一个集成的整体投影模型 (IPM2) 来解开尺寸结构化的收获和自然死亡率
Abigail G Keller1, Benjamin R Goldstein2, Leah Skare3
1Department of Environment Science, Policy, and Management, University of California, Berkeley, Berkeley, California, USA.
The Journal of animal ecology
|November 11, 2025
概括
我们开发了一种新的模型 (IPM2) 来解开身体大小如何影响入侵的欧洲绿种群. 该模型有助于估计收获和死亡率,这对于有效的入侵物种管理和保护至关重要.
科学领域:
- 生态生态学 生态生态学
- 人口动态 人口动态
- 侵袭性物种管理 侵袭性物种管理
背景情况:
- 身体尺寸是影响人口统计率和人口动态的一个关键因素.
- 区分依赖大小的人口统计率是具有挑战性的,特别是对于具有机会性数据收集的入侵物种.
- 准确的推断对于抑制可行性和管理优化至关重要.
研究的目的:
- 开发一个综合整体预测模型 (IPM2) 来从不完美的观测中推断复杂的,规模结构化的人口率.
- 应用IPM2来估计侵袭性欧洲绿 (Carcinus maenas) 的规模结构化收获和自然死亡率.
- 提供尺寸结构化的丰度估计和预测不同移除场景下的人口动态.
主要方法:
- 开发一个综合整体投影模型 (IPM2),结合IPM和IPM的优势.
- 将IPM2应用于入侵的欧洲绿数据,并考虑依赖大小的观测和种群过程.
- 估计不同的规模结构化的收获和自然死亡率,通常无法在单独的数据集中识别.
主要成果:
- IPM2成功估计了欧洲绿的尺寸结构丰度和人口统计率.
- 高度的除草努力可以减少总体种群规模,但由于变化的物种内相互作用,可以增加较小的的丰富性.
- 规模选择性移除对人口结构产生影响,生态结果可变.
结论:
- IPM2框架对于从有限的数据中推断复杂的人口动态是有价值的.
- 通过了解尺寸结构动态,对入侵物种的保护计划的准确评估得到了改善.
- 管理策略必须考虑移除努力如何改变人口结构和生态相互作用.
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