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Titre : |
Tropical forest biodiversity : distributional patterns and their conversational significance
|
Auteur(s) : | Alwyn H. Gentry, Auteur |
Type de document : | Tiré à part |
Sujets : | Biodiversité ; Forêt tropicale ; Conservation biologique |
Résumé : |
Phytogeographical knowledge of two major patterns important to conservational planning―the distribution of diversity and endemism in tropical forests―are summarized. High diversity forests occur on all three continents and are concentrated in lowland areas with high and evenly distributed rainfall, but with greatest diversity usually occurring in northwest South America forests. Tree and liana species richnessis greatest in upper Amazone and non-tree species richness greatest in the northern andean foothills and southern Central America, suggesting conservational priority for these areas. Endemism is only partly correlated with diversity and is concentrated in isolated patches of unusual habitat, in cloud forsts, in topographically dissected montane areas, and on continental fragment [...] Phytogeographical knowledge of two major patterns important to conservational planning―the distribution of diversity and endemism in tropical forests―are summarized. High diversity forests occur on all three continents and are concentrated in lowland areas with high and evenly distributed rainfall, but with greatest diversity usually occurring in northwest South America forests. Tree and liana species richnessis greatest in upper Amazone and non-tree species richness greatest in the northern andean foothills and southern Central America, suggesting conservational priority for these areas. Endemism is only partly correlated with diversity and is concentrated in isolated patches of unusual habitat, in cloud forsts, in topographically dissected montane areas, and on continental fragment islands, areas which also deserve conservational priority (...) |
Editeur(s) : | Oxford : Blackwell |
Date de publication : | 1992 |
Format : | pp. 19-28 / tabl., réf., cartes |
Note(s) : |
Extrait de Oikos - Vol.63 - n°1 |
Langue(s) : | Anglais |
Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=147357 |
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