Abstract:The responses of photosynthesis and growth to increasing CO 2 concentration ([CO 2 ]) were investigated in Hippophae gyantsensis and H. rhamnoides subsp. yunnanensis, which are endemic at the Qinghai-Tibet Plateau and phylogenetically related, but distributed parapatrically in divergent regions. Seedlings of the two species were grown at ambient [AC; 360 µmol(CO 2 ) mol -1 ] and elevated [EC; 720 µmol(CO 2 ) mol -1 ] [CO 2 ] in growth chambers. The responses to EC were significantly different between the two s… Show more
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