Information
Ecological parameter: stenoecy factor
Parameter group: trophy related parameters
Explanation:
The stenoecy factor of the indicator taxon is a weighting factor as a measure of the "constancy" of the taxon regarding the trophic gradient; it ranges from 1 (low constancy) to 4 (high constancy).
LAWA (2014): Trophieklassifikation von Seen. Richtlinie zur Ermittlung des Trophie-Index nach LAWA für natürliche Seen, Baggerseen, Talsperren und Speicherseen. Empfehlungen Oberirdische Gewässer. Hrsg. LAWA – Bund/Länder Arbeitsgemeinschaft Wasser. Kulturbuch-Verlag Berlin GmbH. 34 S. zzgl. Access-Auswertetool. (Autoren: Riedmüller, U., Hoehn, E., Mischke, U.).
Update des Auswertetools unter: http://www.gewaesserfragen.de/publikationen_2012.htm
Abbreviations:
| Category name: | Abbreviations: | Explanation: |
|---|---|---|
| Danube Basin rivers | river - Danube | Danube and tributaries |
| Central Highland rivers | river - CH | rivers and streams in the Central Highlands |
| Lowland rivers | river - LL | lowland rivers and streams |
| Alpine lakes | lake - AAF | natural lakes, Heavily Modified Water Bodies and Artificial Water Bodies of the Alps and Alpine Foothills |
| Central Highland lakes | lake - CH | natural lakes, Heavily Modified Water Bodies and Artificial Water Bodies of the Central Highlands |
| Lowland stratified lakes | sn.lake - LL | natural stratified lakes of the Lowlands |
| Lowland stratified HMWB & AWB | sa.lake - LL | stratified Heavily Modified Water Bodies and Artificial Water Bodies of the Lowlands |
| Lowland polymictic lakes | pn.lake - LL | natural polymictic lakes of the Lowlands |
| Lowland polymictic HMWB & AWB | pa.lake - LL | polymictic Heavily Modified Water Bodies and Artificial Water Bodies of the Lowlands |
| Taxagroup | Number of assigned taxa / total number of taxa - percentage |
|---|---|
| Bacillariophyceae | 129 / 662 - 19.4% |
| Chlorophyceae | 201 / 621 - 32.3% |
| Chrysophyceae | 41 / 165 - 24.8% |
| Coccolithophyceae | 1 / 5 - 20% |
| Conjugatophyceae | 22 / 299 - 7.3% |
| Coscinodiscophyceae | 22 / 117 - 18.8% |
| Cryptophyceae | 15 / 31 - 48.3% |
| Cyanophyceae | 76 / 246 - 30.8% |
| Dictyochophyceae | 1 / 7 - 14.2% |
| Dinophyceae | 22 / 71 - 30.9% |
| Euglenophyceae | 19 / 69 - 27.5% |
| Fragilariophyceae | 24 / 87 - 27.5% |
| Klebsormidiophyceae | 5 / 11 - 45.4% |
| Prasinophyceae | 3 / 13 - 23% |
| Trebouxiophyceae | 4 / 16 - 25% |
| Ulvophyceae | 1 / 9 - 11.1% |
| Xanthophyceae | 5 / 45 - 11.1% |