Ministry of Environment
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Report: Williston-Dinosaur Watershed Fish Mercury Investigation 2016 Report

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In 2015, the FWCP-Peace commissioned a multi-year, study to collect fish mercury data from the Parsnip, Peace, Finlay reaches of the reservoir, Dinosaur Reservoir and reference lakes. Results of this investigation will be used to assess the implications for the broader ecosystem and for human health, with the goal of 'updating' the fish consumption advisory, in partnership with health agencies, who are responsible for public health advisories.

Author:  Azimuth Consulting Group Partnership

Old Reference Number:  CO94394

Old Reference System:  FWCP Fish Wildlife Compensation Program - Peace

Date Published:  May 2017

Report ID:  52753

Audience:  Government and Public

The Fish and Wildlife Compensation Program (FWCP) - Peace Region carried out a strategic planning process in 2012-13 to review and identify future program priorities and actions in this region. Guided by a Strategic Planning Group (SPG), which included First Nations, academia, agencies, BC Hydro and members of the FWCP-Peace Board, Basin Action Plan was finalized in 2014. Objective 3a of the FWCP Peace Action Plan is to "Improve understanding of mercury concentrations, contamination pathways and potential effects on human health and the broader ecosystem." Initial efforts on this objective were commissioned by FWCP Peace in 2014 and identified the need to obtain updated information on fish mercury concentrations and consumption habits. In 2015, the FWCP-Peace commissioned a multi-year, study to collect fish mercury data from the Parsnip, Peace, Finlay reaches of the reservoir, Dinosaur Reservoir and reference lakes. Results of this investigation will be used to assess the implications for the broader ecosystem and for human health, with the goal of 'updating' the fish consumption advisory, in partnership with health agencies, who are responsible for public health advisories. Azimuth Consulting Group Partnership began this work in May 2016, assigning the scope of work into five tasks, ranging from First Nations involvement and training, collection of fish muscle samples for mercury analysis from discrete areas of the reservoir and liaison with communities to facilitate creel data collection. A summary of progress made on each task is summarized here, followed by a summary of technical findings related to meristics (length, weight, age), mercury concentrations and stable carbon and nitrogen isotopes in tissues, by fish species, within Williston Reservoir and relative to reference lakes.

Report Type
  Fish and Aquatic Habitat Information
 
Subject
  Fish Species - Bull Trout - Salvelinus confluentus
  Fish Species - Kokanee - Oncorhynchus nerka
  Fish Species - Lake Trout (Char) - Salvelinus namaycush
  Fish Species - Lake (Common) Whitefish - Coregonus clupeaformis
  Region - Peace
  Fish and Fish Habitat - Research
  Watershed Groups - 230 - Peace River
 


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