Keyphrases
Ecosystem Productivity
100%
Positive Feedback
100%
Rising CO2
100%
Water Use Efficiency
60%
Atmospheric CO2
40%
Atmospheric CO2 Concentration
40%
Plant Samples
40%
Soil CO2 Flux
40%
Intrinsic WUE
40%
Adaptation
20%
Air Temperature
20%
Temporal Trends
20%
Growing Season
20%
Stomatal Conductance
20%
Stomata
20%
Plant Physiology
20%
Carbon Uptake
20%
CO2 Concentration
20%
Negative Influence
20%
Complex Effects
20%
Growth Season
20%
Effects on Plants
20%
Plant Productivity
20%
Carbon Isotopes
20%
Wheat Triticum Aestivum
20%
Free-air CO2 Enrichment
20%
Long-term Ecological Research
20%
Non-parallel
20%
Plant Physiological Responses
20%
High Crop Yield
20%
Complex Feedback
20%
Freshwater Resources
20%
C Isotopes
20%
CO2 Fertilization
20%
Intrinsic Water-use Efficiency (iWUE)
20%
Plant Water-use Efficiency
20%
Flux Data
20%
CO2 Limitation
20%
Canadian Goldenrod
20%
Enzymatic Carboxylation
20%
Atmospheric Climate
20%
Mauna Loa
20%
Perennial Forbs
20%
Air Plants
20%
Increasing CO2 Concentration
20%
Atmosphere Air
20%
Solidago Canadensis
20%
Historical Change
20%
Earth and Planetary Sciences
Atmospherics
100%
Water Use Efficiency
100%
Positive Feedback
100%
Planetary Atmosphere
28%
Growing Season
14%
Air Temperature
14%
Canada
14%
Crop Yield
14%
Isotopic Ratio
14%
Freshwater Resource
14%
Carboxylation
14%
Agricultural and Biological Sciences
Water Use Efficiency
100%
Perennials
14%
Stomatal Conductance
14%
Growing Season
14%
Physiological Response
14%
Stoma
14%
Forb
14%
Triticum aestivum
14%
Carboxylation
14%
Goldenrod
14%
Loa
14%
Solidago Canadensis
14%