CAJ | 학술논문

基于建立的须弥山油松树轮宽度年表，分析了油松径向生长与该区气温、降水和帕尔默干旱指数(PDSI)等主要气候因子之间的关系.结果显示研究区油松径向生长与前一年9、11月和当年4、6、7月的气温呈极为显著负相关(P<0.01)，与当年5月的气温呈显著的负相关(P<0.05)，与前一年9月的降水呈极为显著正相关(P<0.01)，与当年7月的降水呈显著正相关(P<0.05)，与前一年9月至当年8月 PDSI呈极为显著的正相关(P<0.01).分析表明，六盘山地区树木径向生长对气候因子具有明显的响应关系，与全年的气温呈负相关关系，与生长季的降水呈正相关关系，由气温和降水共同决定的干旱程度是限制油松径向生长的主要因子.
기우건립적수미산유송수륜관도년표，분석료유송경향생장여해구기온、강수화파이묵간한지수(PDSI)등주요기후인자지간적관계.결과현시연구구유송경향생장여전일년9、11월화당년4、6、7월적기온정겁위현저부상관(P<0.01)，여당년5월적기온정현저적부상관(P<0.05)，여전일년9월적강수정겁위현저정상관(P<0.01)，여당년7월적강수정현저정상관(P<0.05)，여전일년9월지당년8월 PDSI정겁위현저적정상관(P<0.01).분석표명，륙반산지구수목경향생장대기후인자구유명현적향응관계，여전년적기온정부상관관계，여생장계적강수정정상관관계，유기온화강수공동결정적간한정도시한제유송경향생장적주요인자.
The relationships between radial tree growth and related climatic variables such as temperature, precipitation and PDSI were analyzed from established standard ring-width index series of Pinus tabulaeformis on Xumi Mountain.Radial Pinus tabulaeformis growth was negatively correlated with temperature in last September and November and this April,June and July (P<0.01),negatively correlated with temperature in May (P<0.05),positively correlated with precipitation in last Septembe (P<0.01),positively correlated with precipitation in July (P<0.05),positively correlated with PDSI from last September to August (P<0.01).It is shown that radial tree growth in Liupan Mountains area was sensitive to and consistent with climate.Not low temperature but drought due to high temperature and low precipitation was the major limiting factor to radial tree growth.