?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Influence+of+Land-use+on+the+Fitness+of+Anopheles+gambiae%2C+the+Principal+Vector+of+Malaria+in+Nigeria&rft.creator=Olayemi%2C+Israel+Kayode&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=Background%3A+Urbanization+often+results+in+profound+environmental+alterations+that+may+promote+the+transmission+of+malaria.+Though%2C+land-use+practices+in+urban+areas+have+been+linked+with+proliferations+of+suitable+larval+breeding+habitats+of+malaria+vectors%2C+no+attempt+has+been+made+to+systematically+investigate+the+influence+of+land-use+practices+on+malaria+transmission+in+Nigeria.+Objectives%3A+To+elucidate+the+influence+of+land-use+practices+on+larval+development+and+adult+body+size+of+Anopheles+gambiae+(Diptera%3A+Culicidae)+mosquitoes+in+Minna%2C+Nigeria.+Materials+and+Methods%3A+Newly-hatched+larvae+of+An.+gmbiae+mosquitoes+were+reared+in+semi-natural+habitats+stationed+in+five+different+sites%2C+each+representing+the+major+land-use+types+in+the+area.+The+larvae+were+monitored+daily+for+Duration+of+Immature+Development+(DID)+and+Immature+Survival+Rate+(ISR)%3B+while+Wing+Length+(WL)+was+used+as+an+index+of+adult+body+size.+Results%3A+DID%2C+ISR+and+WL+varied+significantly+(P+%3C+0.05)+among+the+land-use+categories%3B+with+lager+numbers+of+bigger+mosquitoes+produced+at+a+faster+rate+in+the+artificial+than+natural+land-use+sites.+Water+temperature+for+larval+development+was+best+in+the+Refuse+Dump+(RD)+site+(mean+%3D+28.11+%C2%B1+2.50oC)+and+consequently+the+shortest+DID+(mean+%3D+9.70+%C2%B1+0.74+days)%2C+as+well+as%2C+the+largest+mosquitoes+(mean+WL+%3D+3.10+%C2%B1+0.90+mm)%2C+were+recorded+in+this+land-use+category.+However%2C+while+ISR+was+highest+(mean+%3D+96.30+%C2%B1+2.78%25)+in+Farm+Land+(FL)%2C+the+mosquitoes+that+emerged+from+this+site+were+the+smallest+(mean+WL+%3D+1.96+%C2%B1+0.51mm).+The+Natural+Vegetation+(NV)+land-use+category+was+the+least+productive%2C+as+the+larvae+took+the+longest+time+(13.29+%C2%B1+1.69+days)+to+develop%2C+and+survived+least+(42.94+%C2%B1+7.50%25)+in+this+site.+Conclusion%3A+The+land-use+practices+in+Minna+enhanced+the+fitness+of+An.+gambiae%2C+and+may+increase+the+vectorial+capacity+of+the+species+for+malaria+transmission+in+the+area.+Targeted+larviciding+interventions+will+greatly+contribute+to+malaria+control+efforts+in+Minna%2C+Nigeria.&rft.publisher=Dr.+B.S.+Kakkilaya&rft.contributor=Kakkilaya%2C+Dr.+Sriivas&rft.date=2009-02-25&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6390%2F1%2F2008-4-3.pdf&rft.identifier=++Olayemi%2C+Israel+Kayode++(2009)+Influence+of+Land-use+on+the+Fitness+of+Anopheles+gambiae%2C+the+Principal+Vector+of+Malaria+in+Nigeria.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6390%2F