Information
Ecological parameter: IC CB-GIG common metricsParameter group: occurrence related parameters
Explanation:
The CB GIG common metrics describe the occurrence in central baltic water bodies. The score ranges from +1 to -1. Positive scoring taxa are common indicators of near-natural conditions, negative scoring taxa generally characterise poor or bad water quality.
Birk, S., Willby, N., Chauvin, C., Coops, H.C., Denys, L., Galoux, D., Kolada, A., Pall, K., Pardo, I., Pot, R. & Stelzer, D. (2007): Report on the Central Baltic River GIG Macrophyte Intercalibration Exercise, 82 pp. https://www.uni-due.de/imperia/md/content/aquatische_oekologie/e_cbrivgig_macrophytes_final_report_june-07-v2.pdf
Abbreviations:
| Category name | Abbreviation | Explanation |
|---|---|---|
| small lowland sandy streams (range: +1 to -1) | small lowland sandy streams | |
| small mid-altitude siliceous streams (range: +1 to | small mid-altitude siliceous streams | |
| medium-sized lowland streams (range: +1 to -1) | medium-sized lowland streams |
| Family | Number of assigned taxa / total number of taxa - percentage |
|---|---|
| Bryopsida | 28 / 213 - 13.1% |
| Charophyceae | 1 / 52 - 1.9% |
| Liliopsida | 51 / 361 - 14.1% |
| Magnoliopsida | 2 / 20 - 10% |
| Marchantiopsida | 11 / 62 - 17.7% |
| Polypodiopsida | 1 / 19 - 5.2% |
| Rosopsida | 59 / 399 - 14.7% |
| Sphenopsida | 3 / 9 - 33.3% |