Landscape and biodiversity change in the Willmore Wilderness Park through repeat photography

dc.contributor.authorFortin, Julie
dc.contributor.supervisorHiggs, Eric
dc.date.accessioned2018-04-30T16:48:40Z
dc.date.copyright2018en_US
dc.date.issued2018-04-30
dc.degree.departmentSchool of Environmental Studiesen_US
dc.degree.levelMaster of Science M.Sc.en_US
dc.description.abstractRepeat photography, the process of retaking an existing photograph from the same vantage point, can give insight into long-term land cover dynamics. I advance the use of repeat photography to quantify landscape change in two ways: first, I demonstrate that rigorous field and post-processing methods can lead to highly accurate co-registration of images; second, I show that oblique photographs can provide land cover composition information similar to conventional satellite (Landsat) imagery for dominant land cover types, and that oblique photographs are better at resolving narrow or steep landscape features. I then present a novel approach to evaluate long-term biodiversity change using repeat photography: I measure land cover composition in 46 historical and modern photograph pairs in the Willmore Wilderness Park, Alberta, Canada, and use that land cover information as input into species-habitat models to predict the probability of occurrence of 15 songbird species. I show that coniferous forest cover increased over the past century, leading to a homogenization of the landscape which increased the probability of occurrence of forest-adapted species but negatively impacted non-forest-adapted species.en_US
dc.description.embargo2019-04-18
dc.description.scholarlevelGraduateen_US
dc.identifier.urihttp://hdl.handle.net/1828/9296
dc.languageEnglisheng
dc.language.isoenen_US
dc.rightsAvailable to the World Wide Weben_US
dc.subjectRepeat photographyen_US
dc.subjectWillmore Wilderness Parken_US
dc.subjectLand cover changeen_US
dc.subjectSongbird diversityen_US
dc.titleLandscape and biodiversity change in the Willmore Wilderness Park through repeat photographyen_US
dc.typeThesisen_US

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