鼎湖山马尾松径向生长动态与气候因子的关系  

Relationship between climatic factors and radial growth of Pinus massoniana in Dinghushan Mountain

作　　者：侯爱敏[1] 周国逸[1] 彭少麟[1] 

机构地区：[1]中国科学院华南植物研究所,广州510650

出　　处：《应用生态学报》2003年第4期637-639,共3页Chinese Journal of Applied Ecology

基　　金：国家自然科学基金重大项目 ( 39899370和 3992 80 0 7);广东省自然科学基金重大项目 ( 980 95 2 );中国科学院"九五"重大项目 (KZ951 -B1 -110 ) .

摘　　要：Dendroclimatology method was used to study the relationship between ring index of Pinus massoniana and three climate factors in Dinghushan, South China. The ring indices were negatively correlated with the average temperature in June, August and September, and positively correlated with the average temperature of March, whereas no statistically significant correlation was found with monthly precipitation, showing that high summer temperature could limit the radial growth of the species. Meanwhile, tree ring indices showed a strong positive correlation with the relative humidity of April, June, August, September, October and November, and also with the average humidity of the whole year, indicating that atmospheric moisture could not fully satisfy the growth of Pinus massoniana despite of abundant rainfall. The possible impact of climate change on the growth of Pinus massoniana was discussed accordingly.Dendroclimatology method was used to study the relationship between ring index of Pinus massoniana and three climate factors in Dinghushan, South China. The ring indices were negatively correlated with the average temperature in June, August and September, and positively correlated with the average temperature of March, whereas no statistically significant correlation was found with monthly precipitation, showing that high summer temperature could limit the radial growth of the species. Meanwhile, tree ring indices showed a strong positive correlation with the relative humidity of April, June, August, September, October and November, and also with the average humidity of the whole year, indicating that atmospheric moisture could not fully satisfy the growth of Pinus massoniana despite of abundant rainfall. The possible impact of climate change on the growth of Pinus massoniana was discussed accordingly.

关 键 词：PinusMassoniana TEMPERATURE PRECIPITATION RelativeHumidity CLIMATECHANGE 

分 类 号：S791.248[农业科学—林木遗传育种]