300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Picea mariana (P. Mill.) B.S.P. [Black Spruce]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
18
|
|
|
Arithmetic Mean |
36.1%
|
|
|
Standard Error |
10.1%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Bigras and Bertrand (2006) |
Biomass at the end of growing season of well watered and fertilized plants grown from seed in containers filled with a 3:1 mix of peat:vermiculate in mini-greenhouses located within a larger greenhouse where they were exposed to environmental conditions that simulated a complete year
|
34%
|
|
|
Bigras and Bertrand (2006) |
Biomass at the end of winter of well watered and fertilized plants grown from seed in containers filled with a 3:1 mix of peat:vermiculate in mini-greenhouses located within a larger greenhouse where they were exposed to environmental conditions that simulated a complete year
|
16%
|
|
|
Johnsen (1993) |
growth chambers, day 78, well-watered
|
6%
|
|
|
Johnsen (1993) |
growth chambers, day 78, drought
|
22%
|
|
|
Johnsen (1993) |
growth chambers, day 155, well-watered
|
20%
|
|
|
Johnsen (1993) |
growth chambers, day 155, drought
|
27%
|
|
|
Johnsen (1993) |
growth chambers, day 78, low nutrients
|
11%
|
|
|
Johnsen (1993) |
growth chambers, day 78, high nutrients
|
14%
|
|
|
Johnsen (1993) |
growth chambers, day 155, low nutrients
|
16%
|
|
|
Johnsen (1993) |
growth chambers, day 155, high nutrients
|
26%
|
|
|
Johnsen and Seiler (1996) |
greenhouse growth chambers
|
52%
|
|
|
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
|
9%
|
|
|
Marfo and Dang (2009) |
Well watered and fertilized one-year-old seedlings grown in pots within greenhouses for 4.5 additional months under 100% full light conditions
|
61%
|
|
|
Marfo and Dang (2009) |
Well watered and fertilized one-year-old seedlings grown in pots within greenhouses for 4.5 additional months under 50% of full light conditions
|
61%
|
|
|
Marfo and Dang (2009) |
Well watered and fertilized one-year-old seedlings grown in pots within greenhouses for 4.5 additional months under 30% of full light conditions
|
200%
|
|
|
Tjoelker et al. (1998) |
Seedlings grown for three months in controlled environment chambers at day/night temperatures ranging from 21/15 to 30/24?C (average results)
|
34%
|
|
|
Zhang and Dang (2007) |
Well watered and fertilized one-year-old seedlings grown one to a pot (13.5 cm high, 11 cm diameter) filled with a 1:1 mixture of peat moss and vermiculite for four months (March-June) in greenhouses at low (7-10?C) soil temperatures
|
23%
|
|
|
Zhang and Dang (2007) |
Well watered and fertilized one-year-old seedlings grown one to a pot (13.5 cm high, 11 cm diameter) filled with a 1:1 mixture of peat moss and vermiculite for four months (March-June) in greenhouses at high (27-30?C) soil temperatures
|
18%
|
|
|