The effects of fuelwood removal on the diversity of some cavity-using birds and mammals in South Africa

afrique du sud animal salvaje animal sauvage biodiversidad biodiversity birds bois de chauffage bois mort bosques cours d'eau cursos de agua deadwood faune et flore sauvages forest ecology forests fuelwood gestion des ressources habitat habitats madera muerta mammals oiseau resource management rivers sostenibilidad south africa species diversity sustainability vertebrados vertebrates vertebre vida silvestre wild animals wildlife