Population Dynamics and Stability
Population Dynamics and Stability
This chapter examines the implications of climate change for population dynamics and stability. Population dynamics, or the variation in abundance of a population through time, can be decomposed into two components: density-dependent and density-independent processes. Density-dependent processes are those involving competitive interactions among members of the same species within the same population that influence survival and reproduction. Density-independent processes are those that do not involve interactions with other members of the same species in the same population but rather owe to external factors such as environmental variation. It is this latter set of processes that has relevance to climate change, though density dependence certainly has a role to play in the response of populations to climate change.
Keywords: climate change, population dynamics, population stability, density-dependent processes, density-independent processes, competitive interactions, environmental variation
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