Spatial distribution of the nutrient plume emanating from an Integrated Multi-Trophic Aquaculture (IMTA) farm in British Columbia: use of an in-situ kelp bioassay to monitor nutrient loading.

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dc.contributor.authorPrussin, Emrys Adain
dc.contributor.supervisorCross, Stephen Fredrick
dc.date.accessioned2012-05-25T22:55:00Z
dc.date.available2012-05-25T22:55:00Z
dc.date.copyright2012en_US
dc.date.issued2012-05-25
dc.degree.departmentDepartment of Geography
dc.degree.levelMaster of Science M.Sc.en_US
dc.description.abstractTo assess the spatial distribution of nutrient wastes around an open-water integrated fish/mollusk/kelp farm in-situ kelp bioassays were employed. Growth rates were measured over a four-month growing season and used as a proxy for relative nutrient concentrations. Seasonality and depth effects on growth rate were also assessed. Growth around the pens was 0.20 cm • day-1 higher than at the control, and reached a maximum of 1.4 cm • day-1. Optimal growth was achieved at 8 m. Growth at 8 m was significantly higher by 1.5 cm • day-1 compared to surface waters at 2 m. Early spring had the highest growth rates with a peak of 1.4 cm • day-1 recorded on June 21. This study re-iterates the fundamental benefits of IMTA and shows the potential of in-situ assay as an alternative to error-prone and costly water sampling to asses nutrient status in water.en_US
dc.description.scholarlevelGraduateen_US
dc.identifier.urihttp://hdl.handle.net/1828/3998
dc.languageEnglisheng
dc.language.isoenen_US
dc.rights.tempAvailable to the World Wide Weben_US
dc.subjectIMTAen_US
dc.subjectIntegrated Multi-Trophic Aquacultureen_US
dc.subjectLaminaria saccharinaen_US
dc.subjectSaccharina latissimaen_US
dc.subjectBioremediationen_US
dc.subjectBiomonitoringen_US
dc.subjectEutrophicationen_US
dc.subjectKelpen_US
dc.subjectAquacultureen_US
dc.subjectSable Fishen_US
dc.subjectMusselsen_US
dc.subjectScallopsen_US
dc.subjectSea Cucumberen_US
dc.titleSpatial distribution of the nutrient plume emanating from an Integrated Multi-Trophic Aquaculture (IMTA) farm in British Columbia: use of an in-situ kelp bioassay to monitor nutrient loading.en_US
dc.typeThesisen_US

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