STUDY ON GAS EXCHANGE CHARACTERISTICS OF MAIN CONSTRUCTIVE PLANTS A.ordosica and C.korshinskii IN SHAPTOU REGION
沙坡头主要建群植物油蒿和柠条的气体交换特征研究

The gas exchange characteristics of A.ordosica and C.korshinskii grown on Shaptou artificial stabilized dunes,was studied under natural conditions by using a portable Li 6200 gas analysis system.The results indicated that the diurnal courses of photosynthetic rate in A.ordosica and C.korshinskii displayed significantly less symmetrical two peak pattern,with a predominant morning peak on hot,bright sunny day.The diurnal course of stomatal conductance exhibited also a similar diurnal course ...