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Plant viability: Modeling the impacts of harvesting non-timber forest products in a fragmented landscape

Author

Listed:
  • Leite, Maria C.A.
  • Oliva-Zúniga, Ruth I.
  • Torres, Pedro J.

Abstract

In this paper, we develop a mathematical model to explore the impact of non-timber forest products (NTFPs) harvesting and fragmentation on the viability of plant populations, employing a meta-population framework. Our aim is to investigate how harvesting rates and patch connectivity influence harvest yield while ensuring population viability. Our findings indicate that sustainable harvesting rates can be explicitly determined for metapopulations composed of two patches, highlighting the influence of patch connectivity and dispersal rates on maximum sustainable yield (MSY). Notably, the MSY does not always increase with higher connectivity; instead, it may exhibit non-monotonic behavior depending on the dispersal rate. Additionally, under certain conditions, a suitable harvesting strategy may involve concentrating harvesting efforts on a single patch to ensure population regeneration. These insights underscore the importance of adaptable management strategies in the sustainable harvesting of NTFPs and the conservation of plant populations in fragmented habitats.

Suggested Citation

  • Leite, Maria C.A. & Oliva-Zúniga, Ruth I. & Torres, Pedro J., 2025. "Plant viability: Modeling the impacts of harvesting non-timber forest products in a fragmented landscape," Ecological Modelling, Elsevier, vol. 504(C).
    • Handle: RePEc:eee:ecomod:v:504:y:2025:i:c:s0304380025000663
    DOI: 10.1016/j.ecolmodel.2025.111080
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    References listed on IDEAS

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    1. Auger, Pierre & Kooi, Bob & Moussaoui, Ali, 2022. "Increase of maximum sustainable yield for fishery in two patches with fast migration," Ecological Modelling, Elsevier, vol. 467(C).
    2. Klimas, Christie A. & Cropper, Wendell P. & Kainer, Karen A. & de Oliveira Wadt, Lúcia H., 2012. "Viability of combined timber and non-timber harvests for one species: A Carapa guianensis case study," Ecological Modelling, Elsevier, vol. 246(C), pages 147-156.
    3. Juan Pablo Ramírez-Delgado & Moreno Di Marco & James E. M. Watson & Chris J. Johnson & Carlo Rondinini & Xavier Corredor Llano & Miguel Arias & Oscar Venter, 2022. "Matrix condition mediates the effects of habitat fragmentation on species extinction risk," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    4. Wies, Germán & Groot, Jeroen C.J. & Martinez-Ramos, Miguel, 2023. "In highly-biodiverse tropical landscapes, multiple-objective optimization reveals opportunities for increasing both conservation and agricultural production," Ecological Modelling, Elsevier, vol. 483(C).
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