摘要
距今３０００～２０００年前，黄土高原六盘山以东、吕梁山以西、长城以南地区显域生境植被为疏林灌丛草原，并存在一定的区域差异。唐宋时期，黄土高原的植被表现出显著的变化，主要是草原带的南移和某些耐旱植物分布范围的扩大。自北宋以后，人类活动对植被的破坏越来越强烈，掩盖了植被由于自然原因发生的变化。
About 3000-2000 years ago. the habitat vegetation of the area to the east of Liupan Mountain. west ofLuliang Mountain and south of the Great Wall of the loess platean is grasslands with sparse andshrubs and exists a certain regional differences. During the Tang and Song Dynasty, the vegetation in theloess plateau area changes remarkably. mainly causing the southward movement of grasslands region and theexpansion of some drought-enduring plants. Since the Northern Song Dynasty, the destruction of human activities to vegetation becomes worse and worse. consealing the variations caused by natural reasons
出处
《人民黄河》
CAS
北大核心
1994年第2期9-12,共4页
Yellow River
关键词
黄土高原
植被变迁
历史时期
historical vegetation
changes of vegetation
loess plateau
