Environmental Biological And Socio-economic Study On Boye And Extended Wetlands In Jimma Zone Of Oromia National Regional State Southwest Ethiopia

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This study was conducted to assess the status of Boye, Kitto and Koffe wetlands in Jimma. Thesernwetlands are very important resources, yet their catchments have been subjected to humanrnstresses, notably agriculture, settlement, intensive grazing and brick manufacturing.rnEnvironmental parameters such as TDS, EC, DO, water pH, PO4-3, NO-3, Cl-1 turbidity andrntemperature were measured for the three sites. Except for EC and temperature, no significantrndifferences were recorded for TDS, pH, turbidity, DO, NO-3, Cl-1 and phosphate between thernthree sites. 2,892 macroinvertebrates taxa were recorded at three sites comprising four classes.rnClass Hirudinea and Oligolchaeta were encountered in all the sites. The greatest richness ofrngenera at the order level was recorded at Boye and Koffe sites. The diversity (H') and evennessrn(J') indices were higher at Boye, but the similarity index was high between Boye and Kitto sites.rnNitrate was the only physicochemical parameter that showed significant influence on thernrichness of the macroinvertebrates found in the study sites. A total of 59 different plant taxa of 26rnfamilies were encountered in the three sites, with 19 families with 42 species recorded at Kittornsite, 21 families with 31 number of species being observed at Koffe site, and 16 families with 29rnspecies at Boye site. Asteraceae was recorded with the highest number at Boye site whilernCyperaceae was recorded with the highest number at both Kitto and Koffe sites. High similarityrnof taxa was high between Boye and Kitto sites (71.5%), but the species diversify (H') andrnevenness index (J') was found high at Koffe site. Bird species diversity and abundance wasrnmeasured using count methods, and 1,517 individuals of 24 bird species were recorded. Thernnumber of species encountered was different between the three sites, with Boye having thernhighest (91.7%), followed by Kitto (75%) and Koffe (3.6.4%) sites. Kitto had the highestrndiversity (H'), equitability (J'), and bird density. The percentage of similarity index across thernsites is large between Boye and Kitto sites. 76 respondents participated in the household survey.rn80% of the households had 0.1-2.0 size of land holding in the wetlands. 100% of the householdsrnreported the disadvantages of living around the wetlands due to high incidence of malariarndespite the many economic and societal benefits they gained out of the wetlands Althoughrnvarious human activities were being undertaken in the catchments, 99% of the householdsrnjudged that human activities did not have no any undesirable effects on the resources

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Environmental Biological And Socio-economic Study On Boye And Extended Wetlands In Jimma Zone Of Oromia National Regional State Southwest Ethiopia

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