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FOREST RESOURCES WANAGEMENT ›› 2013, Vol. 0 ›› Issue (3): 112-118.

• Scientific Research • Previous Articles     Next Articles

Impact of Freezing Rain and Snow Disaster on the Main Hydrological Effect of Forest in Dagang Mountains of Jiangxi Province

WANG Dongdong1, WANG Bing2, LIU Yuanqiu1, LIU Zugen3, ZHAO Guangdong2, DENG Zongfu4   

  1. 1. College of Forestry,Jiangxi Agricultural University,Nanchang 330045;
    2. Dagang Mountain Ecological Station,Chinese Academy of Forestry,Fenyi 336600;
    3. Jiangxi Academy of Environmental Sciences,Nanchang 330045;
    4. Experimental Center of Subtropical Forestry,Chinese Academy of Forestry,Fenyi 336600,Jiangxi Province,China
  • Received:2013-03-19 Revised:2013-04-24 Online:2013-06-28 Published:2020-11-20

Abstract: The dynamic of the main hydrological effect of three forest types(evergreen broad-leaved forest,Cunninghamia Lanceolata forest and Phyllostachys pubescens forest) was studied before(2006 year) and after(2010 year) freezing rain and snow disaster in Dagang Mountains of Jiangxi Province.The result showed the rainfall rate increased after the freezing rain and snow disaster within three forest types.Comparing the pre-disaster,the through-fall rate and the stem flow rate increased while the interception rate was reduced for the forest crown of three forest types in the post-disaster.The percentage change of the stem flow rate,the through-fall rate and the rejection rate of evergreen broad-leaved forest was the biggest,and Phyllostachys pubescens forest type was the smallest among three forest types.The thickness and the stock volume of ground litter increased,and the capacity of water-holding and interception of ground litter increased correspondingly after freezing rain and snow disaster in three forest types.The water physical characteristics and the hydrological effect of soil changed little after freezing rain and snow disaster,and it might be related with the cause that freezing rain and snow disaster did not directly destroy the ground litter lay in three forest types.

Key words: freezing rain and snow disaster, forest types, hydrological effect

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