摘要
ElementcontentsoftreeringsandsoilsneartreerootscollectedfromDeodarcedar(Cedrusdeodara(Roxb.)G.Don)andMassonpine(Pinusmassonianalamb).weredeterminedtostudytherelationshipbetweentheangulardistributionofelementcontentsintreeringsandtheenvironmentalinformation.Thechemicalcompositionandpropertiesofsoilareverymuchcmoplicated,whichleadstothenon-uniformdistributionoftheelementcontentsintreerings.Thestatisticalmulti-varialberegressionmethodwasusedtogettheinformationofthetree-centereddistributionofelementcontentsintheenvironment(soil),(C'),C'(Z,θj),fromthedistribtuionofelementcontentsintreerings(C),C(Z,θi),whichdependsontheplaneazimuthangle(θi),i.e.,C=C(Z,θi),whereZistheatomicnumberoftheelement,withasatisfactoryresultthoughthisstudyisonlyaprimaryone.
出版日期
1999年01月11日（中国Betway体育网页登陆平台首次上网日期，不代表论文的发表时间）
