论文部分内容阅读
简要阐述了1999~2002年科尔沁沙地东南部地区林业现状,并对出现的问题做以探讨。指出近几年连续高温、干旱少雨、地下水位下降是该地区樟子松、杨树枯死的主要原因,水分是限制科尔沁沙地植被状况的关键因素。
The situation of forestry in the southeastern part of Horqin Sandy Land from 1999 to 2002 was briefly described, and the problems appeared were discussed. It is pointed out that in recent years, continuous high temperature, less rainfall and lower groundwater level are the main reasons for the death of Pinus sylvestris var. Sylvestris and poplar in this region. Moisture is the key factor limiting the vegetation status in Horqin sandy land.