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

图3. 猪毛蒿繁殖特征与土壤因子关系的冗余分析排序。A, 风沙土。B, 灰钙土。C, 基岩风化沉积土。D, 综合分析。Ma, 单株头状花序质量(g); Me, 单个头状花序质量(g × 10-4); Ni, 单株头状花序数量; Ra, 繁殖分配。AK, 速效钾含量; AN, 碱解氮含量; AP, 速效磷含量; Ceo, 易氧化碳含量; Co, 有机碳含量; Ct, 全碳含量; Cws, 水溶性碳含量; Ms. 10 cm, 0-10 cm土壤水分含量; Ms. 20 cm, 10-20 cm土壤水分含量; Ms. 0-20 cm, 0-20 cm土壤水分含量平均值; pH, pH值; SH. 5 cm, 0-5 cm土壤硬度; SH. 10 cm, 5-10 cm土壤硬度; SH. 20 cm, 10-20 cm土壤硬度; SH. 0-20 cm, 0-20 cm土壤硬度平均值; TN, 全氮含量; TP, 全磷含量; TS, 全盐含量。

Fig. 3. Relationship between reproductive characters and soil factors in redundancy analyses. A, aeolian sand soil. B, calcareous soil. C, weathered residual soil. D, comprehensive analysis of three soil types. Ma, capitulum mass of each individual plant (g); Me, each acptitulum mass (g × 10-4); Ni, capitulum number of each individual plant; Ra, reproductive allocation. AK, available potassium content; AN, available nitrogen content; AP, available phosphorus content; Ceo, easily oxidized organic carbon content; Co, organic carbon content; Ct, total carbon content; Cws, water soluble carbon content; Ms. 10 cm, soil water content of 0-10 cm; Ms. 20 cm, soil water content of 10-20 cm; Ms. 0-20 cm, the average soil water content of 0-20 cm; pH, pH value; SH. 5 cm, soil hardness of 0-5 cm; SH. 10 cm, soil hardness of 5-10 cm; SH. 20 cm, soil hardness of 10-20 cm; SH. 0-20 cm, the average soil hardness of 0-20 cm; TN, total nitrogen content; TP, total phosphorus content; TS, total salt content.