the influence of wetlands and watershed geology on lake chemistry of five remote lakes in northwestern ontario
dc.contributor.advisor | lee, peter | |
dc.contributor.author | rogers, kyle | |
dc.date.accessioned | 2012-11-11t03:38:12z | |
dc.date.available | 2012-11-11t03:38:12z | |
dc.date.created | 2011-05 | |
dc.date.issued | 2012-11-10 | |
dc.identifier.uri | http://knowledgecommons.lakeheadu.ca/handle/2453/328 | |
dc.description.abstract | in chapter 1 of this study the relationship between spatial, chemical, and biological factors and their influence on mercury concentration s in walleye were examined. water, sediment, and fish tissue samples were collected in the summer of the 2008 from 5 lakes near aroland first nation, in nortwesthern, ontario, canada and analyzed for metals, mercury, ph, and alkalinity. arc gis was used to extract spatial data from base map s and digital elevation models, in order to calculate lake area, watershed area, and wetland area for each study lake. hg concentrations in fish tissue were compared between lakes using a standardized length using an ancov a. the test proved that a significant difference was present (p=o.oooo with 95% confidence intervals). walleye (sander vitreum) from melchett lake had the highest levels of mercury with a mean concentration of 0,5505ug/g, while e snagami had the lowest at 0.2228 ug/g. | en_us |
dc.language.iso | en_us | en_us |
dc.subject | mercury | en_us |
dc.subject | environmental aspects | en_us |
dc.subject | ontario, northwestern | en_us |
dc.subject | methylmercury | en_us |
dc.subject | walleye (fish) | en_us |
dc.subject | effect of water pollution on | en_us |
dc.subject | effect of metals on | en_us |
dc.subject | water chemistry | en_us |
dc.subject | geochemistry | en_us |
dc.title | the influence of wetlands and watershed geology on lake chemistry of five remote lakes in northwestern ontario | en_us |
dc.type | thesis | en_us |
etd.degree.name | master of science | en_us |
etd.degree.level | master | en_us |
etd.degree.discipline | biology | en_us |
etd.degree.grantor | 阿根廷vs墨西哥竞猜 | en_us |