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城市化对台州蝶类多样性的影响
Effects of urbanization on butterfly diversity of Taizhou
林宏伟,王昌杰,杨莉,赵丹阳,周凯乐,应梦豪
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作者单位:台州学院生命科学学院,浙江台州
中文关键字:城市化,蝴蝶,生物多样性,评估指标
英文关键字:Urbanization,Habitat types,Butterfly abundance,Biodiversity
中文摘要:蝴蝶是城市化对生物多样性影响评价的重要指示生物。台州市的城市化水平不断提高,然而其城市化对生物多样性的影响一直没有得到评估。2017年4-9月,按城市化水平梯度,选取市区、郊区、农村三个样区,共设六条样线,采取样线调查法,对蝴蝶的种类和数量进行逐月调查;同时,对调查结果进行统计分析,来评估城市化对台州蝴蝶多样性的影响。结果显示,三个样区共调查得到蝴蝶5科85属142种,其中优势种为菜粉蝶;丰富度指数、多样性指数、均匀度指数、种类优势度均为农村>郊区>市区,且达到显著差异;三个样区之间在科数、属数和种数水平上均存在显著差异,同一样区样线之间均不存在显著差异;在个体数水平上,农村样线1(V1)与城市样线1(U1),V1与城市样线2(U2),农村样线2(V2)与U1之间均存在显著差异[既然6条样线间的个体数不存在显著差异,而两条样线间的差异却显著呢?请精准描述。][语言表达有误,已修改。原意为在个体数水平上,样线之间是否存在显著差异不明确。 ],其他样线之间不存在显著差异。因此可以得知,城市化对台州市蝴蝶多样性产生了显著的影响,城市化水平与蝴蝶种类和数量存在显著负相关;蝴蝶种上水平适合作为台州市城市化水平的评估指标。
英文摘要:Butterfly is an important biological indicator for evaluating the impact of the urbanization on biodiversity. Urbanization is increasing in Taizhou City, however, the impact of urbanization on butterfly diversity has not been evaluated. From April to September in 2017, six line transects of three different urbanized regions were selected according to urbanization gradient in Taizhou City, and line transect method was taken for butterfly survey; meanwhile, statistical analysis was employed to evaluate the effects of urbanization on butterfly diversity of Taizhou City. Results showed that 142 species of butterflies, belonging to 5 families and 85 genera, were investigated from three sample regions, and Pieris rapae is the dominant species. The richness, diversity, evenness and species dominance were rural > suburb > urban area, and with significant difference. Significant differences were detected of the number of families, genera and species between three different urbanized regions; without and with significant difference of same and different sample regions of the numbers of families, genera and species, respectively. In the number of individuals, significant difference between rural line transect 1 (V1) to urban line transect 1 (U1), V1 to U2 and V2 to U1, and others without significant difference. We concluded that urbanization have significant negatively effect on the number of species and individuals of butterfly in Taizhou City, and the number of upper species level of butterfly are as suitable index for evaluating urbanization in Taizhou City.
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国内统一连续出版物号:51-1193/Q |国际标准出版物号:1000-7083
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