From CEF

Membres: DipakMahatara

Dipak Mahatara

Graduate Student
Université du Québec à Rimouski, Department of biology, chemistry and geography

Research Project: Impact of different thinning regimes on wood properties and carbon sequestration in white spruce (Picea glauca) plantations

Directeur: Robert Schneider
Codirecteur: Julie Barrette

Google Scholar 




Stand density management is one of the most important and widely used silvicultural tools that directly influence tree growth, wood quality and carbon content. The impact of the silvicultural treatments on wood quality and carbon content has been a subject of concern to forest managers for decades. Although the prime objective of forest managers is to produce a higher quantity of large-sized trees by using proper silvicultural treatments, everyone wants to maintain the wood quality and store more carbon at the same time. White spruce (Picea glauca (Moench) Voss) is a conifer tree species native to the northern temperate and boreal forests of North America. It is an ecologically and economically important tree species that has been managed intensively in these regions, and one of the main species that has been used for plantations. Studies showed that productivity and growth of white spruce are sensitive to tree spacing. While different wood properties of white spruce have been studied extensively, including genetic effects on wood quality traits, acoustic velocity, and modulus of elasticity, very few have made the attempt to study the growth characteristics and carbon content of white spruce after commercial thinning. In this project, the dynamics of growth-ring characteristics and carbon sequestration rates associated with four thinning methods (control, thinning from below, early crop tree (CT) release of 50 CT/ha and release of 100 CT/ha) in plantations will be assessed. The concept of CT release has never been used for softwood species in Eastern Canada. The effect of this innovative approach on the growth-ring characteristics and carbon sequestration rate will be better understood, so that forest managers will have a wider range of information to choose the appropriate silvicultural regime to achieve the desired management goals.


Articles published in refereed journals

Articles published in conference proceedings


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