16 dossier(s) trouvé(s) portant l’étiquette "boreal forests" (les projets pluriannuels sont regroupés): Vous ne trouvez pas les résultats souhaités? Essayez la recherche avancée..
chercheur principal:Sonnentag, Oliver Année(s) de permis:
2022
20212019201720162015201420132013 Résumé:
This licence has been issued for the scientific research application No.5221.
The project is the continuation of year-round eddy covariance measurements of carbon, water and energy fluxes at Scotty Creek, established in 2013.
The key methodology is tower-mounted micrometeorological measurements around the eddy covariance technique using an open-path infra-red gas analyzer and a sonic anemome...
chercheur principal:Sonnentag, Oliver Année(s) de permis:20242023
2022
2021201920182018201720162015 Résumé:
This licence has been issued for the scientific research application No.5219.
Through this project the research group will address the following objectives: What is the net effect of permafrost thawing induced biophysical and biogeochemical feedbacks to the climate system? How do these two types of feedback differ between the sporadic and discontinuous permafrost zones? Is the reported decrease...
chercheur principal:Bourgeau-Chavez, Laura L. Année(s) de permis:
2019
Résumé:
The overall goal of the research is to improve understanding of the controls and impacts of a changing climate on the vulnerability and resiliency of boreal-taiga ecosystems to wildfire. This is being addressed through field sampling and process-based ecological and hydrological modeling of the 2014-2016 wildfires of southern NWT.
To conduct the proposed research, the research team will addres...
chercheur principal:Osawa, Akira Année(s) de permis:
2019
20182016201520132012201120102009200820072006 Résumé:
Objectives of the research are two-fold. First is to estimate structure, growth, and production of forest stands in northwestern Canada by applying a stand reconstruction and 3D ground-based laser techniques as well as stand measurement, aboveground litter collection, and find root sampling. Second is to examine the relationship between climate change in the high latitudinal regions and the patter...
chercheur principal:Osawa, Akira Année(s) de permis:
2017
20052004200320022001 Résumé:
The objectives of the research are two-fold. First is to estimate structure, growth, and production of forest stands in northwestern Canada by applying a stand reconstruction and 3D ground-based laser techniques as well as stand measurement, aboveground litter collection, and find root sampling. Second is to examine the relationship between climate change in the high latitudinal regions and the pa...
chercheur principal:Sonnentag, Oliver Année(s) de permis:20222021201920182017201620152014
2013
Résumé:
Through this project the research team will address the following objectives: What is the net effect of permafrost thawing-induced biophysical and biogeochemical feedbacks to the climate system? How do these two types of feedback differ between the discontinuous and continuous permafrost zones? Is the reported decrease (increase) in net CO2 (CH4) exchange based on plot- (<1m2) and ecosystem-scale ...
chercheur principal:Pisaric, Michael FJ Année(s) de permis:
2008
200720062005 Résumé:
The objective of this research is to study the impacts of climate change on boreal and aquatic ecosystems in the Mackenzie Delta region. By doing so, the researchers hope to gain a better understanding of the effects of long-term climate change on these ecosystems. Their study will utilize dendrochronological and paleolimnological methods to examine spruce forests and lake sites situated in the in...
chercheur principal:Johnston-Schuetz, Cheryl Année(s) de permis:
2007
Résumé:
The objective of this project is to examine the environmental thresholds to the successful establishment of a boreal (high latitude) conifer forest by measuring photosynthetic rates in conifer seedlings. Climate change has the potential to shift southern commercial tree species and treelines northward with implications for existing ecosystems and future economic development.
The project’s goal ...
chercheur principal:Gal, Ruth A.C. Année(s) de permis:
2005
Résumé:
The objective of this study is to develop a landscape model capable of predicting regeneration after fire in the Northern Boreal Forest.
Data has been collected in the past from Porter Lake (near Lutsel K'e), Big Fish Lake, Alberta, and Wood Buffalo National Park, between Pine Lake and Peace Point. Data has also been collected from the International Crown Fire Modeling Experiment near Fort Pro...
chercheur principal:Walker-Larsen, Jennifer Année(s) de permis:
2003
200220012000 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...