澜沧江中游水生昆虫生活史和生态学性状多样性的海拔格局: 气候和土地利用的影响

付飞, 魏慧玉, 常育腾, 王备新, 陈凯

Elevational patterns of life history and ecological trait diversity of aquatic insects in the middle of the Lancang River: The effects of climate and land use variables

Fei Fu, Huiyu Wei, Yuteng Chang, Beixin Wang, Kai Chen

表1 研究区域溪流采样点位环境因子概况

Table 1 Summary of environmental variables across stream sites collected in the study area

环境变量 Environmental variables 平均值 Mean 标准差 SD 最小值 Min 最大值 Max 海拔 Elevation (m) 2,030 480 1,274 2,899 森林面积百分比 % forest area 75.5 16.0 21.6 98.4 农业面积百分比 % agriculture area 1.3 4.7 0.0 32.0 不透水面积百分比 % impervious area 0.08 0.4 0.0 3.0 年平均气温 Annual mean temperature (℃) (BIO 1) 10.3 3.0 2.4 16.4 季节性气温变异(标准差 × 100) Temperature seasonality (standard deviation × 100) (BIO 4) 494.5 42.9 430.1 594.7 气温年较差 Temperature annual range (℃) (BIO 7) 23.5 0.9 21.7 26.3 年平均降水量 Annual precipitation (mm) (BIO 12) 920.6 101.4 649.4 1,232.5 季节性降水变异(变异系数) Precipitation seasonality (Coefficient of variation) (BIO 15) 62.0 2.2 58.0 70.9