Biodiv Sci ›› 2011, Vol. 19 ›› Issue (2): 206-214.  DOI: 10.3724/SP.J.1003.2011.10237

Special Issue: 中国的森林生物多样性监测

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Temporal dynamics of and effects of an ice storm on litter production in an evergreen broad-leaved forest in Gutianshan National Nature Reserve

Lei Zhang1, Xiaohe Wang2, Xiangcheng Mi3, Jianhua Chen4, Mingjian Yu1,*()   

  1. 1 Key Laboratory of Conservation Biology for Endangered Wildlife of the Ministry of Education, College of Life Sciences, Zhejiang University, Hangzhou 310058
    2 Dexing Forestry Bureau, Dexing, Jiangxi 334200
    3 State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093
    4 College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, Zhejiang 321004
  • Received:2010-09-27 Accepted:2010-11-13 Online:2011-03-20 Published:2011-06-01
  • Contact: Mingjian Yu


To study litter production, composition, temporal dynamics, and the effects of an ice storm on litter production in a 24-ha evergreen broad-leaved forest dynamic plot in Gutianshan National Nature Reserve, Zhejiang, we set up 169 seed traps, and collected litterfall weekly from October 2006 to December 2009. Total annual litter production in 2007 and 2009 was 532.05 g/m2 and 375.17 g/m2, respectively. We attribute the remarkable drop in production due to an ice storm in February 2008. Leaves, twigs, bark and miscellaneous materials accounted for 79.0%, 14.7%, 3.3% and 3.0% of mass, respectively. The annual leaf litter production of four dominant tree species (Castanopsis eyrei, Schima superba, Pinus massoniana and Quercus serrata var. brevipetiolata) contributed about 71.36% of the total leaf litter production in 2007. There were two litter fall peaks each year, one in spring (April) and the other in autumn to early winter (between late October and early December). Total litter production, leaf production and twig production decreased significantly after the ice storm (P<0.05), as did the annual leaf production of C. eyrei and Distylium myricoides (P<0.05) and S. superba (P<0.1). The production of miscellaneous materials mainly composed of insect dung increased (P<0.01) in April immediately following the ice storm, indicating that a compensating growth of branches and leaves was occurring in the damaged community.

Key words: forest dynamics plot, mid-subtropical, peak litter fall, ice storm