21 record(s) found with the tag "dendrochronology" (multi-year projects are grouped):
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Structure, Carbon Dynamics, and Silvichronology of Boreal Forests
Principal Investigator: Osawa, Akira
Licenced Year(s): 2018 2016 2015 2013 2012 2011 2010 2009 2008 2007 2006
Summary: 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...


Reconstructing history of hummocky soil formation in drunken forest
Principal Investigator: Fujii, Kazumichi
Licenced Year(s): 2018 2017
Summary: “Drunken forest” is developed on earth hummocks on shallow permafrost layer near Inuvik, Canada. Black spruce forests are typically grown on the shoulder of mounds and tree rings record the history of soil movement. By reading tree rings, The Principal Investigator (PI) is planning to reconstruct history of hummocky soil formation. The PI will collect tree core samples by making a hole in the ...


Structure, Carbon Dynamics, and Silvichronology of Boreal Forests
Principal Investigator: Osawa, Akira
Licenced Year(s): 2017 2005 2004 2003 2002 2001
Summary: 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...


Drivers and consequences of shrub distribution on the tundra landscape
Principal Investigator: Baltzer, Jennifer L
Licenced Year(s): 2017 2016
Summary: The objective is to determine the growth and recruitment responses of trees and shrubs to changing climate conditions near tree line and improve the understanding of the drivers of shrub patch expansion on the tundra. Ten shrub patches were selected for measurement and paired permanent monitoring plots were established at each patch; one plot was centred on the patch of interest, the other on t...


Responses of trees and shrubs to climate warming at high latitudes
Principal Investigator: Baltzer, Jennifer L
Licenced Year(s): 2015 2014
Summary: The objective of this project is to determine the growth and recruitment responses of trees and shrubs to changing climate conditions near tree line and to study drivers of shrub expansion on the tundra. To accomplish these objectives, researchers will measure long-term tree and shrub growth at Havikpak and Trail Valley Creek using tree/shrub ring analysis. Specifically, at each site, small wo...


Climate change and structure of circumpolar boreal forests during the past century
Principal Investigator: Osawa, Akira
Licenced Year(s): 2014
Summary: Objectives of the research are two-fold. First is to estimate structure and growth of forest stands in northwestern Canada by applying a stand reconstruction technique. Second is to examine the relationship between climate change in the Arctic region and the patterns of forest biomass growth during the past century. The research team also measure currently occurring growth and carbon dynamics of f...


Landscape scale flooding in the Great Slave Lake Plain
Principal Investigator: Armstrong, Terry
Licenced Year(s): 2014 2013 2012 2011 2010
Summary: The objectives are to draw together multiple sources of information so that we may (1) examine change in lake area in this ecoregion, (2) assess amount of meadow habitat lost to rising water levels in core bison range, (3) investigate whether recent changes are part of a longer-term cycle and evaluate the causes of this change, (4) determine a way to document and integrate local and traditional kn...


Changing fire regimes in northern coniferous forests
Principal Investigator: Wallenius, Tuomo H
Licenced Year(s): 2009
Summary: This licence is being issued for the scientific research application No.1103. The research objective is to study the occurrence of forest fires in Northern Canada during the past 200 years. They are especially interested in large scale averages and changes in the estimated fire return intervals/annually burned proportions of the landscape. Specific research questions are: 1. How often for...


Treeline Dynamics in the Western Canadian Arctic
Principal Investigator: Green, Scott
Licenced Year(s): 2009 2008
Summary: This licence was issued for the application # 836. The project will examine past tree growth patterns at the northern treeline in Western Canada as a baseline to predict future growth responses to climate change. Additionally, the researchers will examine tree regeneration and plant associations at the northern treeline. Growth-ring analyses will be conducted in mature treeline populations....


Environmental change in the 20th century, Mackenzie Delta region, Northwest Territories
Principal Investigator: Pisaric, Michael FJ
Licenced Year(s): 2008 2007 2006 2005
Summary: 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...


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