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Academic & Professional Books  Habitats & Ecosystems  Forests & Wetlands

Biodiversité au Sahel Les Forêts du Mali

By: Philippe Birnbaum(Author)
208 pages
Publisher: Editions Quae
Biodiversité au Sahel
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  • Biodiversité au Sahel ISBN: 9782759218110 Paperback Aug 2012 Not in stock: Usually dispatched within 1-2 weeks
    £35.99
    #224299
Price: £35.99
About this book Contents Customer reviews Related titles

About this book

Language: French

Fruit of ten years work in Mali, this book presents an illustrated summary of the ecological functioning of West African arid forests. It uses old climatic episodes, rainfall gradients, the variability in water availability, the action of reliefs and human action to distinguish the essential factors that explain the organisation of these arid landscapes as a mosaic of habitats.

Contents

Préambule

Le Mali, un paysage au centre du Sahel
Géographie générale
Les populations sédentaires et nomades
Les ressources forestières
La valeur des forêts arides

Origines des forêts arides de l’Afrique de l’Ouest
Mise en place du socle géologique
Mise en place de la flore actuelle
Les traces de l’homme
La mosaïque des flores

L’influence des gradients climatiques
Le gradient pluviométrique
La classification bioclimatique
Les gradients de végétation
La matrice bioclimatique

L’empreinte de l’homme
Le cercle de l’emprise humaine
Le cercle agroforestier
Le cercle d’influence
La diffusion des feux de brousse
La matrice anthropogénique

Les forêts des fleuves et rivières
La disponibilité hydrique
Les plaines inondables
Les rivières permanentes
Les rivières saisonnières
Les inclusions hydriques

Les forêts de failles
Percolation et ruissellement
Le plateau mandingue
Le plateau de Koutiala
Le massif de Kénédougou
L’Adrar des Iforas
Les inclusions topographiques

La réponse des espèces
Confinement et transgression
Ajustement du port
Ajustement du feuillage
Ajustement du système racinaire
La plasticité morphologique

La diversité végétale
Une mosaïque de paysages
Richesse floristique
Nouvelles espèces
Variabilité et spéciation
Rôle et gestion de la biodiversité

Bibliographie

Index des noms de plantes

Customer Reviews

By: Philippe Birnbaum(Author)
208 pages
Publisher: Editions Quae
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