In addition,daily and seasonal change of canopy photosynthesis of the alder cypress plantation basically accorded with that of alder,because of different biological and ecological traits of alder and cypress.

• 研究还表明 ,桤柏混交林林冠光合作用的日变化和季节变化进程基本上与桤木的变化趋势一致 ,这主要由桤柏木的生物生态学特性决定 ;