The effect of cattle grazing in riparian areas on winter biodiversity and ecology

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dc.contributor.authorFranz, Simone
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorHurly, T. Andrew
dc.date.accessioned2011-08-19T19:21:18Z
dc.date.available2011-08-19T19:21:18Z
dc.date.issued2009
dc.degree.levelMasters
dc.descriptionx, 118 leaves ; 29 cmen_US
dc.description.abstractLivestock grazing in riparian habitats alters the vegetation structure, which has a detrimental effect on wildlife. This study examined the effect of cattle grazing in riparian habitats on winter bird biodiversity, small mammal biodiversity, and microclimate. Study sites were ungrazed, moderately grazed, and heavily grazed riparian habitats along the Oldman River, Alberta during winter 2005 and 2006. Bird species richness, individual abundance, and diversity indices were higher in ungrazed habitats than in grazed habitats. Deer mouse population sizes were not different except during spring 2006, when populations were larger in ungrazed sites. Microclimate data were collected in riparian sites and upland sites in winter 2006. Temperatures were higher and wind speeds were slower in riparian sites than in upland sites. Wind speeds were faster in heavily grazed riparian sites than in lightly grazed sites. Faster winds in heavily grazed sites may account for the decreased winter biodiversity in these habitats.en_US
dc.identifier.urihttps://hdl.handle.net/10133/2516
dc.language.isoen_USen_US
dc.publisherLethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2009en_US
dc.publisher.departmentDepartment of Biological Sciencesen_US
dc.publisher.facultyArts and Scienceen_US
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en_US
dc.subjectRiparian plants -- Effect of grazing on -- Alberta -- Oldman Riveren_US
dc.subjectRiparian ecology -- Alberta -- Oldman Riveren_US
dc.subjectCattle -- Control -- Environmental aspects -- Alberta -- Oldman Riveren_US
dc.subjectBiodiversity -- Alberta -- Oldman Riveren_US
dc.subjectDissertations, Academicen_US
dc.titleThe effect of cattle grazing in riparian areas on winter biodiversity and ecologyen_US
dc.typeThesisen_US
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