摘要
喜鹊是我国北方城市的留鸟,其数量的多少与城市生态环境质量有明显的相关性。随着城市化进程的加快,在建设大面积人工绿地的同时,城市中原有自然生态景观也在逐渐消失。本文以天津市区的喜鹊鹊巢为调查对象,共收集鹊巢数据103组。通过主成分分析和单因子分析的方法,分析了喜鹊营巢特征与城市绿地环境的相关性。并对城市绿地生态环境保护和建设提出了建议,指出应该增加乔木在城市绿地建设中的比例,加大乡土物种和自然原生植被的保护力度等。
Magpie is widespread resident birds in the north of China. The amount of magpie has evidence pertinence with the quality of urban ecological environmental. With the development of urbanization, we constructed many lawns meanwhile destroyed great amount of natural landscape of city. This paper investigated nest site of magpie in Tianjin of China and obtained 103 data. Then it is analyzed that the pertinence of nest site selection of magpie and urban green space using principal component analysis and single factor analysis approach. Last we give our suggestion for urban ecological environmental protection and construction, point out that we should strengthen the planting of arbor and the protection of indigenous plant and natural vegetation to construct health urban ecosystem.
关键词
城市绿地
巢位选择
喜鹊
主成分分析
Urban green space
Nest site selection
Pied magpie
Principal component analysis