300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Picea rubens [Red Spruce]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
1
|
|
3
|
Arithmetic Mean |
15%
|
|
41.7%
|
Standard Error |
0%
|
|
10.6%
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Jones and Reekie (2007) |
Well watered and fertilized plants grown from small seeds to 98 days past emergence in a 1:1 mixture of autoclaved sand and peat in 74-cm3 containers within controlled environment chambers
|
|
|
37%
|
Jones and Reekie (2007) |
Well watered and fertilized plants grown from medium seeds to 98 days past emergence in a 1:1 mixture of autoclaved sand and peat in 74-cm3 containers within controlled environment chambers
|
|
|
66%
|
Jones and Reekie (2007) |
Well watered and fertilized plants grown from large seeds to 98 days past emergence in a 1:1 mixture of autoclaved sand and peat in 74-cm3 containers within controlled environment chambers
|
|
|
22%
|
Major et al. (2015) |
Well-watered and fertilized trees grown from the seeds of 12 populations from across eastern Canada for a period of five years, while rooted in deep felt root control bags within climate-controlled chambers located in a greenhouse, where CO2 enrichment was started at the beginning of the second of the five years
|
15%
|
|
|