A preliminary study on population structure of cathaya argyrophyella in dashahe nature reserve of guizhou 贵州大沙河自然保护区银杉种群结构初步研究
2.
Runoff and sediment variations due to human activities in dashahe watershed of southwest region of anhui province 皖西南大沙河流域水沙变化及其与人类活动的影响
3.
Loess layers with varying thicknesses are widely distributed on the terraces of the dashahe river and the piedmonts along northwestern margin of mountainous areas of central southern shandong province 摘要在鲁中南山地西北边缘的山麓地带及大沙河沿岸的阶地广泛分布着厚度不一的黄土堆积。