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Modeling the effects of varied forest management regimes on carbon dynamics in jack pine stands under climate change

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Abstract:

Climate change and its potential effects on ecosystems justify the need to implement forest management strategies that increase carbon (C) sequestration. A process-based model, TRIPLEX-Management, was used to investigate how to increase C sequestration within managed jack pine (Pinus banksiana Lamb.) forests. The simulations included a constant climate scenario and two climate change scenarios generated from the Coupled Global Climate Model (CGCM 3.1). A total of 36 forest management scenarios (a control where no forest management occurred, five varied rotation length harvesting-only regimes, and combinations of six thinning regimes and five rotation lengths) were simulated under each climate scenario for nine sites characterized by stocking levels from 0.3 to 0.7. A significant increase in C sequestration was generated under the climate change scenarios compared with those under constant climate. Mean annual net ecosystem productivity (NEP) varied with rotation length, but was not changed by precommercial thinning. Future studies should consider life cycle analysis of harvested wood products as in this study they were assumed to be a permanent C sink. Climate warming might enhance limited positive effects of forest thinning on C sequestration. Shortening rotation length from 70–80 years to 50 years might enhance NEP, increase wood production, and decrease the risk of climate change impacts on jack pine forests.

Document Type: Research Article

DOI: http://dx.doi.org/10.1139/cjfr-2012-0320

Affiliations: 1: Institut des Sciences de l'Environnement, Université du Québec à Montréal, Case Postale 8888, Succ. Centre-Ville, Montreal, QC H3C 3P8, Canada. 2: Institut des Sciences de l'Environnement, Université du Québec à Montréal, Case Postale 8888, Succ. Centre-Ville, Montreal, QC H3C 3P8, Canada; Laboratory for Ecological Forecasting and Global Change, College of Forestry, Northwest Agriculture and Forest University, Yangling, Shannxi 712100, China. 3: Centre d'étude de la forêt, Université du Québec à Montréal, Case Postale 8888, Succ. Centre-Ville, Montreal, QC H3C 3P8, Canada. 4: Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, PO Box 10380, 1055 du P.E.P.S., Stn. Sainte-Foy, Québec, QC G1V 4C7, Canada. 5: Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, 100091, China. 6: Laboratory for Ecological Forecasting and Global Change, College of Forestry, Northwest Agriculture and Forest University, Yangling, Shannxi 712100, China. 7: State Key Laboratory of Subtropical Forest Science and Zhejiang Provincial Key Laboratory of Carbon Cycling and Carbon Sequestration in Forest Ecosystems, Zhejiang Agriculture and Forestry University, Lin'an, Zhejiang 311300, China. 8: FPInnovations, 3800 Wesbrook Mall, Vancouver, BC V6S 2L9, Canada.

Publication date: January 1, 2013

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  • Published since 1971, this monthly journal features articles, reviews, notes and commentaries on all aspects of forest science, including biometrics and mensuration, conservation, disturbance, ecology, economics, entomology, fire, genetics, management, operations, pathology, physiology, policy, remote sensing, social science, soil, silviculture, wildlife and wood science, contributed by internationally respected scientists. It also publishes special issues dedicated to a topic of current interest.
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