| Autor: |
Li, Yu Huan, Li, Deng Qiu, Wu, Jie |
| Zdroj: |
Applied Mechanics and Materials; May 2014, Vol. 556 Issue: 1 p916-920, 5p |
| Abstrakt: |
The spatial variability of single ecological factors of the farmland and the synergies among the ecological factors were studied by using geostatistical analysis and factorial kriging analysis (FKA).The results show that all of the spherical models of the co-variogram can be grouped into four parts: the nugget part, the small-scale part, the medium-scale part, and the large-scale part. The mean value of the small-scale range (1.12-1.85 km) is approximately 1.50 km, that of the medium-scale range (3.40-4.10 km) is approximately 3.8 km, and that of the large-scale range (9.35-10.10 km) is approximately 9.8 km. The correlations between each factor on the four scales vary, and the correlation between each factor on the medium scale is the strongest. In this paper, the ecological factors of the farmland on the medium scale have relatively consistent variability and sources, indicating that all of the factors on that scale have a high coordination. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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