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Forest management to increase carbon sequestration in boreal Pinus sylvestris forests

Jörgensen, Karolina and Granath, Gustaf and Lindahl, Björn and Strengbom, Joachim (2021). Forest management to increase carbon sequestration in boreal Pinus sylvestris forests. Plant and Soil. 466 , 165-178
[Research article]

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Abstract

Background and aims Forest management towards increased carbon (C) sequestration has repeatedly been suggested as a "natural climate solution". We evaluated the potential of altered management to increase C sequestration in boreal Pinus sylvestris forest plantations. Methods At 29 forest sites, distributed along a 1300 km latitudinal gradient in Sweden, we studied interactive effects of fertilization and thinning on accumulation of C in standing biomass and the organic horizon over a 40 year period. Results Abstention from thinning increased the total C stock by 50% on average. The increase was significant (14% on average) even when C in the removed timber was included in the total ecosystem C pool. Fertilization of thinned stands increased stocks similarly regardless of including (11%) or excluding (12%) removed biomass, and fertilization combined with abstention from thinning had a synergistic effect on C stocks that generated an increase of 79% (35% when removed timber was included in the C stock). A positive effect of fertilization on C stocks was observed along the entire gradient but was greater in relative terms at high latitudes. Fertilization also reduced soil respiration rates. Conclusion Taken together, our results suggest that changed forest management practices have major potential to increase the C sink of boreal forests. Although promising, these benefits should be evaluated against the undesired effects that such management can have on economic revenue, timber quality, biodiversity and delivery of other ecosystem services.

Authors/Creators:Jörgensen, Karolina and Granath, Gustaf and Lindahl, Björn and Strengbom, Joachim
Title:Forest management to increase carbon sequestration in boreal Pinus sylvestris forests
Series Name/Journal:Plant and Soil
Year of publishing :2021
Volume:466
Page range:165-178
Number of Pages:14
Publisher:SPRINGER
ISSN:0032-079X
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
Keywords:Forestry, Fertilization, Thinning, Climate mitigation, Latitudinal gradient, Nitrogen
URN:NBN:urn:nbn:se:slu:epsilon-p-112759
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-112759
Additional ID:
Type of IDID
DOI10.1007/s11104-021-05038-0
Web of Science (WoS)000663498800002
ID Code:25637
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
S - Faculty of Forest Sciences
Department:(NL, NJ) > Dept. of Soil and Environment
(S) > Dept. of Soil and Environment

(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
Deposited By: SLUpub Connector
Deposited On:11 Oct 2021 15:25
Metadata Last Modified:11 Oct 2021 15:31

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