Contribution Of Impala (Aepyceros Melampus) Faecal Pellets To Nutrient Cycling In Varying Seasons And Its Effects On Plant Species Diversity. The Case Of Mukuvisi Woodland

ABSTRACT

A study to assess the contribution of impala (Aepyceros melampus) to nutrient cycling was

conducted in Mukuvisi woodland, a Nature reserve in Harare. The aim of this study was to assess

the contribution of impala faecal pellets to nutrient cycle of Mukuvisi Woodland. In this study

stratified random sampling method was used to assess decomposition rate of impala faecal

pellets in two seasons (summer and winter), and also to determine the amount of soil nutrients

contributed by impala faecal pellets into the nutrient cycle. Two zones were sampled and these

zones were selected according to soil type, 10 samples were selected in each zone. The mean

decomposition rates showed that there was high decomposition rate in sand zone than in the

gravel zone. Also overally soil nutrient content was observed to be high in the sand zone than in

the gravel zone. This showed that impala faecal pellets contribute to soil nutrients. The t-test

results indicated that soil type significantly influences (p

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