通过多级抽样的方法,同时采用问卷调查的方式,对海南本科大学生微商参与度进行调查,描述性分析海南本科大学生微商参与度的基本情况,继而深入分析微商对大学生学习的影响,并以此为基础,为开展大学生微商教育提出科学性的建议,从而引导大学生在面对微商浪潮时可以科学分析做出理性的选择,避免盲目跟风,造成经济上、精神上,甚至人身安全上的损害.
通过多级抽样的方法,同时采用问卷调查的方式,首先对海南本科大学生微商知信行进行调查,描述性分析海南本科大学生微商知信行的现状,继而深入分析造成此现状的原因,并以此为基础,为开展大学生微商知信行的教育提出科学性的建议.
Objective To explore the distribution characteristics of fungi from soil of mangrove in Hainan.Methods Isolation and culture fungi from mangrove soil samples on the PDA medium,identified and explore the taxonomic status of strains by means of observation on morphology and cultural characteristics,combined with rDNA ITS sequences of squence and phylogenetic analysis.Results 325 fungus strains attained from mangrove soil samples were distributed in 14 genera,counting Penicillium sp.29.84%,Trichoderma sp.22.46%,Aspergillus sp.20.00%,Paecilomyces sp.6.46%,Cladosporium sp.4.31%.Conclusion The fungi resources in mangrove are abundant in Hainan.Penicillium sp.,Trichoderma sp.and Aspergillus sp.were the main genera.