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Impacts of harvesting intensity on tree taxonomic diversity, structural diversity, population structure, and stability in a West African mangrove forest by Mahutin Serge Zanvo; Kolawolé Valère Salako; Césaire Gnanglè; Sylvanus Mensah; Achille Ephrem Assogbadjo; Romain Glèlè Kakaï is a Environmental Science article available to read on EtoBox.

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Understanding the impacts of wood harvesting intensity on the diversity and structure of ecosystems such as mangroves is essential for defining actions for their sustainable management. We compared tree taxonomic diversity, structural diversity and dominance patterns, density, growth characteristics, size class distribution-SCD and stand stability in West African mangroves subject to low vs. high wood harvesting intensity. Data on tree species identity, total height, diameter (dbh), and conditions (logged, topped or pruned) were collected from ten mangrove sites per harvesting intensity. We found seven species of which two true mangroves species (Rhizophora racemosa and Avicennia germinans) that were dominant across all sites. As expected, there were significantly 3-4, 3-7, and 2-4 times more logged, topped and pruned trees respectively in high-harvesting sites than in lowharvesting sites. Taxonomic diversity was less affected than structural diversity (dbh and heightbased diversity metrics). Tree density was significantly 1.3-5 times higher in low-harvesting sites than in high-harvesting sites for the whole stand and each of the dominant species. Total regeneration density was als

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Author

Mahutin Serge Zanvo; Kolawolé Valère Salako; Césaire Gnanglè; Sylvanus Mensah; Achille Ephrem Assogbadjo; Romain Glèlè Kakaï

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Environmental Science (Physical Sciences)