Responses of two endemic species of Hippophae at the Qinghai-Tibet Plateau to elevated CO2 concentration

Verfasser / Beitragende:
[F. Ma, T. Xu, M. Ji, C. Zhao]
Ort, Verlag, Jahr:
2015
Enthalten in:
Photosynthetica, 53/3(2015-09-01), 395-402
Format:
Artikel (online)
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024 7 0 |a 10.1007/s11099-015-0125-2  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s11099-015-0125-2 
245 0 0 |a Responses of two endemic species of Hippophae at the Qinghai-Tibet Plateau to elevated CO2 concentration  |h [Elektronische Daten]  |c [F. Ma, T. Xu, M. Ji, C. Zhao] 
520 3 |a The responses of photosynthesis and growth to increasing CO2 concentration ([CO2]) 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(CO2) mol−1] and elevated [EC; 720 μmol(CO2) mol−1] [CO2] in growth chambers. The responses to EC were significantly different between the two species. EC induced an increase in photosynthesis, stomatal conductance, intrinsic water-use efficiency, apparent quantum efficiency, total dry mass, and a decrease in photorespiration rate, maximum carboxylation rate of Rubisco, and maximum electron transport rate in H. gyantsensis compared to those in H. rhamnoides subsp. yunnanensis. Moreover, a significant increase in leaf nitrogen content and a decrease in root/shoot ratio was also observed in H. gyantsensis. H. gyantsensis showed a significantly higher specific leaf area than that of H. rhamnoides through treatments. Relative to H. rhamnoides subsp. yunnanensis, H. gyantsensis showed a greater potential to increase photosynthesis and growth to cope with the increasing [CO2] and it might expand its distribution range in the future. 
540 |a The Institute of Experimental Botany, 2015 
690 7 |a biomass allocation  |2 nationallicence 
690 7 |a leaf gas exchange  |2 nationallicence 
690 7 |a leaf properties  |2 nationallicence 
690 7 |a AC : ambient [CO2]  |2 nationallicence 
690 7 |a AQE : apparent quantum efficiency  |2 nationallicence 
690 7 |a [CO2] : CO2 concentration  |2 nationallicence 
690 7 |a Carea : area-based carbon content  |2 nationallicence 
690 7 |a C i : intercellular [CO2]  |2 nationallicence 
690 7 |a C/N : carbon/nitrogen ratio  |2 nationallicence 
690 7 |a EC : elevated [CO2]  |2 nationallicence 
690 7 |a g s : stomatal conductance  |2 nationallicence 
690 7 |a LMF : leaf mass fraction  |2 nationallicence 
690 7 |a MSLA : mean single leaf area  |2 nationallicence 
690 7 |a Narea : area-based nitrogen content  |2 nationallicence 
690 7 |a J max : maximum electron transport rate  |2 nationallicence 
690 7 |a P N : net photosynthetic rate  |2 nationallicence 
690 7 |a P Nmax : light-saturated net photosynthetic rate  |2 nationallicence 
690 7 |a QTP : Qinghai-Tibet Plateau  |2 nationallicence 
690 7 |a R D : dark respiration rate  |2 nationallicence 
690 7 |a R L : photorespiration rate  |2 nationallicence 
690 7 |a RMF : root mass fraction  |2 nationallicence 
690 7 |a R/S : root/shoot ratio  |2 nationallicence 
690 7 |a SLA : specific leaf area  |2 nationallicence 
690 7 |a SMF : stem mass fraction  |2 nationallicence 
690 7 |a DM : total dry mass  |2 nationallicence 
690 7 |a V cmax : maximum carboxylation rate of Rubisco  |2 nationallicence 
690 7 |a WUEi : intrinsic water-use efficiency  |2 nationallicence 
700 1 |a Ma  |D F.  |u New Technology Application, Research and Development Center, Ningxia University, 750021, Yinchuan, China  |4 aut 
700 1 |a Xu  |D T.  |u School of Life Science, Ningxia University, 750021, Yinchuan, China  |4 aut 
700 1 |a Ji  |D M.  |u State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou University, 730000, Lanzhou, China  |4 aut 
700 1 |a Zhao  |D C.  |u State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou University, 730000, Lanzhou, China  |4 aut 
773 0 |t Photosynthetica  |d The Institute of Experimental Biology of the Czech Academy of Sciences  |g 53/3(2015-09-01), 395-402  |x 0300-3604  |q 53:3<395  |1 2015  |2 53  |o 11099 
856 4 0 |u https://doi.org/10.1007/s11099-015-0125-2  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s11099-015-0125-2  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ma  |D F.  |u New Technology Application, Research and Development Center, Ningxia University, 750021, Yinchuan, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Xu  |D T.  |u School of Life Science, Ningxia University, 750021, Yinchuan, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ji  |D M.  |u State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou University, 730000, Lanzhou, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhao  |D C.  |u State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou University, 730000, Lanzhou, China  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Photosynthetica  |d The Institute of Experimental Biology of the Czech Academy of Sciences  |g 53/3(2015-09-01), 395-402  |x 0300-3604  |q 53:3<395  |1 2015  |2 53  |o 11099