Optimal management of larch (Larix olgensis A. Henry) plantations in Northeast China when timber production and carbon stock are considered

Optimal management of larch (Larix olgensis A. Henry) plantations in Northeast China when timber... � Key message The optimal management of larch (Larix olgensis) plantations in Northeast China consisted of 2 or 3 thinnings and a rotation length of 55–61 years when economic profitability, wood production, and carbon sequestration 3 −1 −1 were simultaneously maximized. Wood production ranged from 5.4 to 11.7 m ha a , depending on site quality. � Context L. olgensis is an important tree species in the northeast forest region of China, playing a significant role in the establishment of fast-growing and high-yielding plantation forests in China. However, the management of these plantations has not been optimized in previous studies. � Aims The objective of the study was to find the optimal combinations of thinning times, thinning types, and rotation length for L. olgensis stands when both timber production and carbon stock are considered. � Methods First, a growth and yield model was developed to simulate the dynamics of larch plantations. Then, the models were linked with the Hooke and Jeeves optimization algorithm to optimize forest management for two commonly used planting densities and three site qualities. � Results Two thinnings were found to be suitable for larch plantations when the stand density at 10 years was 2125 trees/ha http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annals of Forest Science Springer Journals

Optimal management of larch (Larix olgensis A. Henry) plantations in Northeast China when timber production and carbon stock are considered

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Publisher
Springer Journals
Copyright
Copyright © 2018 by INRA and Springer-Verlag France SAS, part of Springer Nature
Subject
Life Sciences; Forestry; Wood Science & Technology; Forestry Management; Tree Biology; Environment, general
ISSN
1286-4560
eISSN
1297-966X
D.O.I.
10.1007/s13595-018-0739-1
Publisher site
See Article on Publisher Site

Abstract

� Key message The optimal management of larch (Larix olgensis) plantations in Northeast China consisted of 2 or 3 thinnings and a rotation length of 55–61 years when economic profitability, wood production, and carbon sequestration 3 −1 −1 were simultaneously maximized. Wood production ranged from 5.4 to 11.7 m ha a , depending on site quality. � Context L. olgensis is an important tree species in the northeast forest region of China, playing a significant role in the establishment of fast-growing and high-yielding plantation forests in China. However, the management of these plantations has not been optimized in previous studies. � Aims The objective of the study was to find the optimal combinations of thinning times, thinning types, and rotation length for L. olgensis stands when both timber production and carbon stock are considered. � Methods First, a growth and yield model was developed to simulate the dynamics of larch plantations. Then, the models were linked with the Hooke and Jeeves optimization algorithm to optimize forest management for two commonly used planting densities and three site qualities. � Results Two thinnings were found to be suitable for larch plantations when the stand density at 10 years was 2125 trees/ha

Journal

Annals of Forest ScienceSpringer Journals

Published: Jun 4, 2018

References

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