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苏北沿海不同土地类型土壤动物群落及其对凋落物分解的影响(PDF)

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

Issue:
2014年03期
Page:
1-7
Column:
专题报道
publishdate:
2014-05-15

Article Info:/Info

Title:
Effects of soil fauna on litter decomposition and its community structure under different land use patterns in coastal region of northern Jiangsu province
Article ID:
1000-2006(2014)03-0001-07
Author(s):
FAN Huan1 WANG Shaojun2 RUAN Honghua1*TAN Yan1 ZHENG Abao13 XU Yu1 XU Kai1 CAO Guohua4
1.Jiangsu Key Laboratory of Forestry Ecological Engineering, Nanjing Forestry University, Nanjing 210037, China;
2.College of Environment Science and Engineering, Southwest Forestry University,Kunming 650224,China;
3.Forestry Department of Jiangsu Province, Nanjing 210036, China;
4.Dongtai City Forest Farm of Jiangsu Province, Dongtai 224200, China
Keywords:
land use patterns soil fauna litter decomposition coastal region of northern Jiangsu province
Classification number :
S718.6
DOI:
10.3969/j.issn.1000-2006.2014.03.001
Document Code:
A
Abstract:
We conducted the investigation of soil fauna and its influence on litter decomposition and in total by different mesh sizes(5, 1 and 0.01 mm)litterbag under different land use patterns(i.e. poplar-crop integrated system, poplar plantation, cropland and grassland)in Dongtai forest farm of Jiangsu province. 25 715 individuals of soil meso- and macro-fauna were obtained through 4 samplings from 2012 to 2013, which belonged to 3 phyla, 13 classes and 35 orders. The mass remaining in the sites was in order of small mesh(59.32%)>coarse mesh(48.03%)>medium mesh(44.70%). Most of the diversity comparisons between sites differed significantly. Pielou biodiversity index was negatively correlated with litter remaining in coarse mesh litterbag(p<0.05), while the relationship between Shannon diversity index and litter remaining in different mesh sizes had no significant difference. The average contribution ratio of soil meso- and micro-fauna to litter decomposition(24.89%)was much bigger than that in the coarse mesh litterbag(0.70%). Our results suggest that land use changes alter the community structure of soil fauna, and then influence litter decomposition in this coastal region.

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Last Update: 2014-05-15