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Ecological parameter: ELLENBERG - nitrogen figure Central Europe

Parameter group: habitat related parameters

Explanation:
The nitrogen figure characterises the occurrence in the gradient of few to much available nitrogen during the growing period, valid for Central Europe.

Ellenberg, H., Weber, H.E., Düll, R., Wirth, V. & Werner, W. (2001): Zeigerwerte von Pflanzen in Mitteleuropa. Scripta Geobotanica 18, 262pp.


Classification system: score
A description of the coding system can be found here  Abbreviations/Coding Systems

Abbreviations:
Category name:Abbreviations:Explanation:
11indicator of sites extremely poor in available nitrogen
22between 1 and 3
33indicator of sites more or less poor in available nitrogen
44between 3 and 5
55indicator of intermediate nitrogen availability
66between 5 and 7
77indicator of sites rich in available nitrogen
88between 7 and 9
99indicator of extremely nitrogen rich sites, such as cattle resting places or near polluted rivers
xxindifferent behaviour
??no information
Assigned taxa for each higher systematic unit:
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Liliopsida213 / 361 - 59%
Lycopsida3 / 12 - 25%
Magnoliopsida6 / 20 - 30%
Polypodiopsida10 / 19 - 52.6%
Rosopsida292 / 399 - 73.1%
Sphenopsida8 / 9 - 88.8%