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From town to national park: Understanding the long-term effects of hunting and logging on tree communities in Central Africa

Publication ,  Journal Article
Maicher, V; Clark, CJ; Harris, DJ; Medjibe, VP; Poulsen, JR
Published in: Forest Ecology and Management
November 1, 2021

Anthropogenic disturbances are changing the structure and composition of tropical forests worldwide. Multiple disturbances often occur simultaneously in forests. Hunting and logging, for example, are within-forest disturbances that impact vast areas of seemingly intact rainforests. Despite recent work on the individual effects of these disturbances, our understanding of how they interact to influence tree communities is still limited. In northern Republic of Congo, we explored the effects of hunting and logging on tree communities. Over an 8-year period, we monitored 12,552 tree stems (≥10 cm diameter-at-breast height) spread over 30 1-ha plots along a gradient of human disturbance to compare the tree diversity between hunted and logged forest, once-logged forest, and protected forest free of both disturbances. Tree density, species richness, and community composition were affected by both hunting and logging. Forest close to human settlements was richer, more heterogenous, and more dynamic in species composition across censuses. In hunted and logged forest, fast-growing secondary species with low shade tolerance replaced old growth species. Comparatively, the once-logged forest had the greatest stem density and intermediate species richness with an increased density of shade-bearing species over time. Both tree species spatial turnover and tree recruitment were greatly affected by proximity to human settlements. A shift towards abiotically dispersed trees and increasing seed predation by rodents near villages can partly explain the differences in tree recruitment across the forest types. The combination of hunting and logging seems to have a greater impact on tree communities than either single disturbance, especially with nearness to villages.

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Published In

Forest Ecology and Management

DOI

ISSN

0378-1127

Publication Date

November 1, 2021

Volume

499

Related Subject Headings

  • Forestry
  • 4102 Ecological applications
  • 3103 Ecology
  • 07 Agricultural and Veterinary Sciences
  • 06 Biological Sciences
  • 05 Environmental Sciences
 

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Maicher, V., Clark, C. J., Harris, D. J., Medjibe, V. P., & Poulsen, J. R. (2021). From town to national park: Understanding the long-term effects of hunting and logging on tree communities in Central Africa. Forest Ecology and Management, 499. https://doi.org/10.1016/j.foreco.2021.119571
Maicher, V., C. J. Clark, D. J. Harris, V. P. Medjibe, and J. R. Poulsen. “From town to national park: Understanding the long-term effects of hunting and logging on tree communities in Central Africa.” Forest Ecology and Management 499 (November 1, 2021). https://doi.org/10.1016/j.foreco.2021.119571.
Maicher V, Clark CJ, Harris DJ, Medjibe VP, Poulsen JR. From town to national park: Understanding the long-term effects of hunting and logging on tree communities in Central Africa. Forest Ecology and Management. 2021 Nov 1;499.
Maicher, V., et al. “From town to national park: Understanding the long-term effects of hunting and logging on tree communities in Central Africa.” Forest Ecology and Management, vol. 499, Nov. 2021. Scopus, doi:10.1016/j.foreco.2021.119571.
Maicher V, Clark CJ, Harris DJ, Medjibe VP, Poulsen JR. From town to national park: Understanding the long-term effects of hunting and logging on tree communities in Central Africa. Forest Ecology and Management. 2021 Nov 1;499.
Journal cover image

Published In

Forest Ecology and Management

DOI

ISSN

0378-1127

Publication Date

November 1, 2021

Volume

499

Related Subject Headings

  • Forestry
  • 4102 Ecological applications
  • 3103 Ecology
  • 07 Agricultural and Veterinary Sciences
  • 06 Biological Sciences
  • 05 Environmental Sciences