Summary. — The precise definition of orophilic criteria allows the isolation, among the 170 different species of Rhopalocera observed in the Cameroon Highlands, of only about 36 true orophilic species, which is a surprisingly low proportion, yet over-estimated. The main features characterizing these orobionts are a close relationship with the East African montane species and a very weak tendency to endemism : only one of the orobionts is really endemic of the Cameron Highlands. An attempt is made to correlate these results with the changes in climate and vegetation that occurred during Quaternary ages. Many informations are given on several peculiar species.Résumé. — La définition de critères d'orophilie rigoureux permet de séparer, parmi...
Bourlière François. Villiers, A. ; Stempffer, H. — Les Lépidoptères de l'Afrique Noire Française. Fa...
Le déterminisme de la défeuillaison est analysé sur 8 essences d'arbres à usage multiple (M.P.T.S.) ...
On the level with general tendencies, the climatic evolution was realized in a parallel and approxim...
Summary. — The precise definition of orophilic criteria allows the isolation, among the 170 differen...
Summary. -On Mt. Bana, between 1800 and 2050 m high, 167 species of Rhopalocera have been recorded. ...
Abstract. - In the heart of African continent, the Central African Republic offers a sequence of pla...
The vegetation of the Fété Olé study area is typical of the sahelo-soudanian floristic domain, as co...
Summary. -During the study of the Mutillidae of Africa in order to proceed to a revision of these in...
The current evolution of natural milieux in central and west Cameroon Central and west Cameroon has ...
Le mode de régénération de Guiera senegalensis et Combretum micranthum, espèces économiquement impor...
Seuls sont envisagés ici les Rhipicephalus exophiles, dont les adultes infestent le bétail et le gra...
La croissance radiale de 4 sections d'okoumé du Congo provenant de 4 arbres différents est analysée....
Le Criquet sénégalais est l'un des principaux criquets ravageurs des cultures vivrières du Sahel afr...
It consists of the eastern edge of the Massif central, mainly in Ardèche. The vegetation is varied f...
Grâce à sa large extension en latitude (2°-13°N), le Cameroun bénéficie d’une diversité de milieux e...
Bourlière François. Villiers, A. ; Stempffer, H. — Les Lépidoptères de l'Afrique Noire Française. Fa...
Le déterminisme de la défeuillaison est analysé sur 8 essences d'arbres à usage multiple (M.P.T.S.) ...
On the level with general tendencies, the climatic evolution was realized in a parallel and approxim...
Summary. — The precise definition of orophilic criteria allows the isolation, among the 170 differen...
Summary. -On Mt. Bana, between 1800 and 2050 m high, 167 species of Rhopalocera have been recorded. ...
Abstract. - In the heart of African continent, the Central African Republic offers a sequence of pla...
The vegetation of the Fété Olé study area is typical of the sahelo-soudanian floristic domain, as co...
Summary. -During the study of the Mutillidae of Africa in order to proceed to a revision of these in...
The current evolution of natural milieux in central and west Cameroon Central and west Cameroon has ...
Le mode de régénération de Guiera senegalensis et Combretum micranthum, espèces économiquement impor...
Seuls sont envisagés ici les Rhipicephalus exophiles, dont les adultes infestent le bétail et le gra...
La croissance radiale de 4 sections d'okoumé du Congo provenant de 4 arbres différents est analysée....
Le Criquet sénégalais est l'un des principaux criquets ravageurs des cultures vivrières du Sahel afr...
It consists of the eastern edge of the Massif central, mainly in Ardèche. The vegetation is varied f...
Grâce à sa large extension en latitude (2°-13°N), le Cameroun bénéficie d’une diversité de milieux e...
Bourlière François. Villiers, A. ; Stempffer, H. — Les Lépidoptères de l'Afrique Noire Française. Fa...
Le déterminisme de la défeuillaison est analysé sur 8 essences d'arbres à usage multiple (M.P.T.S.) ...
On the level with general tendencies, the climatic evolution was realized in a parallel and approxim...