HU Zhen-hua,WANG Dian-long,HU Qi-yue.Comparative Study on Growth and Transpiration of Pinus sylvestris var.Mongolica and Pinus tabulaeformis in North Shanxi Province[J].Research of Soil and Water Conservation,2008,15(01):69-71.
山西省雁北地区沙地樟子松和油松生长及蒸腾特性对比研究
- Title:
- Comparative Study on Growth and Transpiration of Pinus sylvestris var.Mongolica and Pinus tabulaeformis in North Shanxi Province
- Keywords:
- Pinus sylvestris var.mongolica; Populus simonii; growth indices; transpiration rate; drought resistance
- 分类号:
- S715.4
- 摘要:
- 樟子松和油松是山西省雁北地区防风固沙的主要造林树种，由于该地区特殊的自然地理、气候条件，使两树种的生长状况呈现出一定的差异。对两树种的生长情况、树木蒸腾等进行研究，研究表明：樟子松自引种到山西省雁北地区以来长势良好，胸径、树高等各项生长指标都远远超过乡土树种油松，而且蒸腾强度弱，具有较强的抗旱性，是雁北地区造林的理想树种之一；油松是雁北地区的乡土树种，蒸腾强度弱，抗旱性强，也可作为雁北地区的主要造林树种之一。但是由于两树种生长状况存在明显的差异，从而导致在防风固沙方面和生态环境的改善方面有很大区别，因而，研究两树种的适生性和生长差异对雁北地区优选造林树种、适地适树，从根本上改善生态环境具有重要的意义。
- Abstract:
- Pinus sylvestris var.mongolica and Pinus tabulaeformis are main reproducing tree species to defend wind and sand in north Shanxi province.Because of special physical geography and weather, the growth of these two kinds is very different.The paper studied the growing indices and the transpiration rate of these two kinds of trees.The results show that Pinus sylvestris var.mongolica is growing and developing regularly in north Shanxi province which is better than Pinus tabulaeformis, and its transpiration rate is weak, its drought-resistance is strong.So it is one of the best reproducing tree species in north Shanxi province.Pinus tabulaeformis is local tree species of north Shanxi province which have the characteristic of broad accommodation, stronger resistance, weaker transpiration rate, stronger drought-resistance, it is also one of the important reproducing tree species of north Shanxi province.Because of the obvious difference of these two kinds of trees, they have very big difference in defending wind and sand and in improving the environment.So it is very important to study the characteristics of these two kinds of trees, such as their adaptability and growing difference, this will contribute to selecting trees species according to site factors and improving the ecological environment completely in North Shanxi Province.
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备注/Memo
收稿日期:2006-9-11
基金项目:山西省青年科技研究基金项目（20031048）
作者简介:胡振华（1968- ），男，山西五台人，副教授，博士，主要从事水土保持生态修复与土壤侵蚀研究。