Transmission lines as tall-grass prairie habitats: local mowing, spraying, and surrounding urbanization as determinants of wildlife richness and abundance

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dc.contributor.authorLeston, Lionel
dc.contributor.examiningcommitteeGalloway, Terry (Entomology) Johnson, Douglas (Natural Resources Institute) Brigham, Mark (Biology, University of Regina)en_US
dc.contributor.supervisorKoper, Nicola (Natural Resources Institute) Manseau, Micheline (Natural Resources Institute)en_US
dc.date.accessioned2013-06-27T19:44:08Z
dc.date.available2013-06-27T19:44:08Z
dc.date.issued2013-06-27
dc.degree.disciplineNatural Resources Managementen_US
dc.degree.levelDoctor of Philosophy (Ph.D.)en_US
dc.description.abstractTo manage underused urban grassy spaces like transmission lines as tall-grass prairie habitats or other endangered ecosystems, ecologists need to know how mowing, spraying and surrounding urban lands affect species richness and numbers of plants and animals along transmission lines. I conducted surveys along 48 transmission lines in Winnipeg, Manitoba in 2007-2009 to answer these questions, and I concluded that mowing and spraying should be reduced, but not eliminated, to increase butterflies and other arthropods, resources for butterflies and other arthropods, and arthropod prey for birds. However, the amount of nearby urban land reduced plant species richness and grassland bird abundance along lines more strongly than mowing or spraying, suggesting that lines with less nearby urban land should be selected for management as grassland bird habitats. Mowing and spraying can then be reduced along these lines to benefit other species, enabling urban lands like transmission lines to contribute to conservation.en_US
dc.description.noteOctober 2013en_US
dc.identifier.urihttp://hdl.handle.net/1993/21689
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjecturbanizationen_US
dc.subjectprairieen_US
dc.subjectbiodiversityen_US
dc.subjectmowingen_US
dc.subjecttransmissionen_US
dc.subjectwildlifeen_US
dc.subjectexperimenten_US
dc.titleTransmission lines as tall-grass prairie habitats: local mowing, spraying, and surrounding urbanization as determinants of wildlife richness and abundanceen_US
dc.typedoctoral thesisen_US
local.subject.manitobayesen_US
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