Claim · model-written summary
Polyculture overyielding was smaller under elevated CO2 than ambient CO2.
- Taxon
- treese1
- Treatment
- elevated CO(2)e0
- Outcome
- overyielding effect of polyculturee0
- Direction
- smallere0
- Value
- + 7%e0
- Qualifier
- + 18%e0
- Comparator
- ambient atmospheree0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSetting
Verbatim
e0“The overyielding effect of polyculture was smaller (+ 7%) in elevated CO(2) than in an ambient atmosphere (+ 18%).”
e1“The trees were exposed”
Title
Andrew R. Smith; Martin Lukac; Robin Hood; et al. New Phytologist 2013. doi:10.1111/nph.12136
Other claims from this paper (8)
- Intervention effect In monoculture, elevated CO2 raised Alnus glutinosa woody biomass by 29%.
- Intervention effect In monoculture, elevated CO2 raised Fagus sylvatica woody biomass by 22%.
- Intervention effect In monoculture, elevated CO2 raised Betula pendula woody biomass by 16%.
- Intervention effect In polyculture, Alnus glutinosa biomass response to CO2 was 10%.
- Intervention effect In polyculture, Betula pendula biomass response to CO2 was 7%.
- Intervention effect In polyculture, Fagus sylvatica biomass response to CO2 was 0%.
- Intervention effect Species mixtures increased aboveground biomass in ambient atmosphere.
- Intervention effect Species mixtures increased aboveground biomass under elevated CO2.