Piospheric influence on forage species composition and abundance in semi-arid Karamoja sub-region, Uganda

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dc.contributor.authorEgeru, Anthony
dc.contributor.authorWasonga, Oliver
dc.contributor.authorMacOpiyo, Laban
dc.contributor.authorMburu, John
dc.contributor.authorTabuti, John R. S.
dc.contributor.authorMajaliwa, Mwanjalolo G. J.
dc.date.accessioned2022-06-10T22:36:57Z
dc.date.available2022-06-10T22:36:57Z
dc.date.issued2015
dc.description.abstractPiospheres in semi-arid areas are gradients of animal impacts around watering holes. Few studies have examined the impact dynamics of herbaceous and woody species composition and abundance in relation to piospheres in East Africa. In this study, we identified the trend in piosphere development, assessed piosphere use and change indicators, and identified herbaceous and woody plant structure in relation to piospheres in the Karamoja sub-region, Uganda. Results revealed that piosphere development has been reactionary to drought and/or insecurity events and increased rapidly in the last decade. A diversity of herbaceous and woody plants exists around the piospheres. Use and change indicators revealed high trampling and grazing intensity, high presence of erosion signs and low litter cover. Gradient distance had both positive and negative effects on trampling intensity, percent exposure and plant height, respectively. A negative and positive effect of gradient distance was also observed on different herbaceous and woody forage species leading to the identification of both increaser and decreaser species around the piospheres. Therefore, as concentrated use of the piospheres continues unabated, an outward ripple effect leading to loss and/or increase of undesirable herbaceous and woody species will be felt. This will have an impact on the composition and abundance dynamics of desirable forage species in the sub-region.en_US
dc.identifier.citationEgeru, A., Wasonga, O., MacOpiyo, L., Mburu, J., Tabuti, J. R., & Majaliwa, M. G. (2015). Piospheric influence on forage species composition and abundance in semi-arid Karamoja sub-region, Uganda. Pastoralism, 5(1), 1-17. DOI 10.1186/s13570-015-0032-yen_US
dc.identifier.other10.1186/s13570-015-0032-y
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/3885
dc.language.isoenen_US
dc.publisherPastoralismen_US
dc.subjectDistanceen_US
dc.subjectHerbaceousen_US
dc.subjectProtected kraalsen_US
dc.subjectWaterholesen_US
dc.subjectWoodyen_US
dc.titlePiospheric influence on forage species composition and abundance in semi-arid Karamoja sub-region, Ugandaen_US
dc.typeArticleen_US
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