对入侵的抵抗力和弹性在同步社区比补偿社区更强
Janette L Davidson1, Lauren G Shoemaker1
1Botany Department, University of Wyoming, Laramie, Wyoming, USA.
Ecology
|September 6, 2023
概括
同步的生态社区比补偿物种更好地抵抗和恢复入侵物种. 这表明保护不太同步的社区可能对防止入侵至关重要.
科学领域:
- 生态生态学 生态生态学
- 理论生态学理论生态学
- 数学建模的数学建模
背景情况:
- 社区同步对于生态稳定至关重要,但其在入侵中的作用是未知的.
- 居民社区的同步可能会影响对入侵物种的抵抗力和弹性.
研究的目的:
- 调查居民社区同步如何影响入侵抵抗力和弹性.
- 探索不同竞争优势和环境反应对社区动态的影响.
主要方法:
- 利用修改后的Lotka-Volterra竞争模型来模拟居民社区.
- 模拟社区具有不同程度的同步,从同步到补偿.
- 不同时间引入的入侵物种和量化入侵成功和同步变化.
主要成果:
- 与补偿社区相比,同步社区对入侵的抵抗力更高.
- 同步社区在入侵后保持同步方面也表现出更大的性.
- 入侵者增长率主要受到竞争系数和入侵者增长率的影响.
结论:
- 同步群体对入侵物种的抵抗力更强,原因是物种间竞争更强.
- 补偿和弱同步的社区更容易受到入侵.
- 保护工作应考虑对不太同步的居民社区构成的入侵风险.
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