Habitat Selection. Nest Site Selection; Territoriality; Dispersal; Migration.

栖息地选择。巢穴选择；地盘；分布；迁移。

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Then it is analyzed that the pertinence of nest site selection of magpie and urban green space using principal component analysis and singe factor analysis approach.

通过主成分分析和单因子分析的方法分析喜鹊营巢特征与城市绿地环境的相关性。

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There are 9 factors which affect nest-site selection.

影响巢址选择的主要因素9种；

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