6 dossier(s) trouvé(s) portant l’étiquette "risk assessment" (les projets pluriannuels sont regroupés):
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Effects of permafrost disturbances on terrestrial and aquatic ecosystems, Banks Island, NWT, Canada
chercheur principal: Lacelle, Denis
Année(s) de permis: 2015
Résumé: Thaw slumps are one of the most dramatic thermokarst features in permafrost regions. The number of thaw slumps on Banks Island has more than tripled in recent decades and it is likely that this change is altering terrestrial and aquatic ecosystems. This multidisciplinary research project investigates the short- (1960s-present day) and long-term (Medieval Warm Period to today) impacts of permafrost...


The cumulative impacts of rapid environmental change in the northwestern NWT: Investigating the impacts of mega-slump disturbances on terrestrial and aquatic ecosystems in the lower Peel watershed, NW
chercheur principal: Lacelle, Denis
Année(s) de permis: 2013 2012
Résumé: This is a multidisciplinary project involving communities, governments and academic researchers. The goals are to: 1) inventory and track broad scale changes in landscape disturbances; 2) determine the impacts of natural and anthropogenic disturbances on the physical and chemical characteristics and ecology of streams and rivers; 3) determine disturbance thresholds relevant to the health of stream...


2005 Fish and Fish Habitat Surveys for the Nailii Hydro Project
chercheur principal: Buckland, Laurie L
Année(s) de permis: 2005
Résumé: The Wha Ti Charter Community proposes to develop a run-of-river hydro facility on the La Martre river. The isolated community would like to replace its current diesel generator with a more sustainable, energy efficient and less costly system. An environm...


Using Tree Rings and Lake Sediment to Reconstruct Streamflow and Climate in the Northwest Territories
chercheur principal: Lamoureux, Scott F
Année(s) de permis: 2002
Résumé: The objective of the research is to supplement and extend instrumental climatological and hydrological records in the NWT using dendrochronology (tree-ring) and varved lake sediment analysis. Transportation to the site will be by charter aircraft from Fo...


Water, Sediment and Fish Testing of Marian River system
chercheur principal: Nevitt, Zabey
Année(s) de permis: 1999 1998
Résumé: For many years the Dogrib have trapped and fished in and around the Marian River. There are concerns that contaminants are entering the river system. Some of the concerns include: effects on health from eating fish and effects on heath from drinking water. Field collection will take place over two days. The team will travel by canoe from Rae. Seven fish will be caught by members of the community f...


Mercury Concentration of Two Lakes on the Yellowknife River System Affected by the Bluefish Hydrodam
chercheur principal: Puznicki, Wayne
Année(s) de permis: 1997
Résumé: The objective of the study is to assess the concentration of mercury in fish, water and sediment in Bluefish and Duncan Lakes; to provide information to the Yellowknives Dene First Nation to make decisions relating to the use of fish and water from these lakes; and to correlate traditional knowledge with scientific data. Bluefish & Duncan Lakes are about 50 km to the northeast of Yellowknife. Tr...


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