甘肃酒泉荒漠戈壁灌木群落优势物种生态位特征
董雪, 李永华, 张正国, 李思瑶, 包岩峰, 郝玉光, 姚斌

Niche of dominant shrub species in desert gobi in Jiuquan Gansu, China
Xue Dong, Yonghua Li, Zhengguo Zhang, Siyao Li, Yanfeng Bao, Yuguang Hao, Bin Yao
表2 荒漠戈壁20个优势灌木物种生态位重叠
Table 2 Niche overlaps between 20 dominant species on desert gobi
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10.3170.4700.3660.5570.4970.0740.3660.2860.3800.3640.2850.8120.1100.0110.0440.4000.0940.1460.275
20.4080.1800.6630.5090.1230.5830.1260.5200.4370.5840.3680.0800.9010.3510.6680.4970.2820.1540.750
30.0710.0370.0800.5470.8170.0090.7020.0030.6190.0700.0500.7050.0170.0000.0000.2450.0690.5820.012
40.2270.5480.0570.6790.0830.4240.0300.5030.5440.6740.7790.0290.3520.1680.3120.4780.4370.1750.733
50.2330.3160.3990.6050.5570.1750.1080.3210.9290.4260.4740.3620.2110.0650.1510.7360.4420.4770.379
60.1990.1490.1330.1560.0040.0140.2510.0490.6810.1480.0320.7940.0310.0050.0050.1330.0410.8530.093
70.0900.5260.0010.3120.0770.0180.0010.4640.1080.4540.0080.0050.5610.3250.6190.1880.3870.0250.479
80.2270.0390.0830.0510.0000.3430.0220.0000.0490.0110.0120.4740.0040.0000.0000.0570.0160.0000.000
90.5710.7740.0290.8290.3880.0190.4570.0000.2970.7440.0530.0110.4160.0940.2500.6250.1760.1750.697
100.5180.2540.7570.4290.7310.0020.1440.0000.4730.3870.3990.3090.1680.0280.0780.6710.2740.7020.328
110.3270.6330.0520.9470.7380.0130.2320.0000.8380.5010.3220.1320.3870.1140.2290.4500.1560.2710.916
120.2690.9530.0460.5890.4400.1590.6630.0440.7040.2640.6570.0030.0320.0040.0060.1450.0420.0480.396
130.2140.3920.0690.8060.9100.0040.0900.0000.5540.5140.9020.4970.0060.0010.0010.0090.0030.4370.066
140.7830.7820.0360.3920.3170.0250.0930.0000.7430.4180.5670.6120.3600.3560.7230.2730.2020.0910.609
150.1810.7740.0020.6490.1590.0240.8520.0000.7940.2110.5750.8150.2900.3910.8760.0360.6750.0170.356
160.1000.5270.0000.5880.1270.0140.9200.0000.6610.2130.4540.6310.2370.1300.9360.1260.6520.0180.504
170.2130.8610.0330.4230.4560.0310.7290.0000.5540.2520.5270.9570.4500.5080.7440.6070.3250.1470.342
180.0980.5220.0240.5200.3850.0140.9360.0000.5270.2940.4690.7090.4140.1100.8210.9020.7740.0530.287
190.4520.8150.0130.4250.1580.0270.8710.0000.7390.2970.4350.8310.1940.5660.9010.8260.8280.8040.247
200.1280.3630.0480.9510.7300.0010.1630.0000.6860.4510.9390.4400.9090.2700.4580.4350.3210.4420.229