Results 101 to 110 of about 54,911 (205)

Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 26., a new checklist of the mosses of Central Africa [PDF]

open access: yes, 1993
Central Africa was one of the first regions in the tropics, if not the first, for which a checklist of mosses was compiled. In 1940, Demaret published the "Prodrome des Bryophytes du Congo Belge et du Ruanda-Urundi", followed by a supplement in 1946.
Born, S., Frahm, Jan-Peter, Pócs, Tamas
core  

Évaluation de la productivité en gomme de Sterculia setigera Del. en fonction du diamètre et de l'état de l'arbre

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires, 2017
Sterculia setigera Del. est bien connue en Afrique subsaharienne comme espèce à multiples usages et en particulier pour l’importance économique de sa gomme.
Wouyo ATAKPAMA   +3 more
doaj  

L’exploitation des carrières apporte-t-elle un plus à la biodiversité ?

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires
L’étude a testé l’hypothèse selon laquelle les carrières abandonnées améliorent la diversité floristique locale contrairement à la perception générale selon laquelle l’exploitation des carrières impact négativement la biodiversité.
Narcis Togbédji TOHINDE   +4 more
doaj   +1 more source

A revision of the genus Radulina W.R.Buck & B.C.Tan (Sematophyllaceae: Bryopsida) [PDF]

open access: yes, 2006
The palaeotropic moss genus Radulina W.R.Buck & B.C.Tan is revised, resulting in the genus being reduced to four species and one variety. The following 14 names become synonyms of the oldest name in the genus, Radulina borbonica (Bél.) W.R.Buck: Hypnum ...
O’Shea, Brian J.
core  

Assessment of gum yield of Sterculia setigera Del. in relation to diameter and trees status

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires, 2018
Sterculia setigera Del. is well-known in Sub-Saharan Africa as a multipurpose tree species, especially due to the economic value of its gum. The present study carried out in the Kantindi experimental station was a contribution to the valorisation of S ...
Wouyo ATAKPAMA   +3 more
doaj  

Reproductive biology of Orechromis niloticus (L.) (Pisces: Cichlidae) in the Nyanza Gulf of Lake Victoria [PDF]

open access: yes, 1999
Fish samples were collected using seine and trawl nets in Nyanza Gulf, Lake Victoria (Kenya) in order to study the reproductive and gonadal patterns of Oreochromis niloticus; samples were collected from June 1998 to February 1999.
Ojuok, J.E.
core  

Diversity and distribution of Orchidaceae in one of the world's most threatened plant hotspots (Madagascar). [PDF]

open access: yesBiodivers Data J, 2023
Droissart V   +4 more
europepmc   +1 more source

Empreinte anthropique sur la dynamique des écosystèmes de la forêt classée d’Amou-Mono au Togo

open access: yesRevue Nature et Technologie
In recent years, Togo's protected areas have been subject to a worrying process of anthropisation. This has led to a decline in forest ecosystems, their biodiversity and their functions.
KOFFI N'DERE Aoufoh   +6 more
doaj   +2 more sources

Importance socio-économique de la forêt communautaire d'Edouwossi-copé dans la préfecture d'Amou au Togo

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires, 2017
La présente étude a permis de recueillir des informations sur l’importance ethno-botanique et socio-économique de la forêt communautaire d’Edouwossi-Copé, située dans la préfecture Amou au Togo.
Wouyo ATAKPAMA   +5 more
doaj  

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