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《Guangdong Forestry Science and Technology》 2010-06
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Comparative Study of Afforestation Effects on Windward Slope and Leeward Slope in Zhongshan Nearby Coastal Zone

Tan Zongjian1 He Xiuyun1 Liao Lingjuan2 Zhang Yanting2Wu Linfang2 Cao Honglin2 Li Li1 Zhuo Shubin3(1.Zhongshan Forestry Research Institute,Zhongshan,528400;2.South China Botanical Garden,Chinese Academy of Sciences;3.Dongguan Botanical Garden)  
Wuguishan,located at the southeast coast of Zhongshan city in Guangdong Province,is disturbed by sea breeze frequently and distinctly along its southeast slope.The study was conducted at two existing sample plots including windward slope and leeward slope.And the two sample plots had been founded for 4 years and 1 year respectively in Wuguishan.By means of investigation and analysis,the results were as follows: 1) degenerative ecosystem in the coastal zone can be recovered by planting high density trees in the suitable niche.2) Comparing all of the species,Acacia auriculiformis,Betula alnoides,A.confuse,Mytilaria laosensis,Castanopsis hystrix,A.crassicarpa and Syzygium cumini growed faster than Ormosia pinnata and Gmelina arborea in the forepart after planted.The last two species might be not suitable to rear in the windward slope.3) In the condition of relative closing planting,the mortality was much higher in the windward slope than that in the leeward slope before forest stand canopy closing,while the results was opposite after the forest stand canopy closing.Hence,establishing suitable niche was necessary to keep higher planting density in windward slope.4) When the steps how to plant was not different,the trees′ biomass,species diversity and equality of forest stand in leeward slope were much better than that in windward slope.All of these showed that vegetation restoration was affected significantly by slope factors because of adjoining to the coastal zone.
【Fund】: 农业科技攻关计划项目(20083A227)
【CateGory Index】: S725
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