中国北方干旱半干旱区草原生态系统能量平衡闭合的季节和年际变异

王彦兵, 游翠海, 谭星儒, 陈波宇, 许梦真, 陈世苹

Seasonal and interannual variations in energy balance closure over arid and semi-arid grasslands in northern China

WANG Yan-Bing, YOU Cui-Hai, TAN Xing-Ru, CHEN Bo-Yu, XU Meng-Zhen, CHEN Shi-Ping

表1 内蒙古草原生态系统不同站点基本信息概况

Table 1 Site information of different sites in Nei Mongol grasslands

站点 Site 地理位置 Geo-location 海拔 Altitude (m) 年平均气温 Mean annual air temperature (°C) 年降水量 Mean annual precipitation (mm) 土壤类型 Soil type 草地类型 Grassland type 优势种 Dominant species 数据时段 Data period 四子王旗站 Siziwangqi station (SZ) 111.90° E 41.78° N 1 438 3.4 310 栗钙土 Kastanozem 荒漠草原 Desert steppe 短花针茅 Stipa breviflora 冷蒿 Artemisia frigida 2011-2018 锡林浩特割草站 Xilinhot grazed station (XL1) 116.67° E 43.56° N 1 250 2.0 350 栗钙土 Kastanozem 典型草原 Typical steppe 大针茅 Stipa grandis 羊草 Leymus chinensis 冷蒿 Artemisia frigida 2006-2018 锡林浩特围封站 Xilinhot fenced station (XL2) 116.67° E 43.55° N 1 250 2.0 350 栗钙土 Kastanozem 典型草原 Typical steppe 大针茅 Stipa grandis 羊草 Leymus chinensis 羽茅 Achnatherum sibiricum 2006-2018 西乌珠穆沁旗站 Xi Ujimqin Qi station (XW) 117.58° E 44.36° N 1 148 1.5 330 栗钙土 Kastanozem 典型草原 Typical steppe 大针茅 Stipa grandis 羊草 Leymus chinensis 2012-2018 多伦站 Duolun station (DL) 116.28° E 42.05° N 1 350 1.6 385 栗钙土 Kastanozem 典型草原 Typical steppe 西北针茅 Stipa sareptana var. krylovii 冷蒿 Artemisia frigida 2005-2018 额尔古纳站 Ergun station (EG) 119.39 °E 50.19° N 521 -2.5 355 黑钙土 Chernozem 草甸草原 Meadow steppe 狼针草 Stipa baicalensis 寸草 Carex duriuscula 2012-2018