固沙措施对流动沙丘植被和土壤特性的影响
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程莉, 宁志英, 杨红玲, 李玉霖
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Effects of different sand-fixation measures on vegetation and soil characteristics of high and flat mobile dunes
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Li Cheng, Zhiying Ning, Hongling Yang, Yulin Li
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表4 高大和平缓流动沙丘固沙措施对土壤性质影响的方差分析
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Table 4 ANOVA analysis of different sand fixation measures on soil properties in high and flat mobile sand dunes
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项目 | 土壤含水量 | 土壤有机碳含量 | 土壤全氮含量 | 砂粒 | 粉粒 | 黏粒 |
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F | P | F | P | F | P | F | P | F | P | F | P |
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沙丘类型 | 0.004 | 0.950 | 1.008 | 0.318 | 1.514 | 0.222 | 0.025 | 0.874 | 1.852 | 0.177 | 2.048 | 0.156 | 固沙措施 | 4.537 | 0.013 | 70.334 | < 0.001 | 45.542 | < 0.001 | 8.353 | < 0.001 | 1.487 | 0.232 | 7.154 | 0.001 | 年份 | 68.079 | < 0.001 | 7.797 | 0.001 | 5.165 | 0.008 | 0.253 | 0.777 | 1.287 | 0.281 | 1.444 | 0.241 | 沙丘类型×固沙措施 | 0.255 | 0.960 | 0.822 | 0.514 | 0.349 | 0.844 | 0.982 | 0.422 | 0.323 | 0.862 | 1.246 | 0.297 | 沙丘类型×年份 | 0.566 | 0.570 | 0.001 | 1.000 | 0.052 | 0.949 | 2.025 | 0.138 | 4.059 | 0.060 | 4.088 | 0.060 | 固沙措施×年份 | 1.029 | 0.397 | 0.378 | 0.824 | 1.471 | 0.217 | 0.191 | 0.943 | 0.067 | 0.992 | 0.222 | 0.926 | 沙丘类型×固沙措施×年份 | 0.432 | 0.651 | 1.086 | 0.342 | 0.574 | 0.566 | 0.082 | 0.921 | 0.130 | 0.879 | 0.347 | 0.708 |
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