作者: Soumen N. Ghosh and Rhonda Skaggs
DOI: 10.1017/S1074070800008877
关键词:
摘要: Markov chain analysis (one-step and long-run) is applied to the National Resources Inventory (NRI) database evaluate changes in wind-based soil erosion rates over time. The research compares between NRI sample sites with without conservation practices for a random of Great Plains counties. No significant differences are found half counties evaluated. effectiveness efficiency policies thus questioned light these results.