leaf_photosynthetic_nitrogen_use_efficiency_saturated
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- Label: Leaf photosynthetic nitrogen use efficiency during Asat measurement (PNUE)
- Entity URI: https://w3id.org/APD/traits/trait_0020711
- Type: numeric
- Definition: The ratio [PATO:0001470] of a leaf's [PO:0025034] photosynthetic rate [TO:0001015] to its nitrogen [CHEBI:25555] content, with the photosynthesis measurements made on leaves which are saturated [NCIT:C61427] by photosynthetically active radiation [ENVO:01001864] and which are exposed to ambient [NCIT:C62306] atmospheric carbon dioxide [ENVO:01000451] concentrations [PATO:0000033].;The ratio of photosynthesis (CO2 assimilation rate) to leaf nitrogen content, where photosynthesis has been measured in a leaf exposed to saturating light (photosynthetically active radiation) levels and ambient carbon dioxide concentrations; PNUE.
- Additional comments: Leaf nitrogen content and photosynthetic rate can be record either per unit leaf area or per unit leaf mass, but both must have the same denominator.
- units: umol{CO2}/g{N}/s
- allowable range: 0.1 - 1000 umol{CO2}/g{N}/s
See the AusTraits Plant Dictionary (https://w3id.org/APD/traits/trait_0020711) for additional information about this trait.
Coverage
For this trait, AusTraits includes a total of 1,188 records. This includes:
- data for 183 species.
- data for 50 families.
- data from 9 datasets (see the portal Citations tab for a list of sources)