Carbon and nitrogen distribution across a chronosequence of secondary lacebark pine in China

被引：20

作者：

Li, Chunyi ^{[1
]}

Zha, Tianshan ^{[1
,2
]}

Liu, Jinglan ^{[3
]}

Jia, Xin ^{[1
]}

机构：

[1] Beijing Forestry Univ, Sch Soil & Water Conservat, Beijing 100083, Peoples R China

[2] Chinese Inst Green Carbon, Beijing 100083, Peoples R China

[3] Beijing Forestry Univ, Coll Nat Conservat, Beijing 100083, Peoples R China

来源：

FORESTRY CHRONICLE | 2013年 / 89卷 / 02期

关键词：

lacebark pine; age-sequence; carbon storage; nitrogen storage; C and N distribution; FOREST ECOSYSTEM CARBON; AGE-SEQUENCE; STAND DEVELOPMENT; BIOMASS; ALLOCATION; STORAGE; KOREA;

D O I：

10.5558/tfc2013-037

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Information about carbon (C) and nitrogen (N) pools is lacking for lacebark pine forests. Ecosystem C (93.38-240.34 Mg C ha(-1)) and N (6.60-8.63 Mg N ha(-1)) increased with stand age. This pattern applied to all tree components and litter. However, changes in C and N stocks during stand development showed the reverse U-shaped pattern for the understory and for mineral soil. Mineral soil was the dominant N pool for all stands (79%-96%) and the largest C pool in younger stands (53%-71%). Trees were the largest C pool in older stands (55%-62%). The contribution of trees to ecosystem C and N pools increased with stand age but that of mineral soil decreased with stand age. These findings contribute to the development and evaluation of forest C and N storage models and to forest management for enhancing C sequestration.

引用

页码：192 / 198

页数：7

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