Effects of soil fauna on litter decomposition and its community structure under different land use patterns in coastal region of northern Jiangsu province

FAN Huan, WANG Shaojun, RUAN Honghua,TAN Yan, ZHENG Abao, XU Yu, XU Kai, CAO Guohua

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2014, Vol. 38 ›› Issue (03) : 1-7.

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JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2014, Vol. 38 ›› Issue (03) : 1-7. DOI: 10.3969/j.issn.1000-2006.2014.03.001

Effects of soil fauna on litter decomposition and its community structure under different land use patterns in coastal region of northern Jiangsu province

  • FAN Huan1, WANG Shaojun2, RUAN Honghua1*,TAN Yan1, ZHENG Abao1,3, XU Yu1, XU Kai1, CAO Guohua4
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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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FAN Huan, WANG Shaojun, RUAN Honghua,TAN Yan, ZHENG Abao, XU Yu, XU Kai, CAO Guohua. Effects of soil fauna on litter decomposition and its community structure under different land use patterns in coastal region of northern Jiangsu province[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2014, 38(03): 1-7 https://doi.org/10.3969/j.issn.1000-2006.2014.03.001

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