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Differences in arthropod communities between island and inland Masson pine forests infested by pine wilt disease in Zhejiang Province
Authors:Hai-wei Wu  You-qing Luo  Juan Shi  Xiao-su Yan  Wei-ping Chen  Ping Jiang
Institution:1. Key Laboratory for Silviculture and Conservation of Ministry of Education,Beijing Forestry University,Beijing 100083,P.R.China
2. Forest Pest Control and Quarantine Bureau of Zbejiang Province,Hangzhou 310002,E R.China
Abstract:The invasion of Bursaphelenchus xylophilus (pine wood nematode, PWN) carried by Monochamus alternatus predominately attacks Masson pine (Pinus massoniana) forests and causes great economic losses in China. In this study, we assessed whether the effect of the invasion of PWN is different between island and inland forests. Arthropods were sampled in Fuyang (inland) and Zhoushan (island) counties in Zhejiang Province with sweep netting and light traps at four plots. During two field periods (May to June 2004 and September to October 2005) a total of 21,916 insects, representing 384 species belonging to 99 families and 15 orders,were collected in the sample plots from the island, whereas, from the inland forest a total of 29,262 insects, representing 308 species belonging to 96 families and 13 orders, were found. A hierarchical cluster analysis (HCA) and one-way ANOVA, based on the composition of different arthropod guilds, were performed. The results showed that there was no significant difference in the composition of arthropod communities at the family level between inland and island. But these two habitats had a significant effect on the composition of species, individuals, sub-communities and energy class levels. Statistically, the composition of the two orders, Lepidoptera and Diptera, in the two habitats were significantly different.
Keywords:Bursaphelenchus xylophilus  invasion  Pinus massoniana  arthropod community
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