中国中亚热带北部灌丛群落植物空间周转及其驱动因素
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高璐鑫, 兰天元, 赵志霞, 邓舒雨, 熊高明, 谢宗强, 申国珍
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Spatial turnover of shrubland communities and underlying factors in northern mid-subtropical China
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GAO Lu-Xin, LAN Tian-Yuan, ZHAO Zhi-Xia, DENG Shu-Yu, XIONG Gao-Ming, XIE Zong-Qiang, SHEN Guo-Zhen
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表1 中国中亚热带北部灌丛样地环境因子的描述性统计
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Table 1 Descriptive statistics of environmental factors in the plots of shrubland communities in northern mid-subtropical China
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| 环境因子 Environmental variable | 简写
Abbreviation | 平均值±标准误
Mean ± SE | 最小值
Minimum | 最大值
Maximum | 变异系数
CV (%) | | ≥0 ℃积温 Accumulated temperature (≥0 °C) (°C) | AAT0 | 5 725.40 ± 54.49 | 2 045.40 | 6 715.90 | 13.46 | | ≥10 ℃积温 Accumulated temperature (≥10 °C) (°C) | AAT10 | 5 100.49 ± 55.66 | 1 216.10 | 5 947.00 | 15.43 | | 年平均气温 Mean annual air temperature (°C) | Ta | 15.65 ± 0.16 | 3.80 | 18.40 | 14.38 | | 年降水量 Mean annual precipitation (mm) | Pa | 1 467.53 ± 15.78 | 1 047.50 | 1 892.90 | 15.21 | | 湿润指数 Moisture index | IM | 67.28 ± 1.89 | 14.85 | 174.01 | 39.70 | | 海拔 Altitude (m) | Alt | 258.98 ± 1.95 | 7.00 | 2 818.00 | 128.16 | | 坡度 Slope (°) | Slope | 27.32 ± 1.03 | 0.00 | 80.00 | 53.18 | | 坡向 Aspect (°) | Aspect | 159.91 ± 7.51 | 0.00 | 351.00 | 66.42 | | 土壤有机碳含量 Soil organic carbon content (mg·g-1) | SOC | 13.99 ± 1.41 | 0.00 | 118.55 | 142.46 | | 土壤总氮含量 Soil total nitrogen content (mg·g-1) | TN | 1.35 ± 0.10 | 0.09 | 9.07 | 100.74 | | 土壤总磷含量 Soil total phosphorus content (mg·g-1) | TP | 0.59 ± 0.03 | 0.09 | 3.34 | 74.57 | | 土壤pH Soil pH | pH | 5.84 ± 0.11 | 3.87 | 9.34 | 27.05 | | 国内生产总值(104元·km-2) Gross domestic product (104 yuan·km-2) | GDP | 1 130.89 ± 135.31 | 60.00 | 21 627.00 | 169.21 | | 人口空间分布(人·km-2) Population spatial distribution (person·km-2) | POP | 261.14 ± 15.34 | 22.30 | 2 048.36 | 83.09 | | 到居民点的距离 Distance to resident (m) | dRespt | 630.39 ± 58.72 | 0.00 | 3 727.12 | 131.74 | | 到道路的距离 Distance to road (m) | dRoad | 153.86 ± 45.20 | 0.00 | 2 797.37 | 415.54 |
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