12 record(s) found with the tag "biomass" (multi-year projects are grouped):
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A21 De-Fishing Program
Principal Investigator: Wells, David A
Licenced Year(s): 2017
Summary: The purpose of this project is to remove the majority of fish from within the A21 dike and transfer into Lac de Gras to allow for dewatering and construction to occur. The General Fish-out Protocol separates fishing effort into two phases. The Phase 1 fishing effort will begin with short duration gill nets and trap nets to target live release of fish into Lac de Gras. Fish captured will be tran...


Satellite Monitoring for Assessing Resource Developmentā€™s Impact on Bathurst Caribou (SMART)
Principal Investigator: Chen, Wenjun
Licenced Year(s): 2015
Summary: We have two specific objectives over the next three years: 1) to improve the understanding of the mechanisms responsible for the zone of influence (ZOI) from resource development disturbed areas in the Bathurst caribou habitat, and their relationships with caribou habitat use and productivity, by integrating traditional knowledge, field surveys, and remote sensing technology; and, 2) to investig...


Carbon Cycling Linkages of Permafrost Systems [CYCLOPS]
Principal Investigator: Williams, Mathew
Licenced Year(s): 2014 2013 2012
Summary: The aim of the proposed project is to develop, parameterize and evaluate a detailed process-based model of vegetation soil- permafrost interactions using data collected through directed field campaigns in the discontinuous and sporadic permafrost zones of western Canada. The research team will (i) elucidate the role of plant biodiversity in controlling permafrost status in contrasting ecosystems w...


Mapping and Modeling Carbon Flux in Northern Canada Related to Land Use Change
Principal Investigator: Chen, Wenjun
Licenced Year(s): 2005 2004
Summary: The research team is working to become familiar with the impact of human disturbances on vegetation in northern Canada for their carbon studies. The objective of this study is to collect vegetation and biophysical data for use as verification of ground cover type and disturbance for use in satellite imagery classification and biomass and soil sampling for carbon modeling along the Ingraham Trail....


Carbon Dynamics in Chronosequence of Boreal Forest Ecosystems: a Production Ecological Approach
Principal Investigator: Osawa, Akira
Licenced Year(s): 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001
Summary: Northern forests are closely connected to the issue of global warming because they are likely to absorb much of the carbon dioxide that is emitted into the air by humans. The amount that these forests absorb, however, is not clear. The research team will...


Distribution of Dark-Celled Fungal Root Endophytes Along an Arctic to Boreal Latitudinal Gradient
Principal Investigator: Piercey, Melissa
Licenced Year(s): 2000
Summary: Roots of plants inhabiting cold-stressed environments are often colonized by vegetatively reproducing fungi. The researcher will examine the genetic variation within and among populations of Phialocephala fortinii P. along a latitudinal gradient encompassing the boreal, subarctic and arctic zones in Northern Canada. The researcher will travel from Yellowknife to 3 study sites surrounding Great ...


The Effects of UV-B Radiation On the Community of Arctic Lakes
Principal Investigator: Perin, Sofia
Licenced Year(s): 1994
Summary: This study will be done by setting up 6 enclosures in a lake or pond. Two enclosures will be exposed to reduced UV-B levels, two other enclosures will be exposed to ambient UV-B levels, and finally two other enclosures will be exposed to enhanced UV-B levels. Regular measurements will be made of algae and invertebrates biomass, species composition, and pigment; and of algal photosynthesis and end ...


Limnology of Lake Hazen: Fish, Atmospheric Pollution and Climate History
Principal Investigator: Brunskill, Gregg
Licenced Year(s): 1991 1990
Summary: Sediment samples from Hazen Lake will help scientist understand the global movement of airborn pollutants. In addition, various species of the Lake Hazen biomass will be collected and analyzed to determine if atmoshperic pollutants are present....


The Creation and Utilization of an Artifical Reef in the Churchill Region
Principal Investigator: Thornton, Sheila
Licenced Year(s): 1990
Summary: The Researcher will create an artifical reef in the Churchill region and develop an arctic ecosystem study site. She will create a species inventory which will involve benthic sampling using SCUBA gear. Species include benthic marine invertebrates, fish and pelagic invertebrates found in 0-20 metres of water....


Biomass estimates for the North American boreal forest
Principal Investigator: Simpson, Lloyd G.
Licenced Year(s): 1988 1987
Summary: Dr. Simpson and his crew will be travelling along the NWT highway system measuring trees and shrubs in the forest. This information will be used to estimate the amount of living material in the boreal forest....


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