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Record Title
Understanding and predicting mercury in Dehcho lakes, Northwest Territories
Related Information
Overview
Extents
Status
File Locations
Download Links
Section 1: Overview
Name of Research Project
Related Project
Part
Select first related project
AGPC: Adaptation Governance and Policy Changes in Relation to a Changing Moisture Regime
AWF: Agricultural Water Futures
BWF: Boreal Water Futures
CPE: Climate-Related Precipitation Extremes
CCIWQT: Co-Creation of Indigenous Water Quality Tools
CMFWF: Collaborative Modelling Framework for Water Futures
CWS: Crowdsourcing Water Science
DMHMU: Diagnosing and Mitigating Hydrologic Model Uncertainty in High-Latitude Canadian Watersheds
EIMLL: Evaluation of Ice Models in Large Lakes
FISHNET: FIShNET (Fish & IndigenouS NorthErn healTh): Healthy Water, Healthy Fish, Healthy People
FORMBLOOM: Forecasting Tools and Mitigation Options for Diverse Bloom-Affected Lakes
GWC: Global Water Citizenship (Integrating Networked Citizens, Scientists and Local Decision Makers)
HPFS: Hydrological Processes in Frozen Soils
IEWE: Improved Estimates of Wetland Evaporation
IMPC: Integrated Modelling Program for Canada
IWGD: Is our Water Good to Drink? Water-Related Practices, Perceptions and Traditional Knowledge Indicators for Human Health
LF: Lake Futures
LMSAER: Linking Multiple Stressors to Adverse Ecological Responses Across Watersheds
LSNPM: Linking Stream Network Process Models to Robust Data Management Systems (for the Purpose of Land-Use Decision Support)
LWGC: Linking Water Governance in Canada to Global Economic, Social, and Political Drivers
MATWF: Matawa Water Futures: Developing an Indigenous-Informed Framework for Watershed Monitoring and Stewardship
MWF: Mountain Water Futures
NGS: Next Generation Solutions for Healthy Water Resources
NWF: Northern Water Futures
OIEKTC: Ohneganos - Indigenous Ecological Knowledge, Training and Co-Creation of Mixed Method Tools
OMNSHCGP: Old Meets New: Subsurface Hydrological Connectivity and Groundwater Protection
OCFM: Developing 'Omic' and Chemical Fingerprinting Methodologies
PDG: Prairie Drainage Governance
PW: Prairie Water
SAMMS: Sub-Arctic Metal Mobility Study
SSSWQM: Sensors and Sensing Systems for Water Quality Monitoring
SDEPFC: Short-Duration Extreme Precipitation in Future Climate
SGDHM: Significance of Groundwater Dynamics within Hydrologic Models
SFWF: Southern Forests Water Futures
SPADE: Storms and Precipitation Across the Continental Divide Experiment
TSTSW: Transformative Sensor Technologies and Smart Watersheds
WKC: Water knowledge camps: building capacity for cross-cultural water knowledge, research, and environmental monitoring
WNM: We Need More than Just Water: Assessing Sediment Limitation in a Large Freshwater Delta
WSPT: Winter Soil Processes in Transition
Other
Select second related project (if applicable)
AGPC: Adaptation Governance and Policy Changes in Relation to a Changing Moisture Regime
AWF: Agricultural Water Futures
BWF: Boreal Water Futures
CPE: Climate-Related Precipitation Extremes
CCIWQT: Co-Creation of Indigenous Water Quality Tools
CMFWF: Collaborative Modelling Framework for Water Futures
CWS: Crowdsourcing Water Science
DMHMU: Diagnosing and Mitigating Hydrologic Model Uncertainty in High-Latitude Canadian Watersheds
EIMLL: Evaluation of Ice Models in Large Lakes
FISHNET: FIShNET (Fish & IndigenouS NorthErn healTh): Healthy Water, Healthy Fish, Healthy People
FORMBLOOM: Forecasting Tools and Mitigation Options for Diverse Bloom-Affected Lakes
GWC: Global Water Citizenship (Integrating Networked Citizens, Scientists and Local Decision Makers)
HPFS: Hydrological Processes in Frozen Soils
IEWE: Improved Estimates of Wetland Evaporation
IMPC: Integrated Modelling Program for Canada
IWGD: Is our Water Good to Drink? Water-Related Practices, Perceptions and Traditional Knowledge Indicators for Human Health
LF: Lake Futures
LMSAER: Linking Multiple Stressors to Adverse Ecological Responses Across Watersheds
LSNPM: Linking Stream Network Process Models to Robust Data Management Systems (for the Purpose of Land-Use Decision Support)
LWGC: Linking Water Governance in Canada to Global Economic, Social, and Political Drivers
MATWF: Matawa Water Futures: Developing an Indigenous-Informed Framework for Watershed Monitoring and Stewardship
MWF: Mountain Water Futures
NGS: Next Generation Solutions for Healthy Water Resources
NWF: Northern Water Futures
OIEKTC: Ohneganos - Indigenous Ecological Knowledge, Training and Co-Creation of Mixed Method Tools
OMNSHCGP: Old Meets New: Subsurface Hydrological Connectivity and Groundwater Protection
OCFM: Developing 'Omic' and Chemical Fingerprinting Methodologies
PDG: Prairie Drainage Governance
PW: Prairie Water
SAMMS: Sub-Arctic Metal Mobility Study
SSSWQM: Sensors and Sensing Systems for Water Quality Monitoring
SDEPFC: Short-Duration Extreme Precipitation in Future Climate
SGDHM: Significance of Groundwater Dynamics within Hydrologic Models
SFWF: Southern Forests Water Futures
SPADE: Storms and Precipitation Across the Continental Divide Experiment
TSTSW: Transformative Sensor Technologies and Smart Watersheds
WKC: Water knowledge camps: building capacity for cross-cultural water knowledge, research, and environmental monitoring
WNM: We Need More than Just Water: Assessing Sediment Limitation in a Large Freshwater Delta
WSPT: Winter Soil Processes in Transition
Other
Select third related project (if applicable)
AGPC: Adaptation Governance and Policy Changes in Relation to a Changing Moisture Regime
AWF: Agricultural Water Futures
BWF: Boreal Water Futures
CPE: Climate-Related Precipitation Extremes
CCIWQT: Co-Creation of Indigenous Water Quality Tools
CMFWF: Collaborative Modelling Framework for Water Futures
CWS: Crowdsourcing Water Science
DMHMU: Diagnosing and Mitigating Hydrologic Model Uncertainty in High-Latitude Canadian Watersheds
EIMLL: Evaluation of Ice Models in Large Lakes
FISHNET: FIShNET (Fish & IndigenouS NorthErn healTh): Healthy Water, Healthy Fish, Healthy People
FORMBLOOM: Forecasting Tools and Mitigation Options for Diverse Bloom-Affected Lakes
GWC: Global Water Citizenship (Integrating Networked Citizens, Scientists and Local Decision Makers)
HPFS: Hydrological Processes in Frozen Soils
IEWE: Improved Estimates of Wetland Evaporation
IMPC: Integrated Modelling Program for Canada
IWGD: Is our Water Good to Drink? Water-Related Practices, Perceptions and Traditional Knowledge Indicators for Human Health
LF: Lake Futures
LMSAER: Linking Multiple Stressors to Adverse Ecological Responses Across Watersheds
LSNPM: Linking Stream Network Process Models to Robust Data Management Systems (for the Purpose of Land-Use Decision Support)
LWGC: Linking Water Governance in Canada to Global Economic, Social, and Political Drivers
MATWF: Matawa Water Futures: Developing an Indigenous-Informed Framework for Watershed Monitoring and Stewardship
MWF: Mountain Water Futures
NGS: Next Generation Solutions for Healthy Water Resources
NWF: Northern Water Futures
OIEKTC: Ohneganos - Indigenous Ecological Knowledge, Training and Co-Creation of Mixed Method Tools
OMNSHCGP: Old Meets New: Subsurface Hydrological Connectivity and Groundwater Protection
OCFM: Developing 'Omic' and Chemical Fingerprinting Methodologies
PDG: Prairie Drainage Governance
PW: Prairie Water
SAMMS: Sub-Arctic Metal Mobility Study
SSSWQM: Sensors and Sensing Systems for Water Quality Monitoring
SDEPFC: Short-Duration Extreme Precipitation in Future Climate
SGDHM: Significance of Groundwater Dynamics within Hydrologic Models
SFWF: Southern Forests Water Futures
SPADE: Storms and Precipitation Across the Continental Divide Experiment
TSTSW: Transformative Sensor Technologies and Smart Watersheds
WKC: Water knowledge camps: building capacity for cross-cultural water knowledge, research, and environmental monitoring
WNM: We Need More than Just Water: Assessing Sediment Limitation in a Large Freshwater Delta
WSPT: Winter Soil Processes in Transition
Other
Select fourth related project (if applicable)
AGPC: Adaptation Governance and Policy Changes in Relation to a Changing Moisture Regime
AWF: Agricultural Water Futures
BWF: Boreal Water Futures
CPE: Climate-Related Precipitation Extremes
CCIWQT: Co-Creation of Indigenous Water Quality Tools
CMFWF: Collaborative Modelling Framework for Water Futures
CWS: Crowdsourcing Water Science
DMHMU: Diagnosing and Mitigating Hydrologic Model Uncertainty in High-Latitude Canadian Watersheds
EIMLL: Evaluation of Ice Models in Large Lakes
FISHNET: FIShNET (Fish & IndigenouS NorthErn healTh): Healthy Water, Healthy Fish, Healthy People
FORMBLOOM: Forecasting Tools and Mitigation Options for Diverse Bloom-Affected Lakes
GWC: Global Water Citizenship (Integrating Networked Citizens, Scientists and Local Decision Makers)
HPFS: Hydrological Processes in Frozen Soils
IEWE: Improved Estimates of Wetland Evaporation
IMPC: Integrated Modelling Program for Canada
IWGD: Is our Water Good to Drink? Water-Related Practices, Perceptions and Traditional Knowledge Indicators for Human Health
LF: Lake Futures
LMSAER: Linking Multiple Stressors to Adverse Ecological Responses Across Watersheds
LSNPM: Linking Stream Network Process Models to Robust Data Management Systems (for the Purpose of Land-Use Decision Support)
LWGC: Linking Water Governance in Canada to Global Economic, Social, and Political Drivers
MATWF: Matawa Water Futures: Developing an Indigenous-Informed Framework for Watershed Monitoring and Stewardship
MWF: Mountain Water Futures
NGS: Next Generation Solutions for Healthy Water Resources
NWF: Northern Water Futures
OIEKTC: Ohneganos - Indigenous Ecological Knowledge, Training and Co-Creation of Mixed Method Tools
OMNSHCGP: Old Meets New: Subsurface Hydrological Connectivity and Groundwater Protection
OCFM: Developing 'Omic' and Chemical Fingerprinting Methodologies
PDG: Prairie Drainage Governance
PW: Prairie Water
SAMMS: Sub-Arctic Metal Mobility Study
SSSWQM: Sensors and Sensing Systems for Water Quality Monitoring
SDEPFC: Short-Duration Extreme Precipitation in Future Climate
SGDHM: Significance of Groundwater Dynamics within Hydrologic Models
SFWF: Southern Forests Water Futures
SPADE: Storms and Precipitation Across the Continental Divide Experiment
TSTSW: Transformative Sensor Technologies and Smart Watersheds
WKC: Water knowledge camps: building capacity for cross-cultural water knowledge, research, and environmental monitoring
WNM: We Need More than Just Water: Assessing Sediment Limitation in a Large Freshwater Delta
WSPT: Winter Soil Processes in Transition
Other
Select fifth related project (if applicable)
AGPC: Adaptation Governance and Policy Changes in Relation to a Changing Moisture Regime
AWF: Agricultural Water Futures
BWF: Boreal Water Futures
CPE: Climate-Related Precipitation Extremes
CCIWQT: Co-Creation of Indigenous Water Quality Tools
CMFWF: Collaborative Modelling Framework for Water Futures
CWS: Crowdsourcing Water Science
DMHMU: Diagnosing and Mitigating Hydrologic Model Uncertainty in High-Latitude Canadian Watersheds
EIMLL: Evaluation of Ice Models in Large Lakes
FISHNET: FIShNET (Fish & IndigenouS NorthErn healTh): Healthy Water, Healthy Fish, Healthy People
FORMBLOOM: Forecasting Tools and Mitigation Options for Diverse Bloom-Affected Lakes
GWC: Global Water Citizenship (Integrating Networked Citizens, Scientists and Local Decision Makers)
HPFS: Hydrological Processes in Frozen Soils
IEWE: Improved Estimates of Wetland Evaporation
IMPC: Integrated Modelling Program for Canada
IWGD: Is our Water Good to Drink? Water-Related Practices, Perceptions and Traditional Knowledge Indicators for Human Health
LF: Lake Futures
LMSAER: Linking Multiple Stressors to Adverse Ecological Responses Across Watersheds
LSNPM: Linking Stream Network Process Models to Robust Data Management Systems (for the Purpose of Land-Use Decision Support)
LWGC: Linking Water Governance in Canada to Global Economic, Social, and Political Drivers
MATWF: Matawa Water Futures: Developing an Indigenous-Informed Framework for Watershed Monitoring and Stewardship
MWF: Mountain Water Futures
NGS: Next Generation Solutions for Healthy Water Resources
NWF: Northern Water Futures
OIEKTC: Ohneganos - Indigenous Ecological Knowledge, Training and Co-Creation of Mixed Method Tools
OMNSHCGP: Old Meets New: Subsurface Hydrological Connectivity and Groundwater Protection
OCFM: Developing 'Omic' and Chemical Fingerprinting Methodologies
PDG: Prairie Drainage Governance
PW: Prairie Water
SAMMS: Sub-Arctic Metal Mobility Study
SSSWQM: Sensors and Sensing Systems for Water Quality Monitoring
SDEPFC: Short-Duration Extreme Precipitation in Future Climate
SGDHM: Significance of Groundwater Dynamics within Hydrologic Models
SFWF: Southern Forests Water Futures
SPADE: Storms and Precipitation Across the Continental Divide Experiment
TSTSW: Transformative Sensor Technologies and Smart Watersheds
WKC: Water knowledge camps: building capacity for cross-cultural water knowledge, research, and environmental monitoring
WNM: We Need More than Just Water: Assessing Sediment Limitation in a Large Freshwater Delta
WSPT: Winter Soil Processes in Transition
Other
Dataset Title
Understanding and predicting mercury in Dehcho lakes, Northwest Territories
Creators
Purpose
In this project, we are aiming to understand how landscape, lake, and fish ecology explain variation in fish mercury (Hg levels). Our results will identify critical variables for future cumulative impact monitoring, and enable more informed predictions of how fish Hg levels in the Dehcho region will respond to continued environmental change. Decision-makers will use our results to develop long-term monitoring strategies, identify lakes that are most vulnerable to future increases in fish Hg levels, refine consumption advisories, and identify lakes with the safest and healthiest sources of food fish. This data set is collected to support the project titled “Northern Water Futures, Objective 2". Northern Water Futures is a Pillar 3 project under the Global Water Futures Program funded by Canada First Research Excellence Fund
Abstract
Samples/data collected by joint University-community monitor team during on the land camps in 2018-2020. Data Collection: a. Fish (15-20 individuals/species, up to 4 food fish species/lake: captured with gill nets and dissected) • Mercury concentration in fish flesh, stable isotopes of carbon and nitrogen in fish flesh, fish age. b. Benthic Invertebrates and sediments (min. 3 samples/taxa at 5 sites/lake) • Profundal and littoral invertebrates collected with Ekman dredges and kick nets; • Samples coarsely sorted in the field to Order, divided in half, and: i) preserved in ethanol for taxonomic identification; ii) frozen for stable isotope and total and methyl Hg analysis; • Sediments collected with an Ekman dredge, frozen for analysis of Hg and MeHg. c. Zooplankton (min. 3 sample/size fraction at 3 sites/lake) • Collected with vertical tows, size-fractioned in the field; • Half of each size fraction preserved in ethanol for community composition analysis, other half frozen for stable isotope and total and methyl Hg analysis. d. Water (min. 3 sites/lake – top and bottom) • Filtered and unfiltered water samples collected from each lake, and from influent streams and wetlands. Ultra-trace sampling methods used for mercury. e. Abiotic • Catchment size and slope, lake area and volume, % wetlands and hydrology in catchment, underlying geology determined using GIS. Laboratory Analysis: a. Standard water chemistry: University of Alberta (ions, nutrients, chlorophyll-a); b. Total and methyl mercury analyses: Western University (ISO-accredited); c. Stable isotope ratios of carbon and nitrogen: University of Waterloo; d. Fish age: AAE Tech (Manitoba).
Keywords
Citations
Swanson, H., and Low, G. (2019). Understanding and predicting mercury in Dehcho lakes, Northwest Territories. Waterloo, Canada: Canadian Cryospheric Network (CCIN). Unpublished Data.
Section 2: Extents
Geographic Bounding Box
West Boundary Longitude
East Boundary Longitude
North Boundary Latitude
South Boundary Latitude
Temporal Extent
Begin Date
End Date
Basin
Section 3: Status
Dataset Version
Dataset Creation Date
Status of data collection/production
Planned
In Progress
Abandoned
Complete
Dataset Completion or Abandonment Date
Creation Software
Total Size of all Dataset Files (GB)
Notes
https://www.polardata.ca/pdcsearch/PDCSearchDOI.jsp?doi_id=13080
Section 4: File Locations
Repository (e.g., FRDR, Dataverse, GitHub)
Current File Locations
Section 5: Download Links
Download Links and/or Instructions
Do these data have access restrictions
No restriction (Data is currently open to public)
Limited (Data is currently under embargo until publication)
Limited (data involve intellectual property issues related to local or traditional knowledge)
Limited (release of data may cause harm to the environment or the public)
Limited (Pre-existing data have been used and are subject to access restrictions)
Limited: data involve human subjects
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