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Herbivory effects on leaf litter decomposition vary with special leaf area in temperate mixed deciduous forest
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  • Yanchun Liu,
  • Xiaojing Liu,
  • Guoyong Li,
  • Zhongling Yang,
  • Shirong Liu
Yanchun Liu
Henan University

Corresponding Author:[email protected]

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Xiaojing Liu
Baotianman Natural Reserve Administration
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Guoyong Li
Henan University
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Zhongling Yang
Henan University
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Shirong Liu
Chinese Academy of Forestry
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Insect herbivore has great impacts on biogeochemical cycling in forest ecosystem, but experimental tests on the herbivory-decomposability relationship at the inter-specific level are rare. We conducted a 400-day field decomposition experiment in a temperate mixed deciduous forest and measured mass remaining rate, decomposition constant, total loss of carbon (C) and nitrogen (N) of litter leaf with/without obvious damage by chewing insects for different tree species. We found that herbivory effect on initial litter quality (C: N ratio) varied with species, showing a markedly negative effect on M. alba (-5.78%) and positive effect on Q. acutissima (+5.35%). Herbivory damage increased decomposition constant for M. alba and L. formosana with higher special leaf area, but decreased it for D. kaki and Q. acutissima with lower special leaf area. The contrasting effects of insect herbivory on litter decomposition could be attributed to the variability of litter initial quality caused by herbivory. Our finding that herbivore damage showed inter-specific variability in both litter quality and decomposition rate suggests that herbivory induced feedbacks to nutrient cycling and ecosystem function should be estimated at the species level in multi-species mixed deciduous forest.
11 May 2020Submitted to Land Degradation & Development
12 May 2020Submission Checks Completed
12 May 2020Assigned to Editor
13 May 2020Reviewer(s) Assigned
22 Jun 2020Review(s) Completed, Editorial Evaluation Pending
22 Jun 2020Editorial Decision: Revise Minor
28 Jun 20201st Revision Received
29 Jun 2020Submission Checks Completed
29 Jun 2020Assigned to Editor
01 Aug 2020Review(s) Completed, Editorial Evaluation Pending
01 Aug 2020Editorial Decision: Revise Minor
07 Aug 20202nd Revision Received
08 Aug 2020Submission Checks Completed
08 Aug 2020Assigned to Editor
25 Aug 2020Review(s) Completed, Editorial Evaluation Pending
29 Aug 2020Editorial Decision: Accept