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Phénologie de quelques espèces ligneuses du parc national du « W » (Niger)
La phenologie de 28 especes ligneuses du parc national du « W » du Niger est analysee. Les phases suivies sont la feuillaison, la floraison et la fructification. Suivant leurs caracteristiquesExpand
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Differences between banded thickets (tiger bush) at two sites in West Africa.
. This paper deals with the influence of edaphic conditions on the spatial structure of banded thickets or tiger bush (brousse tigree). It is based on two sites in West Africa, with similar climaticExpand
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Modeling the Geographic Distribution of Prosopis africana (G. and Perr.) Taub. in Niger
Prosopis africana is a species of great socio-economic importance, threatened with extinction from its natural habitat in Niger due to overexploitation. The main objective of this study is toExpand
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Études floristique, phytosociologique et phytogéographique de la végétation du Parc régional du W du Niger
Cette these a ete realisee en co-tutelle entre I'Universite libre de Bruxelles (Belgique) et I'Universite Abdou Moumouni de Niamey (Niger). Elle a ete soutenue publiquement le 14 avril 2005 aExpand
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Peuplement des parcs à Neocarya macrophylla (Sabine) Prance et à Vitellaria paradoxa (Gaertn. C.F.) dans le sud-ouest nigérien : diversité, structure et régénération
La presente etude conduite dans le sud-ouest du Niger vise a determiner la diversite, la structure et la regeneration des especes ligneuses des parcs a Vitellaria paradoxa et a Neocarya macrophylla.Expand
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Using agricultural residues for sustainable transportation biofuels in 2050: Case of West Africa.
This article focuses on the use of biomass to produce transportation fuels such as synthetic natural gas, bioethanol and electricity under a sustainable scenario in West Africa in 2050. The aim ofExpand
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Impact of Solid Waste Disposal System on Soil in Maradi City (Niger Republic): A Preliminary Study of Heavy Metal Contamination
A B S T R A C T Waste disposal system was assessed through an evaluation of heavy metal contamination in Maradi city. 68 composite soil samples were collected from three types of dumpsite and analyzeExpand
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Epidemiology of Bacterial Meningitis in the Nine Years Since Meningococcal Serogroup A Conjugate Vaccine Introduction, Niger, 2010-2018.
BACKGROUND In 2010, Niger and other meningitis belt countries introduced a meningococcal serogroup A conjugate vaccine (MACV). We describe the epidemiology of bacterial meningitis in Niger from 2010Expand
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