青藏高原东缘窄叶鲜卑花灌丛生长季土壤无机氮对增温和植物去除的响应

马志良,赵文强,赵春章,刘美,朱攀,刘庆

Responses of soil inorganic nitrogen to increased temperature and plant removal during the growing season in a Sibiraea angustata scrub ecosystem of eastern Qinghai-Xizang Plateau

Zhi-Liang MA,Wen-Qiang ZHAO,Chun-Zhang ZHAO,Mei LIU,Pan ZHU,Qing LIU

表2 土壤水分、温度与土壤硝态氮和铵态氮含量的相关性

Table 2 Correlation between soil moisture and temperature, nitrate and ammonium

指标 Index 温度 Temperature 水分 Moisture 硝态氮 Nitrate 铵态氮 Ammonium 硝态氮/铵态氮 Nitrate/ammonium 温度 Temperature 1 水分 Moisture -0.527** 1 硝态氮 Nitrate 0.457** -0.159 1 铵态氮 Ammonium 0.047 0.294* -0.404** 1 硝态氮/铵态氮Nitrate/ammonium 0.232 -0.228 0.829** -0.813** 1