- Unpublished observations in climate chambers and in the field by
Markus Hoffmann
- Unpublished observations in climate chambers
- Field observations
- Mean values from own growth experiments (M. Hoffmann et al., 2013; M.
A. Hoffmann et al., 2014)
- Values adjusted to the observed values within the described datasets.
Derived by means of Hill function of the real distribution
(quantitative) of the reference species as a function of the total
phosphate values. Assumption: direct correlation between
photosynthesis rate and plant quantity.
- (van Nes et al., 2003)
- (Kleyer et al., 2008)
- Expert knowledge
- Arbitrary