山东滨海盐碱地11个造林树种叶解剖特征对土壤条件的响应

陈旭,刘洪凯,赵春周,王强,王延平

Responses of foliar anatomical traits to soil conditions in 11 tree species on coastal saline-alkali sites of Shandong, China

CHEN Xu,LIU Hong-Kai,ZHAO Chun-Zhou,WANG Qiang,WANG Yan-Ping

表5 山东滨海盐碱地林地土壤理化性质与叶解剖性状相关性

Table 5 Correlations between physiochemical properties of forest sites and foliar anatomical characteristics on the coastal saline-alkali land of Shandong Province

相关性 Correlation 中脉直径 MV diameter 木质部厚度 X thickness 叶厚度 Leaf thickness 栅栏组织厚度 PT thickness 海绵组织厚度 ST thickness 栅栏/海绵组织 PT/ST 土壤pH Soil pH -0.355 -0.446 0.052 0.154 -0.288 0.667* 土壤电导率 Soil EC25℃ -0.002 -0.166 0.330 0.362 -0.114 0.782** 铵态氮含量 NH4-N content 0.531 0.597* 0.318 0.157 0.427 -0.282 硝态氮含量 NO3-N content 0.357 0.428 -0.094 -0.195 0.202 -0.592* 速效磷含量 AP content 0.373 0.462 0.469 0.297 0.561 -0.226