Species Richness Abundance And Habitat Preference Of Rodents In Komto Protected Forest Western Ethiopia

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A study on the species richness, abundance and habitat preference ofrnrodents of Komto Protected Forest was carried out from July, 2009 tornFeburary, 2010 encompassing both wet and dry seasons. The study wasrncarried out using Sherman live and snap traps in maize farm, grassland,rnbushland and forest habitats. A total of 312 individual rodents (live traps)rnand 66 rodents (snap traps) were captured over 2352 and 1200 trap nights,rnrespectively. The species composition and their relative abundance includes:rnS. albipes (48.4%), L. flavopunctatus (27.6%), L. striatus (10.3%), P.rnharringtoni (7.7%), R. rattus (5.1%) and M. mahomet (0.9%). In addition, arnspecies of C. flavescens was also captured. Most of the rodent species preferrngrassland and maize farm to bushland and forest. Bushland and forestrnhabitats provided more number of individual rodents with few species.rnMales comprised 52.9% and females 47.1% of the total capture. Among therntotal rodents captured, adults, subadults and juveniles comprised 60.6 %,rn28.8% and 10.6%, respectively. Active burrows were not recorded in allrnhabitats during the wet season and in the grassland and forest habitatsrnduring both seasons. Population size was estimated by Minimum NumberrnAlive method showed variation from 42 in Fubrary to 101 in September.rnHigh population density (309/ha) and biomass (8,048 g/ha) was recordedrnfor S. albipes and lowest for M. mahomet (6/ha) and 29 g/ha, respectively.rnSeasonally, maximum biomass was obtained in September (5563 g/ha) andrnthe lowest was in February (2,342 g/ha).rnKey words: Abundance, habitat preference, Komto Protected Forest,rnrodents, species richness

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Species Richness Abundance And Habitat Preference Of Rodents In Komto Protected Forest Western Ethiopia

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