释了这种变异性.
- 了解这些相互作用对于预测物种适应能力至关重要.
研究的目的:
- 研究植物与蝶相互作用中与温度相关的变化如何影响物种的范围.
- 确定Aricia agestis对改变宿主植物的使用是否促进了范围的扩大.
- 探索物种对气候变化反应中的跨物种相互作用的作用.
主要方法:
- 记录了Aricia agestis.的历史和当前宿主植物协会.
- 对Aricia agestis分布和丰度的监测变化.
- 与气候数据和宿主植物可用性相关的范围变化.
主要成果:
- 温暖的气温已经将Aricia agestis的依赖性从Helianthemum nummularium转移到Geranium molle.
- 这种转变显著增加了蝶可用的息地.
- Aricia agestis已经展现了向北的快速扩张范围 (20年内79公里).
结论:
- 在物种间相互作用中的温度依赖的变化可以促进,而不仅仅是限制物种对气候变化的反应.
- 由气候变化驱动的改变宿主植物的使用可以导致范围的快速扩张.
- 这凸显了在气候变化脆弱性评估中考虑物种相互作用的重要性.
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