Process / pipelineDemographic analysis
Life Table Response Experiment
Life Table Response Experiments (LTRE) decompose observed temporal changes in population growth rate (lambda) into contributions from changes in specific vital rates (survival, reproduction). Developed by Caswell (2000) and applied extensively by Wisdom and colleagues, LTRE reveals which demographic changes drove observed population dynamics. For example, LTRE can show whether a population's decline was primarily due to reduced survival of juveniles, reduced fecundity of adults, or changes in other life stages. This guides targeted conservation or management.
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Sources
- Caswell, H. (2019). Sensitivity Analysis: Matrix Methods in Demography and Ecology. Springer. DOI: 10.1007/978-3-030-10534-3 ↗
- Caswell, H. (2000). Matrix population models. Sinauer Associates. link ↗
- Wisdom, M. J., Mills, L. S., & Doak, D. F. (2000). Life stage simulation analysis: estimating vital-rate effects on population growth for conservation. Ecology, 81(3), 628-641. DOI: 10.1890/0012-9658(2000)081[0628:LSSAEV]2.0.CO;2 ↗