Publications Scientifiques

[ Article ] Hemicryptophytes plant species as indicator of grassland state in semi-arid region: case study of W Biosphere Reserveand its surroundings area in Benin (West Africa)

Date de soumission: 27-02-2018
Année de Publication: 2012
Entité/Laboratoire Laboratoire de Recherche en Biologie Appliquée (LARBA)
Document type : Article
Discipline(s) : Sciences Environnement &Ecologie
Titre Hemicryptophytes plant species as indicator of grassland state in semi-arid region: case study of W Biosphere Reserveand its surroundings area in Benin (West Africa)
Auteurs HOUESSOU Laurent [1], Teka Oscar [1], Oumorou Madjidou [3], SINSIN Brice [4],
Journal: International Journal of Biological and Chemical Sciences
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 6
Resume In semi-arid region managers are facing rapid degradation of grassland. There is a need to determine indicators to be used to detect early change occurring in the grassland for their sustainable management. Thereof, in this study, we explored the reliabilityof the use of hemicryptophytes as indicator of grassland state in semi-arid region within W Biosphere Reserve and surrounding areas (Benin). Plots of 10 m X 10 m were installed along a land use gradient (from communal lands to the protected area via the buffer zone) inthree vegetation types for plant biomass harvesting and hemicryptophytes traits measurement. The hemicryptophyte density, biovolume, tussock size, contact frequency, contribution to total plant biomass and grasslandgrazing value were assessed and compared between land uses. Findings showed that hemicryptopyte traits were significantly different with the land use type. Hemicryptophyte biovolume and hemicryptophyte contribution were strongly correlated, respectively, with total biomass production and grazing value. The study highlights the relevance of hemicryptophyte as indicators of grassland state that could be used by grassland managers for grassland monitoring, restoration and sustainable use.
Mots clés Grassland monitoring, hemicryptophyte traits, indicators, land use
Pages 1271 - 1280

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