风沙过渡区耕地生态系统净第一性生产力动态变化研究——以陕西榆阳区为例
莫宏伟, 任志远, 王欣, 韩用顺
Dynamic Changes of Net Primary Productivity of Cultivated Land in Wind-drift Sand Region—A Case of Yuyang Area of Northern Shaanxi Province
MO Hong-Wei, REN Zhi-Yuan, WANG Xin, HAN Yong-Shun
地理科学
.
2007, (4): 537
-541
.
DOI: 10.13249/j.cnki.sgs.2007.04.537
