甘肃酒泉荒漠戈壁灌木群落优势物种生态位特征
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董雪, 李永华, 张正国, 李思瑶, 包岩峰, 郝玉光, 姚斌
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Niche of dominant shrub species in desert gobi in Jiuquan, Gansu, China
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Xue Dong, Yonghua Li, Zhengguo Zhang, Siyao Li, Yanfeng Bao, Yuguang Hao, Bin Yao
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表2 荒漠戈壁20个优势灌木物种生态位重叠
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Table 2 Niche overlaps between 20 dominant species on desert gobi
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
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1 | | 0.317 | 0.470 | 0.366 | 0.557 | 0.497 | 0.074 | 0.366 | 0.286 | 0.380 | 0.364 | 0.285 | 0.812 | 0.110 | 0.011 | 0.044 | 0.400 | 0.094 | 0.146 | 0.275 | 2 | 0.408 | | 0.180 | 0.663 | 0.509 | 0.123 | 0.583 | 0.126 | 0.520 | 0.437 | 0.584 | 0.368 | 0.080 | 0.901 | 0.351 | 0.668 | 0.497 | 0.282 | 0.154 | 0.750 | 3 | 0.071 | 0.037 | | 0.080 | 0.547 | 0.817 | 0.009 | 0.702 | 0.003 | 0.619 | 0.070 | 0.050 | 0.705 | 0.017 | 0.000 | 0.000 | 0.245 | 0.069 | 0.582 | 0.012 | 4 | 0.227 | 0.548 | 0.057 | | 0.679 | 0.083 | 0.424 | 0.030 | 0.503 | 0.544 | 0.674 | 0.779 | 0.029 | 0.352 | 0.168 | 0.312 | 0.478 | 0.437 | 0.175 | 0.733 | 5 | 0.233 | 0.316 | 0.399 | 0.605 | | 0.557 | 0.175 | 0.108 | 0.321 | 0.929 | 0.426 | 0.474 | 0.362 | 0.211 | 0.065 | 0.151 | 0.736 | 0.442 | 0.477 | 0.379 | 6 | 0.199 | 0.149 | 0.133 | 0.156 | 0.004 | | 0.014 | 0.251 | 0.049 | 0.681 | 0.148 | 0.032 | 0.794 | 0.031 | 0.005 | 0.005 | 0.133 | 0.041 | 0.853 | 0.093 | 7 | 0.090 | 0.526 | 0.001 | 0.312 | 0.077 | 0.018 | | 0.001 | 0.464 | 0.108 | 0.454 | 0.008 | 0.005 | 0.561 | 0.325 | 0.619 | 0.188 | 0.387 | 0.025 | 0.479 | 8 | 0.227 | 0.039 | 0.083 | 0.051 | 0.000 | 0.343 | 0.022 | | 0.000 | 0.049 | 0.011 | 0.012 | 0.474 | 0.004 | 0.000 | 0.000 | 0.057 | 0.016 | 0.000 | 0.000 | 9 | 0.571 | 0.774 | 0.029 | 0.829 | 0.388 | 0.019 | 0.457 | 0.000 | | 0.297 | 0.744 | 0.053 | 0.011 | 0.416 | 0.094 | 0.250 | 0.625 | 0.176 | 0.175 | 0.697 | 10 | 0.518 | 0.254 | 0.757 | 0.429 | 0.731 | 0.002 | 0.144 | 0.000 | 0.473 | | 0.387 | 0.399 | 0.309 | 0.168 | 0.028 | 0.078 | 0.671 | 0.274 | 0.702 | 0.328 | 11 | 0.327 | 0.633 | 0.052 | 0.947 | 0.738 | 0.013 | 0.232 | 0.000 | 0.838 | 0.501 | | 0.322 | 0.132 | 0.387 | 0.114 | 0.229 | 0.450 | 0.156 | 0.271 | 0.916 | 12 | 0.269 | 0.953 | 0.046 | 0.589 | 0.440 | 0.159 | 0.663 | 0.044 | 0.704 | 0.264 | 0.657 | | 0.003 | 0.032 | 0.004 | 0.006 | 0.145 | 0.042 | 0.048 | 0.396 | 13 | 0.214 | 0.392 | 0.069 | 0.806 | 0.910 | 0.004 | 0.090 | 0.000 | 0.554 | 0.514 | 0.902 | 0.497 | | 0.006 | 0.001 | 0.001 | 0.009 | 0.003 | 0.437 | 0.066 | 14 | 0.783 | 0.782 | 0.036 | 0.392 | 0.317 | 0.025 | 0.093 | 0.000 | 0.743 | 0.418 | 0.567 | 0.612 | 0.360 | | 0.356 | 0.723 | 0.273 | 0.202 | 0.091 | 0.609 | 15 | 0.181 | 0.774 | 0.002 | 0.649 | 0.159 | 0.024 | 0.852 | 0.000 | 0.794 | 0.211 | 0.575 | 0.815 | 0.290 | 0.391 | | 0.876 | 0.036 | 0.675 | 0.017 | 0.356 | 16 | 0.100 | 0.527 | 0.000 | 0.588 | 0.127 | 0.014 | 0.920 | 0.000 | 0.661 | 0.213 | 0.454 | 0.631 | 0.237 | 0.130 | 0.936 | | 0.126 | 0.652 | 0.018 | 0.504 | 17 | 0.213 | 0.861 | 0.033 | 0.423 | 0.456 | 0.031 | 0.729 | 0.000 | 0.554 | 0.252 | 0.527 | 0.957 | 0.450 | 0.508 | 0.744 | 0.607 | | 0.325 | 0.147 | 0.342 | 18 | 0.098 | 0.522 | 0.024 | 0.520 | 0.385 | 0.014 | 0.936 | 0.000 | 0.527 | 0.294 | 0.469 | 0.709 | 0.414 | 0.110 | 0.821 | 0.902 | 0.774 | | 0.053 | 0.287 | 19 | 0.452 | 0.815 | 0.013 | 0.425 | 0.158 | 0.027 | 0.871 | 0.000 | 0.739 | 0.297 | 0.435 | 0.831 | 0.194 | 0.566 | 0.901 | 0.826 | 0.828 | 0.804 | | 0.247 | 20 | 0.128 | 0.363 | 0.048 | 0.951 | 0.730 | 0.001 | 0.163 | 0.000 | 0.686 | 0.451 | 0.939 | 0.440 | 0.909 | 0.270 | 0.458 | 0.435 | 0.321 | 0.442 | 0.229 | |
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