荒漠草原猪毛蒿种群繁殖特征的土壤驱动因子分析

陈林,王磊,杨新国,宋乃平,李月飞,苏莹,卞莹莹,祝忠有,孟文婷

Reproductive characteristics of Artemisia scoparia and the analysis of the underlying soil drivers in a desert steppe of China

Lin CHEN,Lei WANG,Xin-Guo YANG,Nai-Ping SONG,Yue-Fei LI,Ying SU,Ying-Ying BIAN,Zhong-You ZHU,Wen-Ting MENG

表1 猪毛蒿种群不同生境中土壤特性的比较(平均值±标准误差)

Table 1 Comparisons of soil properties in three soil types from the different habitats of Artemisia scoparia (mean ± SE)

土壤特性 Soil property ASS SS WB ANOVA F p Ceo (mg·g-1) 1.022 ± 0.760 1.088 ± 1.065 0.639 ± 0.337 2.192 0.115 Cws (mg·g-1) 0.048 ± 0.178 0.209 ± 0.439 0.297 ± 0.557 7.006 <0.001*** Co (%) 0.449 ± 0.477 0.450 ± 0.187 0.424 ± 0.139 0.042 0.959 Ct (%) 0.541 ± 0.242 0.605 ± 0.401 0.654 ± 0.268 1.594 0.206 AP (mg·kg-1) 2.776 ± 1.875 2.625 ± 1.854 1.755 ± 1.170 2.672 0.072 AK (mg·kg-1) 81.592 ± 37.170 71.040 ± 40.591 70.963 ± 40.242 1.668 0.192 AN (mg·kg-1) 230.668 ± 123.556 191.756 ± 54.719 237.687 ± 285.222 1.787 0.170 TN (%) 0.034 ± 0.013 0.040 ± 0.013 0.027 ± 0.011 9.938 <0.001*** TP (%) 0.029 ± 0.013 0.037 ± 0.010 0.038 ± 0.010 10.480 <0.001*** pH 9.076 ± 0.209 9.092 ± 0.165 9.090 ± 0.288 0.191 0.827 TS (g·kg-1) 0.265 ± 0.045 0.315 ± 0.198 0.317 ± 0.155 3.409 0.035* Ms. 10 cm (%) 7.591 ± 1.997 10.268 ± 3.757 8.990 ± 2.813 17.556 <0.001*** Ms. 20 cm (%) 7.309 ± 2.588 9.902 ± 4.008 8.768 ± 1.898 13.529 <0.001*** Ms. 0-20 cm (%) 7.489 ± 1.707 10.031 ± 3.274 8.747 ± 1.652 22.330 <0.001*** SH. 5 cm (kPa) 1 003.436 ± 516.201 1 245.283 ± 796.110 1 060.000 ± 560.993 2.824 0.062 SH. 10 cm (kPa) 1 377.634 ± 709.554 1 697.746 ± 1 196.433 1 611.250 ± 870.530 2.058 0.131 SH. 20 cm (kPa) 2 032.554 ± 1303.646 2 465.967 ± 1 338.089 2 281.400 ± 1 124.882 2.140 0.121 SH. 0-20 cm (kPa) 1 471.208 ± 678.777 1 807.194 ± 896.430 1 659.950 ± 726.002 3.714 0.026*