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Volume 6 Issue 1
Jan.  2015
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Article Navigation >  Journal of Tropical Biology  > 2015  >  6(1): 69-77

TAO Chu, YANG Xiaobo, WAN Chunhong, LI Donghai, FU Youli, ZHOU Wensong, FENG Dandan, YANG Qi. Decomposition Characteristics of Leaf Litter of Forests at Two Different Succession Stages in Tongguling Nature Reserve,Hainan[J]. Journal of Tropical Biology, 2015, 6(1): 69-77. doi: 10.15886/j.cnki.rdswxb.2015.01.011
Citation: TAO Chu, YANG Xiaobo, WAN Chunhong, LI Donghai, FU Youli, ZHOU Wensong, FENG Dandan, YANG Qi. Decomposition Characteristics of Leaf Litter of Forests at Two Different Succession Stages in Tongguling Nature Reserve,Hainan[J]. Journal of Tropical Biology, 2015, 6(1): 69-77. doi: 10.15886/j.cnki.rdswxb.2015.01.011
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Decomposition Characteristics of Leaf Litter of Forests at Two Different Succession Stages in Tongguling Nature Reserve,Hainan

doi: 10.15886/j.cnki.rdswxb.2015.01.011

  • 1. Key Laboratory of Protection, Development and Utilization of Tropical Crop Germplasm Resources, Hainan University, Ministry of Education, Haikou 570228, China;

  • 2. College of Horticulture and Landscape Architecture, Hainan University, Haikou 570228, China;

  • 3. Hainan Academy of Environmental Science, Haikou 570206, China

  • Received Date: 2014-06-12
  • A field experiment was conducted to decompose the leaf litters of Maclurodendron oligophlebium,a common leaf litter dominant species,and Hydnocarpus hainanensis,a community dominant species,and the mixed leaf litters of the aforesaid species and other tree species at 2 succession stages in the primary tropical evergreen monsoon rains elfin forest and the foothill shrubs regenerated naturally due to human disturbance in Hainan Tongguling National Natural Reserve to observe the relationship between the leaf litter decomposition and the forest succession,and the nutrient release patterns. One year decomposition of the leaf litters showed the leaf litter decomposition rate was significantly higher in the monsoon elfin forest than in the foothill shrubs. The N release in the leaf litters followed the pattern of "enrichment-release",and the other elements such as C,K,Ca,P and Mg in the leaf litters were all directly released. In the monsoon elfin forest,the decomposition coefficient k had significantly positive correlation with the initial N mass fraction（ P ＜ 0. 05）,and highly significantly negative correlation with the initial C/N ratio（ P ＜ 0. 01）. In the foothill shrubs,the decomposition coefficient k was significantly negatively correlated with the initial C mass fraction and C/N value（ P＜ 0.05）.
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Decomposition Characteristics of Leaf Litter of Forests at Two Different Succession Stages in Tongguling Nature Reserve,Hainan

doi: 10.15886/j.cnki.rdswxb.2015.01.011
  • 1. Key Laboratory of Protection, Development and Utilization of Tropical Crop Germplasm Resources, Hainan University, Ministry of Education, Haikou 570228, China;
  • 2. College of Horticulture and Landscape Architecture, Hainan University, Haikou 570228, China;
  • 3. Hainan Academy of Environmental Science, Haikou 570206, China
  • Received Date: 2014-06-12

Abstract: A field experiment was conducted to decompose the leaf litters of Maclurodendron oligophlebium,a common leaf litter dominant species,and Hydnocarpus hainanensis,a community dominant species,and the mixed leaf litters of the aforesaid species and other tree species at 2 succession stages in the primary tropical evergreen monsoon rains elfin forest and the foothill shrubs regenerated naturally due to human disturbance in Hainan Tongguling National Natural Reserve to observe the relationship between the leaf litter decomposition and the forest succession,and the nutrient release patterns. One year decomposition of the leaf litters showed the leaf litter decomposition rate was significantly higher in the monsoon elfin forest than in the foothill shrubs. The N release in the leaf litters followed the pattern of "enrichment-release",and the other elements such as C,K,Ca,P and Mg in the leaf litters were all directly released. In the monsoon elfin forest,the decomposition coefficient k had significantly positive correlation with the initial N mass fraction（ P ＜ 0. 05）,and highly significantly negative correlation with the initial C/N ratio（ P ＜ 0. 01）. In the foothill shrubs,the decomposition coefficient k was significantly negatively correlated with the initial C mass fraction and C/N value（ P＜ 0.05）.

TAO Chu, YANG Xiaobo, WAN Chunhong, LI Donghai, FU Youli, ZHOU Wensong, FENG Dandan, YANG Qi. Decomposition Characteristics of Leaf Litter of Forests at Two Different Succession Stages in Tongguling Nature Reserve,Hainan[J]. Journal of Tropical Biology, 2015, 6(1): 69-77. doi: 10.15886/j.cnki.rdswxb.2015.01.011
Citation: TAO Chu, YANG Xiaobo, WAN Chunhong, LI Donghai, FU Youli, ZHOU Wensong, FENG Dandan, YANG Qi. Decomposition Characteristics of Leaf Litter of Forests at Two Different Succession Stages in Tongguling Nature Reserve,Hainan[J]. Journal of Tropical Biology, 2015, 6(1): 69-77. doi: 10.15886/j.cnki.rdswxb.2015.01.011
shu

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