68 dossier(s) trouvé(s) portant l’étiquette "forestry" (les projets pluriannuels sont regroupés):
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Forest Health at a Gas Well Site near Fort Liard, NWT
chercheur principal: Enns, Katherine
Année(s) de permis: 2003
Résumé: This project will assess the sulphur dioxide impacts of a natural gas well production test on vegetation in complex, steep terrain and establish a biomonitoring system for tracking changes in vegetation health in the vicinity of a natural gas well. Well...


Forestry Research Projects in the Gwich'in Settlement Area: 1. Seismic Line Revegetation in the GSA
chercheur principal: Walker-Larsen, Jennifer
Année(s) de permis: 2003 2002 2001 2000
Résumé: Baseline data on the rate at which trees grow (productivity) and the time required for trees to re-establish (regeneration) following fires and human disturbances are required to determine forest sustainability and to understand how habitat changes over...


Forest Dynamics (Dispersal & Regeneration) at Treeline
chercheur principal: Trindade, Mariana
Année(s) de permis: 2003
Résumé: This study examines (1) the regeneration dynamics of White spruce in the Mackenzie Delta and Black spruce on seismic lines; (2) the potential for seeds to disperse on snow; (3) pollen dispersal; and (4) pollen production. Study sites in the Mackenzie D...


Dispersal of white spruce seeds and pollen/understory scarification in a mast year
chercheur principal: Greene, David F
Année(s) de permis: 2002
Résumé: The long distance dispersal of tree pollen and seeds is of considerable interest as we ask how fast plants can migrate in response to rapid climate change. Examination of seed dispersal will actually be based on looking at germinants (rather than seeds)...


2002 Terrestrial Studies in the Deh Cho Region
chercheur principal: Povey, Andrew
Année(s) de permis: 2004 2003 2002
Résumé: The vegetation component of the 2002 baseline studies will focus on completion of the vegetation typing surveys. Initially, a reconnaissance flight will be required along the study corridor. This flight will be used to identify sites for detailed sampling. Sites will be selected to represent the major ecological land units. Where possible, sample sites will be grouped to reduce helicopter time....


Vegetation, Forestry and Soils Surveys: Sahtu Settlement Area
chercheur principal: Bush, Dana
Année(s) de permis: 2001
Résumé: The BC Terrestrial Ecosystem Mapping inventory standard will be used to provide a uniform method of describing vegetation, soil and terrain based on air photo interpretation and field data collection. The sampling sites will be located on Crown Land contained within a 1 km corridor with 'bulges' in areas of special concern such as river crossings. Surveying sites accessed by helicopter, boat, veh...


Vegetation, Forestry and Soils Surveys: Gwich'in Settlement Area
chercheur principal: Bush, Dana
Année(s) de permis: 2001
Résumé: The BC Terrestrial Ecosystem Mapping inventory standard will be used to provide a uniform method of describing vegetation, soil and terrain based on air photo interpretation and field data collection. The sites will be contained within a 1 km corridor with 'bulges' in areas of special concern such as river crossings. Surveying sites accessed by helicopter, boat, vehicle and/or on foot. To avoid c...


Summer 2001 Vegetation, Forestry and Soil surveys in the Inuvialuit Settlement Region: Biophysical Baseline Studies in support of the Mackenzie Delta Gas Feasibility Study.
chercheur principal: Bush, Dana
Année(s) de permis: 2001
Résumé: The proposed vegetation, forestry and soil survey program involves surveying sites accessed by helicopter and boat. Due to traditional hunting activities along the northern edge of the Mackenzie Delta, the vegetation, forestry and soil survey will avoid the northern end of Kendall and Richards Islands during the harvest period. If it is necessary to enter this area prior to this time (in the even...


Ecophysiological Reconstruction of High Latitude Fossils
chercheur principal: Jagels, Richard
Année(s) de permis: 2000
Résumé: The NWT component of this study is to examine how the anatomical features of wood from the genus Larix, vary with changes in latitude. This will be compared to work done on Axel Heiberg Island, Nunavut where a fossil forest of mummified wood approximately 45 million years old was found. Certain features of wood can provide clues to assess winter temperatures but these features vary with latitude....


Analysis of Natural Thinning Processes in Mixed Species Forests.
chercheur principal: Osawa, Akira
Année(s) de permis: 2000
Résumé: The main objective of the proposed research is to collect extensive data of tree size and stand density from mixed forests of Jack pine and quaking aspen in Wood Buffalo National Park and to examine theoretically the patterns of quantitative forest development with special reference to the phenomenon of 'natural thinning' in even-aged forests. The research team consisting of forest ecologists will...


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