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has been cited by the following article:

• TITLE: Influence of Grazing Intensity on Soil Properties and Shaping Herbaceous Plant Communities in Semi-Arid Dambo Wetlands of Zimbabwe

  AUTHORS: E. Dahwa, C. P. Mudzengi, T. Hungwe, M. D. Shoko, X. Poshiwa, S. Kativu, C. Murungweni

  KEYWORDS: Dambo Wetlands; Grazing; Soil Nutrients

  JOURNAL NAME: Journal of Environmental Protection, Vol.4 No.10, October 29, 2013

  ABSTRACT: Key issues of concern regarding the environmental impacts of livestock on grazing land are their effects on soil, water quality, and biodiversity. This study was carried out to determine how grazing intensity influences soil physical and chemical properties and occurrence of herbaceous plant species in dambo wetlands. Three categories of grazing intensity were selected from communal, small scale commercial and large scale commercial land. Dambos from the large scale commercial land functioned as the control. Data analysis included ANOVA and multivariate tests from CANOCO. There were significantly negative changes to soil nutrient status in communal dambos though with a higher number of rare taxa. Sodium, phosphorous, pH and infiltration rate were significant determinants of plant species occurrence. Overgrazing is threatening the productivity, stability, and ecological functioning of dambo soils in communal Zimbabwe. These dambos also require special conservation and management priorities as they contain a large number of rare plant species.