CO2 Science

Plant Photosynthesis (Net CO2 Exchange Rate) Responses
to Atmospheric CO2 Enrichment
Q

	300 ppm			600 ppm			900 ppm
Plant Name	Number of Studies	Arithmetic Mean	Standard Error	Number of Studies	Arithmetic Mean	Standard Error	Number of Studies	Arithmetic Mean	Standard Error
Quercus pyrenaica [Pyrenean Oak ]	2	38%	6.4%
Quercus alba [White Oak]	3	142%	38.3%
Quercus chapmanii [Chapman's Oak]	4	53%	4.1%
Quercus crispula [Mongolian Oak]	2	19%	3.5%	2	68.5%	1.1%
Quercus geminata [Sand Live Oak]	6	15.7%	5.9%
Quercus ilex [Holly Oak]	11	91.4%	30.1%
Quercus mongolica [Mongolian Oak]	25	74.2%	12.9%
Quercus myrtifolia [Myrtle Oak]	9	60.6%	7.7%
Quercus petraea [Durmast Oak]	2	23.5%	0.4%
Quercus pubescens [Downy Oak]	5	136.8%	58.5%
Quercus robur [Pedunculate Oak]	9	35.8%	6.2%
Quercus rubra [Northern Red Oak]	16	63%	10.4%	1	82%	0%
Quercus suber [Cork Oak]	3	28.7%	16.9%	1	130%	0%	1	180%	0%
Quillwort, Lake [Isoetes macrospora]				1	100%	0%
Quinoa [Chenopodium quinoa]	3	93%	21.2%