河湟谷地近20年耕地利用变化的土壤保持效应 / Soil conservation effect of cropland use change in the Yellow River-Huangshui River Valley over the past 20 years
- Resource Type
- Academic Journal
- Source
- 中国水土保持科学 / Science of Soil and Water Conservation. 21(1):55-63
- Subject
土壤保持 耕地利用 时空变化 河湟谷地 - Language
- Chinese
- ISSN
- 2096-2673