18 record(s) found with the tag "environmental sensitivity index" (multi-year projects are grouped):
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Assessing the potential for Environmental Sensitivity Index mapping in the Arctic using Synthetic Aperture Radar
Principal Investigator: Duffe, Jason A
Licenced Year(s): 2012 2011 2010
Summary: The objectives of this research project are to: (1) fly oblique helicopter videography along the Beaufort Sea shoreline from the Alaska/Yukon border to the Northwest Territories/Nunavut border; (2) using conventional methods, interpret helicopter videography and create an Environmental Sensitivity Index map. This will consist of a vector shapefile of shoreline types; and (3) using satellite ra...


Sensitivities of high-latitude lakes to climatic & development disturbances
Principal Investigator: Prowse, Terry D
Licenced Year(s): 2008 2007 2006 2005
Summary: Melting permafrost can alter soils and surface runoff. The effects of such changes have been modeled but never evaluated experimentally. Arctic lake productivity is not well articulated and sensitivities to disturbance (e.g., climate change, water withdrawal for development use) remain unpredictable. The objective of this study is to develop a hydrologic model for melting permafrost conditions, as...


Travaillant Lake Fish Population Assessment 2006
Principal Investigator: Millar, Nathan P
Licenced Year(s): 2007 2006
Summary: The Travaillant Lake system is one of the most culturally and traditionally important areas within the Gwich'in Settlement Area (GSA). In recent years, in light of proposed industrial development and exploration that may threaten the aquatic environment within this system, Travaillant Lake has become a focus of fisheries-related studies that have attempted to collect information on biological char...


Distribution and Habitat Use of Sensitive Fish Species along the Mackenzie River Valley
Principal Investigator: Mochnacz, Neil
Licenced Year(s): 2006
Summary: The Mackenzie Gas Pipeline will cross more than 600 tributaries of the Mackenzie River, ranging from small (< 1 m) vegetated swales to large rivers. All construction methods, with the exception of trenchless drilling, will disturb the bed and banks of the rivers they cross. Fish habitat use and distribution has not been studied in sufficient detail. Fish will be captured and identified for spec...


Modeling of migratory patterns to spawning and over-wintering areas of harvested fish species in rivers along the Mackenzie Valley pipeline route
Principal Investigator: Tallman, Ross F
Licenced Year(s): 2006
Summary: The goal of this study is to gather information about fish and fish habitat to minimize and monitor impacts associated with the proposed Mackenzie Gas Pipeline. Broad whitefish, inconnu, arctic cisco and lake whitefish are the major fish species taken in subsistence fisheries in the Mackenzie Valley. These species are highly migratory and are targeted by multiple fisheries along their migration ro...


Biogeochemistry of Lakes in the Mackenzie Delta
Principal Investigator: Lesack, Lance
Licenced Year(s): 2016 2015 2014 2010 2009 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993
Summary: The long-term goal of this project is to develop a biogeochemical model for lakes in the Mackenzie Delta, and ultimately, a more general ecosystem model for floodplains and deltas of major world rivers that will help assess the effects of multiple stresses on rivers resulting from global change. Numerous major river deltas in the Arctic circumpolar region are lake-rich because of thermokarst effec...


Population abundance and vital rates of fish harvested from lakes along the Mackenzie Valley pipeline route – Loon Lake 2005
Principal Investigator: Toyne, Melanie J
Licenced Year(s): 2005
Summary: The proposed Mackenzie natural gas pipeline route crosses Loon River, which connects Loon Lake to the Mackenzie River. It is important to collect information on fish species in Loon Lake to compared with after the proposed pipeline is built to determine if any changes have occured. All field crew transported to Loon Lake via North-Wright twin otter floatplane. Crew will set nets to catch fish an...


Pemafrost and Sump Investigations in the Mackenzie Delta Region
Principal Investigator: Kokelj, Steven V
Licenced Year(s): 2004 2003 2002 2001 2000 2000 1999
Summary: This research will investigate: A) the physical and chemical characteristics of permafrost in the Mackenzie Delta region to identify areas of ice-rich permafrost or thaw sensitive terrain. Second; B) the effect of permafrost degradation on water quality...


2003 Terrestrial Studies in the Deh Cho Region
Principal Investigator: Povey, Andrew
Licenced Year(s): 2004 2003 2002
Summary: These terrestrial studies will include vegetation and soils investigations. The primary goals are to classify vegetation, landforms, soils and permafrost in the project area, to identify locations of rare plants and uncommon plant communities, and to co...


2003 Terrestrial Studies in the Sahtu Settlement Area
Principal Investigator: Povey, Andrew
Licenced Year(s): 2005 2004 2003 2002
Summary: These terrestrial studies will include vegetation and soils investigations. The primary goals are to classify vegetation, landforms, soils and permafrost in the project area, to identify locations of rare plants and uncommon plant communities, and to co...


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