摘要
为了探讨人工林地力潜在的衰退趋势,采用模糊综合评价方法,对内蒙古锡林郭勒盟多伦县一家河牧场境内26年生杨树人工林和落叶松人工林的土壤养分进行了评价。结果表明,2种人工林下的土壤养分衰退趋势均不明显,客观地反映了这2种人工林在该地区造林26年后土壤养分变化的实际情况,为该地区人工林的营造及可持续经营提供了理论依据。
In order to discuss the potential declining trend of soil nutrient in plantations,by use of fuzzy assessment method,the soil nutrient of 26-year Populus hsinganica plantation and Larix gmelinii plantation have been studied in Yijiahe rangeland.The results show that the declining trend of soil nutrient in two plantations is unconspicuous,it reflects the actual situations of soil nutrient variation in two different plantations planted for 26 years,which provides a theoretical basis for the sustainable management of plantations.
出处
《内蒙古林业科技》
2010年第4期31-36,共6页
Journal of Inner Mongolia Forestry Science and Technology
基金
中国荒漠化监测中心多伦定位站项目资助
关键词
杨树人工林
落叶松人工林
土壤养分
模糊综合评价
Populus hsinganica plantation
Larix gmelinii plantation
soil nutrient
fuzzy assessment
