Response of Zooplankton Community of Lake Winnipeg to Environmental Changes

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dc.contributor.authorKamada, Daigo
dc.contributor.examiningcommitteeRoth, James (Biological Sciences) Paterson, Michael (Entomology)en_US
dc.contributor.supervisorHann, Brenda J. (Biological Sciences)en_US
dc.date.accessioned2012-12-18T21:06:23Z
dc.date.available2012-12-18T21:06:23Z
dc.date.issued2012-12-18
dc.degree.disciplineBiological Sciencesen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractLake Winnipeg has been subject to intense eutrophication and invasive species such as Rainbow Smelt and Eubosmina coregoni for the last 40 years. This study demonstrated significant increases in total phosphorus, total nitrogen, chlorophyll-a, overall zooplankton abundance, and specifically Cladocera, between 1969 and the first decade of the 21st century. There were specific basin differences in the long-term changes of the Cladocera community, with the species Chydorus sphaericus and Ceriodaphnia quadrangula negatively affected by high levels of phosphorus, nitrogen and chlorophyll-a. Moreover, long-term change in the Cladocera community composition and abundance throughout the years (1969-2011) during summer was correlated with intensifying eutrophication. Additionally, weak diel vertical migration in the zooplankton community was observed for the first time in Lake Winnipeg.en_US
dc.description.noteFebruary 2013en_US
dc.identifier.urihttp://hdl.handle.net/1993/13702
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectZooplanktonen_US
dc.subjectLake Winnipegen_US
dc.subjectEutrophicationen_US
dc.subjectDiel Vertical Migrationen_US
dc.subjectEnvironmental stressorsen_US
dc.subjectCladoceraen_US
dc.subjectCopepoden_US
dc.subjectPredation Pressureen_US
dc.subjectNitrogenen_US
dc.subjectPhosphorusen_US
dc.subjectInvasive Speciesen_US
dc.subjectAlgal Bloomsen_US
dc.subjectCyanobacteriaen_US
dc.titleResponse of Zooplankton Community of Lake Winnipeg to Environmental Changesen_US
dc.typemaster thesisen_US
local.subject.manitobayesen_US
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