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Advances in Meteorology
Volume 2018, Article ID 3095891, 8 pages
Research Article

Patterns of Biomass and Carbon Allocation across Chronosequence of Chir Pine (Pinus roxburghii) Forest in Pakistan: Inventory-Based Estimate

1Beijing Key Laboratory of Forest Resources and Ecosystem Process, College of Forestry, Beijing Forestry University, 100083 Beijing, China
2College of Forestry, Beijing Forestry University, 100083 Beijing, China
3Beijing Key Laboratory of Precision Forestry, Beijing Forestry University, 100083 Beijing, China

Correspondence should be addressed to Xiaodong Liu; nc.ude.ufjb@uil_dx

Received 28 May 2018; Revised 28 July 2018; Accepted 14 August 2018; Published 18 September 2018

Academic Editor: Anthony R. Lupo

Copyright © 2018 Muhammad Amir et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The quantitative relationship between carbon sequestration potential and stand ages of Pine (Pinus roxburghii) forest is not documented in Pakistan. Using field inventory data, this study underlines the patterns of biomass and carbon allocation across a chronosequence of Chir Pine forest. Based on the uniform shelterwood silvicultural management system, the forest was classified into three stand age classes representing the young stand (<50 years), mature stand (50–75 years), and overmature stand (> 75 years). The results showed an increasing trend in living tree biomass carbon with stand age. However, soil carbon showed gradually decreasing trend from young to overmature stand. Similarly, deadwood, litter, and understory biomass carbon showed an increase pattern of changes. Altogether, the results highlighted that the mean carbon values of all components varied between 90.3 t·C·ha−1 in the young stand and 309.5 t·C·ha−1 in the overmature stand. Furthermore, our results confirm that the current management operations affect the forest floor and soil carbon. Therefore, we suggest that different protection measures should be considered during management operations to enhance soil and forest floor carbon.