摘要
利用ISSR技术分析了长白山不同海拔高度红松的遗传分化 ,发现该地区红松的遗传多样性水平呈现随海拔升高而降低的趋势。长白山不同海拔高度红松的变异主要来自群体内 ;红松之间的遗传距离和垂直地理距离之间有明显的正相关性。遗传一致度表明 ,海拔高度对红松这一物种的隔离较小。推测 :红松的垂直分布是由低海拔处向高海拔处扩散而形成的。
The genetic differentiation of Pinus koraiensis (Korean pine) in different altitude in Changbai Mountains was analyzed with the help of ISSR technique, and it was found that the level of genetic diversity of Korean pine reduces along with the altitude hoisting in Changbai Mountains. The variation of Korean pine is mainly in the population and there is a positive relativity between genetic distance and upright geographic distance among Korean pine in different altitudes. The genetic coherence shows that altitude has less insulation to the Korean pine species. Therefore it is deduced that the terrain formation of upright distribution for Korean pine is a result of diffusion from lower altitude to higher altitude in the course of enlarging its adaptability.
出处
《东北林业大学学报》
CAS
CSCD
北大核心
2004年第3期1-3,共3页
Journal of Northeast Forestry University
基金
国家"十五"攻关子课题资助项目 (2 0 0 2BA51 5B0 4 0 4 )
关键词
长白山
ISSR
红松
海拔
遗传分化
Changbai Mountains
ISSR
Pinus koraiensis
Altitude
Genetic differentiation
