文献类型：会议论文

英文题名：The Carbon Storage of Forest Debris Among Different Land-Use Types In north subtropical areas in China

作者：Li, Zhengcai[1] Wang, Bin[1] Wu Yacong[1] Geri Letu[1] Yang, Xiaosheng[1]

第一作者：李正才

通信作者：Li, ZC[1]

机构：[1]Chinese Acad Forestry, Res Inst Subtrop Forestry, Fuyang, Zhejiang, Peoples R China

会议论文集：1st International Conference on Energy and Environmental Protection (ICEEP 2012)

会议日期：JUN 23-24, 2012

会议地点：Hohhot, PEOPLES R CHINA

语种：英文

外文关键词：land-use change; forest debris; carbon storage of forest debris

年份：2012

摘要：This study considered organic carbon storage in fine forest debris(< 2, 2-5, 5-10 and 10-25 mm in diameter)and coarse forest debris(>= 25 mm in diameter)of different vegetation types, namely stands of Chinese fir(Cunninghamia lanceolata), extensively managed bamboo(Phllostachys pubescens), masson pine (Pinus massoniana), natural secondary forests(hardwood stand), and intensively managed bamboo(Phyllostachys pubescens), as well as shrub land and agricultural cropped land in Fuyang City, Zhejiang Province. The forest debris includes fallen leaves, twiggy branches, fruits, dead herb, half decomposed products, and decomposed debris. Results showed that (1)organic carbon storage in fine forest debris from greatest to least was Chinese fir> extensively managed bamboo > masson pine > natural secondary forest > shrubs > intensively managed bamboo > agricultural cropped land. Organic carbon of fine forest debris was mainly stored in the leaves, followed by the branches, and then the decomposed debris, while the percentage of the amount in the dead herb was less than 10%. In addition, (2)the underground carbon storage in fine debris, of which the amount in different vegetation types was similar, accounted for more than 50% of the total carbon storage. Meanwhile, as to the coarse debris, underground carbon storage in both bamboo stands was higher (P<0.05) than that in the other vegetation types. Also, (3) organic carbon storage in debris of the extensively managed bamboo(3.20 t. hm(-2))and Chinese fir(3.19 t. hm(-2))stands was 3.4 times as much as that of the agricultural cropped land(0. 94 t. hm(-2)); while the amount in natural secondary forest, masson pine stands, and intensively managed bamboo stands ranged from 2.7 to 1.6 t. hm(-2), which was also higher than that of the agricultural cropped land. Overall, carbon storage in total debris was ranked: extensively managed bamboo > Chinese fir > masson pine > natural secondary forest> intensively managed bamboo > shrubs > agricultural cropped land.