合肥市小微湿地鸟类多样性的时空格局及其影响因素

汪婷, 周立志

The spatial-temporal patterns of bird diversity and its determinants in the small wetlands in Hefei City

Ting Wang, Lizhi Zhou

表2 预测小微湿地鸟类α多样性95%置信区间内各参数的模型平均化估值(θ)、标准误(SE)和模型权重(wi)

Table 2 Model-averaged parameter estimates (θ), standard errors (SE) and relative variable importance (wi) for each variable in the 95% confidence set for predicting bird α diversity in small wetlands

生态类型 Ecological type 多样性指数 Diversity index 环境因子 Environmental factors 权重 Weight (wi) 估计值 Estimate 标准误 SE P 水鸟 Water bird 物种丰富度 Species richness 湿地面积 Wetland area 0.9970 0.6582 0.1843 <0.001 城市化指数 Urbanization index 1.0000 -0.0256 0.0079 0.001 建筑面积比例 Proportion of vegetation 1.0000 -8.8486 4.8863 0.0702 Shannon-Wiener指数 Shannon-Wiener index 城市化指数 Urbanization 0.9990 -0.0033 0.0015 0.0240 陆地鸟类 Terrestrial bird 物种丰富度 Species richness 湿地面积 Wetland area 1.0000 1.8941 0.2211 <0.001 城市化指数 Urbanization index 0.9590 -0.0360 0.0084 <0.001 植被面积比例 Proportion of vegetation 0.6590 15.5060 4.1302 <0.001 Shannon-Wiener指数 Shannon-Wiener index 湿地面积 Wetland area 0.9770 0.0557 0.0181 0.0021 物种密度 Species density 湿地面积 Wetland area 1.0000 -72.7007 17.0724 <0.001