搜索结果: 1-1 共查到“农学 substitute tree species stands”相关记录1条 . 查询时间(0.086 秒)
Conversion of substitute tree species stands and pure spruce stands in theOreMountains inSaxony– A Report
substitute tree species stands pure spruce stands species composition conversion Ore Mountains Mts. Germany
2015/2/6
The original natural forest ecosystems of the OreMountains(Norway spruce, silver fir, and beech forests) have been destroyed by overcropping since the 11th century. In the 19th century spruce afforest...