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本文运用ARC/INFO地理信息系统结合趋势面分析,对福建省大田桃源林场引种的25年生的89个马尾松种源的树高、胸径、材积的地理变异进行空间分析和基于GIS的表述。研究结果表明:各种源树高生长的趋势面高值区主要分布在福建、江西、湖南的南部,广西的东部及广东。各种源胸径和材积生长的趋势面高值区在广西中部、南部,广东、福建和江西三省交接地带。从上面的结果可以看出,马尾松的高产种源主要分布在我国广西的中南部和广东、福建和江西三省交接地带。这为马尾松种源的合理区划和种子调拔提供了理论依据。
Based on ARC / INFO geographic information system combined with trend surface analysis, spatial analysis and GIS-based representation of the tree height, DBH, and geographic variation of 25-year-old provenances of Pinus massoniana from 25 years in Taoyuan, Fujian Province were conducted. The results show that the high values of trend surface height of all kinds of source trees are mainly distributed in Fujian, Jiangxi, southern Hunan, eastern Guangxi and Guangdong. The high value areas of DBH and volume growth of all kinds originated in the middle and southern part of Guangxi, Guangdong, Fujian and Jiangxi provinces. As can be seen from the above results, the high-yield provenance of masson pine is mainly distributed in the central-southern part of Guangxi of China and the handover of Guangdong, Fujian and Jiangxi provinces. This provides a theoretical basis for the rational division of seed germplasm and seed transfer.