Effects of Litter Manipulation on Litter Decomposition in a Successional Gradients of Tropical Forests in Southern China

Hao Chen, Geshere A Gurmesa, Lei Liu, Tao Zhang, Shenglei Fu, Zhanfeng Liu, Shaofeng Dong, Chuan Ma and Jiangming Mo

PLOS ONE, 2014, vol. 9, issue 6, 1-9

Abstract: Global changes such as increasing CO2, rising temperature, and land-use change are likely to drive shifts in litter inputs to forest floors, but the effects of such changes on litter decomposition remain largely unknown. We initiated a litter manipulation experiment to test the response of litter decomposition to litter removal/addition in three successional forests in southern China, namely masson pine forest (MPF), mixed coniferous and broadleaved forest (MF) and monsoon evergreen broadleaved forest (MEBF). Results showed that litter removal decreased litter decomposition rates by 27%, 10% and 8% and litter addition increased litter decomposition rates by 55%, 36% and 14% in MEBF, MF and MPF, respectively. The magnitudes of changes in litter decomposition were more significant in MEBF forest and less significant in MF, but not significant in MPF. Our results suggest that change in litter quantity can affect litter decomposition, and this impact may become stronger with forest succession in tropical forest ecosystem.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0099018

DOI: 10.1371/journal.pone.0099018

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