Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Fleuve Niger"'
Publikováno v:
International Journal of Biological and Chemical Sciences; Vol. 16 No. 6 (2022); 2945-2963
La présente étude s’est déroulée le long du fleuve Niger qui traverse le pays sur 550 km. Il traverse la ville de Niamey et sert de récepteur de ses eaux usées. Pour caractériser la signature géochimique des éléments traces des sédiments
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5c5ffb0b9a07953533a6777b2c30160
https://doi.org/10.4314/ijbcs.v16i6.38
https://doi.org/10.4314/ijbcs.v16i6.38
Autor:
Hama Garba, Oumou Kaltoum
Publikováno v:
Hydrologie. Université Grenoble Alpes [2020-..]; Université Abdou Moumouni, 2022. Français. ⟨NNT : 2022GRALU033⟩
In the semi-arid southwestern Niger, in the Tillabéry and Niamey (capital of the country)regions, the Niger River has experienced emblematic effects of climate change. Theconsequences of the severe droughts endured in the 1970s - 1980s altered the l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2191::0a9aee79943d612b40f4c4d455f021b9
https://theses.hal.science/tel-04064636/document
https://theses.hal.science/tel-04064636/document
Autor:
MAMADOU, Ibrahim
Le fleuve Niger reçoit les apports d’une multitude de grands affluents principalement sur sa rive droite. La vallée de ce cours d’eau connait de nos jours un ensablement. Ce phénomène est, dans la Région de Niamey, lié à la dynamique des
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75678c267ba0085226b0fec2777092f9
Publikováno v:
Ingénierie de l'environnement. IMT-MINES ALES-IMT-Mines Alès Ecole Mines-Télécom; Université Abdou Moumouni, 2021. Français. ⟨NNT : 2021EMAL0014⟩
In Nigerien Liptako, the quality of water to meet the needs of populations and ecosystems is jeopardized by the development of artisanal gold mining and the increased use of pesticides. It is urgent to improve scientific and local knowledge in order
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2191::ad0461825e288a851272264c0f0aff52
https://theses.hal.science/tel-03624770
https://theses.hal.science/tel-03624770
Autor:
Houndegnonto, Odilon Joël
Publikováno v:
Sciences de la Terre. Université de Bretagne occidentale-Brest, 2021. Français. ⟨NNT : 2021BRES0105⟩
Océanographie. Université de Bretagne Occidentale (UBO), Brest, 2021. Français
Océanographie. Université de Bretagne Occidentale (UBO), Brest, 2021. Français
In the Gulf of Guinea (GG), freshwater originated from river discharges and high precipitation rates contribute to the upper ocean density stratification, and play a key role in modulating air-sea interactions. However, the thermohaline variations of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::888dadb8fbc6ed794b76964e64d24178
https://theses.hal.science/tel-03783727v2/document
https://theses.hal.science/tel-03783727v2/document
Publikováno v:
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, Vol 58, Iss 1-2, Pp 103-110 (2005)
In the region of Timbuktu in Mali, the droughts of the 1970- 80’s and the Tuareg rebellion of the 1990’s led nomadic populations to settlement and cultivation. At the beginning of a new project supporting agropastoral organizations, the NGO Vét
Externí odkaz:
https://doaj.org/article/442cbbee613049bab8650b926f87a4e5
Autor:
H. Kassambara, P. Kleene
Publikováno v:
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, Vol 57, Iss 3-4, Pp 167-175 (2004)
In the early 1930s, the Office of Niger started its farming operations with the use of cattle power. In 1949 began large scale mechanization, which ended in failure ten years later. Since then, draft animal power has become again the major energy sou
Externí odkaz:
https://doaj.org/article/e11d24e0df1343ec8e53a7db49bd890c
Autor:
A. K.I. Youssao, M. N. Assogba
Publikováno v:
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, Vol 55, Iss 2, Pp 105-108 (2002)
A survey was conducted on cattle fasciolosis in the Niger River valley of Benin in October 1995 and March 1996 to assess the importance of the disease. Feces examinations were performed with the qualitative method by simple sedimentation. The overall
Externí odkaz:
https://doaj.org/article/d16e2869c4214e6e85b602d8b8e8aa19
Autor:
Souley Adamou, Hassane
Publikováno v:
Ecologie, Environnement. Université Paul Sabatier-Toulouse III; Université Abdou Moumouni, 2021. Français. ⟨NNT : 2021TOU30060⟩
This thesis studies the zooplankton of the Middle river Niger, over a 520 km reach from Ayorou to Gaya (Niger). Two campaigns took place: one during the low-water period (16th April to 8th May 2018) and one during the high-water period (1st to 15th F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2191::8c2fd9efdf642864704331d27c817afc
https://theses.hal.science/tel-03609569/document
https://theses.hal.science/tel-03609569/document
Autor:
Toure, Bayanatou
Cette thèse vise la continuité des questions d’échelle à travers la gouvernance de l’eau qui ne peut s’établir à un seul niveau mais doit au contraire envisager tous les niveaux à la fois. Cela constitue une difficulté méthodologique m
Externí odkaz:
http://www.theses.fr/2017BOR30027