Connectivity, conservation and catch: Understanding the effects of dispersal between harvested and protected patches

Femke N. Reurik, Juan Segura and Frank M. Hilker

Theoretical Population Biology, 2025, vol. 163, issue C, 91-105

Abstract: Overharvesting is a pressing global problem, and spatial management, such as protecting designated areas, is one proposed solution. This study examines how connectivity (in terms of dispersal rate) between protected and harvested areas affects the asymptotic total population size and the asymptotic yield, which are key questions for conservation management and the design of protected areas. We utilise a two-patch model with heterogeneous habitat qualities, symmetric dispersal and density-dependent growth functions in both discrete and continuous time. One patch is subject to proportional harvesting, while the other one is protected.

Keywords: Symmetric dispersal; Two-patch model; Proportional harvesting; Spatial management; Source–sink dynamics; Protected areas (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:thpobi:v:163:y:2025:i:c:p:91-105

DOI: 10.1016/j.tpb.2025.03.005

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