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竹林培育对生态系统碳储量的影响

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年01期
Page:
24-28
Column:
研究论文
publishdate:
2010-01-30

Article Info:/Info

Title:
Effects of bamboo cultivation on the carbon storage
Author(s):
LI Zhengcai1 YANG Xiaosheng1 CAI Xiaojun2 SUN Jiaojiao2 GERI Letu1 SUN Xuezhong2 FU Maoyi1
1.Research Institute of Subtropical Forestry, CAF, Fuyang 311400, China; 2.Forestry Bureau of Fuyang City, Zhejiang Province, Fuyang 311400, China
Keywords:
bamboo stands intensive cultivation extensive cultivation carbon storage
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2010.01.006
Document Code:
A
Abstract:
This paper dealt with the effects of cultivation on the carbon storage of three bamboo ecosystem by means of field survey. The results showed (1)biomass carbon storage of intensive Moso bamboo stand was significantly increased by 12.1 %, compared with that of extensive bamboo stand; biomass carbon storage of two Moso bamboo stand were significantly higher than that of the Phyllostachys praecox stand; and the annual amount of biomass carbon fixation of intensive and extensive Moso bamboo stand were 4.03 t/hm2 and 3.21 t/hm2 respectively, which meant that the annual carbon fixation amount of the former was 20.34 % higher than that of the latter; (2)soil carbon storage of intensive Moso bamboo stand was decreased by 18.7 %, while soil carbon storage of Ph.praecox stand was reduced by 46.9 %, compared with extensive Moso bamboo stand because of the physical effects of soil tillage, which resulted in enhancement of the soil respiration and decompose of soil carbon; (3)the total carbon storage of extensive Moso bamboo stand was increased by 13.9 %, compared with that of the intensive bamboo stand, because the reduced scope of soil carbon storage was higher than that of the vegetation carbon storage; and the total carbon storage of Phyllostachys praecox stand was apparently lower than that of the Moso bamboo stand; (4)in order to maintain sustainable management of bamboo stand, soil disturbance should be decreased to reduce the soil respiration by means of soil nontillage, soil clump or strip tillage, and in some case, organic fertilizer should be applied to bamboo stand, to fulfill the harmony between environment improvement and soil productivity maintenance.

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Last Update: 2010-02-09