Claim · model-written summary
The greatest water deficit reduced annual biomass production by 30% in Mediterranean populations.
- Taxon
- Dactylis glomerata L. and Festuca arundinacea (Schreb.)
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Dactylis glomerata
Lolium arundinaceume1 - Material
- Mediterranean populationse0
- Treatment
- greatest CSSWDe0
- Outcome
- annual biomass productione0
- Direction
- reducede0
- Value
- 30%e0
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e0“Under the greatest CSSWD , annual biomass production was reduced on average by 60% and 30% with temperate and Mediterranean populations, respectively”
e1“Dactylis glomerata L. and Festuca arundinacea (Schreb.)”
Title
Magalie Poirier; Jean‐Louis Durand; Florence Volaire Global Change Biology 2012. doi:10.1111/j.1365-2486.2012.02800.x
Other claims from this paper (8)
- Intervention effect Controlled heat waves did not increase membrane damage in surviving aerial tissues.
- Mechanism Greater soil water deficit was the main source of plant stress.
- Intervention effect The greatest water deficit reduced annual biomass production by 60% in temperate populations.
- Observation Summer tiller mortality rose significantly above 450 mm cumulative deficit in temperate populations.
- Observation Summer tiller mortality rose significantly above 550 mm cumulative deficit in Mediterranean populations.
- Observation Under the most extreme deficit, fewer than 20% of temperate-population tillers survived.
- Observation Under the most extreme deficit, nitrogen uptake in temperate populations was drastically altered.
- Association Greater winter productivity of Mediterranean populations was associated with greater frost sensitivity.