Species diversity is a function of the number of species and the evenness in the abundance of the component species. We calculated diversity and evenness profiles, which allowed comparing the diversity and evenness of communities. We applied the methodology to investigate differences in diversity among the main functions of trees on western Kenyan ...
Forest management consists in anthropogenic disturbances that are able to modulate ecological features, resource availability and successional patterns. Plant communities are thus expected to react differently to contrasted silvicultural systems. We compared plant species composition between stands submitted to a traditional management since many c...
Après un historique de la protection du patrimoine naturel en Guyane depuis 1970, cet article présente l'état actuel des actions de conservation. Les outils méthodologiques et juridiques disponibles pour mettre en place et gérer les aires protégées sont discutés. La nécessité de compléter les relevés qualitatifs et quantitatifs de la biodiversité v...