The effects of a deferred grazing system on rangeland vegetation in a north-western, semi-arid region of Tanzania

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dc.creatorSelemani, Ismail S.
dc.creatorEik, Lars O.
dc.creatorHoland, Øystein
dc.creatorÅdnøy, Tormod
dc.creatorMtengeti, Ephraim
dc.creatorMushi, Daniel
dc.date.accessioned2023-05-10T10:12:44Z
dc.date.accessioned2025-08-05T07:23:53Z
dc.date.available2023-05-10T10:12:44Z
dc.date.created2023-05-10T10:12:44Z
dc.date.issued2013-10-15
dc.description.abstractThe present study assessed the effects of deferred grazing management on rangeland condition using aboveground biomass, vegetation cover and species composition as indicators of range condition. The experi- ment was based on traditionally conserved exclosures (ngitili). Data were collected in Shinyanga rural and Meatu districts, Tanzania, from October to November 2011. Five grazing strategies were compared: old private ngitili, young private ngitili, old communal ngitili, young communal ngitili and continuously grazed land. Aboveground biomass was significantly higher in old private ngitili than continuously grazed land, but there was no significant difference in amount of biomass between communal ngitili and continuously grazed land. The mean percentage basal cover was significantly higher in ngitili than continuously grazed land. The duration of protection (old ngitili compared with young ngitili) was not found to have any significant influence on both aboveground herbaceous biomass production and basal cover. The Shannon–Wiener index and Simpson index of diversity revealed no significant differences in species diversity among the different strategies. Both the continuously grazed land and communal ngitili were generally in poor condition and a special rehabilitation programme for improvement of these fragile grazing lands should be investigated.
dc.identifierIsmail S Selemani, Lars O Eik, Øystein Holand, Tormod Ådnøy, Ephraim Mtengeti & Daniel Mushi , African Journal of Range & Forage Science (2013): The effects of a deferred grazing system on rangeland vegetation in a north-western, semi-arid region of Tanzania, African Journal of Range & Forage Science
dc.identifier1022-0119
dc.identifierhttp://www.suaire.sua.ac.tz/handle/123456789/5235
dc.identifier.urihttp://repository.costech.or.tz/handle/20.500.14732/97449
dc.languageen
dc.publisherTaylor & Francis
dc.relationAfrican Journal of Range & Forage Science 2013: 1–8;
dc.subjectBiomass
dc.subjectGrazing management
dc.subjectNgitili
dc.subjectSpecies diversity
dc.subjectVegetation cover
dc.titleThe effects of a deferred grazing system on rangeland vegetation in a north-western, semi-arid region of Tanzania
dc.typeArticle

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