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Variation in ground dwelling insect assemblages on five habitats at Sebele content farm in Gaborone, Botswana.

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Variation in ground dwelling insect assemblages on five habitats at Sebele content farm in Gaborone, Botswana.docx (196.6Kb)
Date
2012-09-15
Author
Tshiamiso, L.
Obopile, M.
Mmolotsi, R. M.
Rampart, Melusi
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Abstract
A study was conducted at Sebele content Farm in Gaborone, botswana to investigate the effects of different agricultural land uses on species richness, diversity and abundance of ground dwelling insects. The agricultural landscape mosaic consisted of a mature orchard, crop field, irrigated fodder field (pasture land), fenced grazing land, and a natural forest. The ground dwelling insects were sampled from 31st January to 18 March 2010 using passive pitfall traps placed on the five habitats. The results showed significant differences in ground dwelling insect species richness, diversity and abundance among five sites, indicating that habitats influenced insect assemblages. The data showed higher variation in species richness and abundance over the sampling period of the study. The most abundant species were from the family, Tenebrionidae with a total of 251 individuals. The highest species richness was obtained from grazing land and crop field. cluster analysis revealed similarities in ground dwelling insect assemblage of habitats mostly used for agriculture. This was confirmed by principal component analysis which separated crop field, orchard and grazing land from forest land.
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https://www.indianjournals.com
https://hdl.handle.net/13049/428
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