Ecological parameter: IC CB-GIG common metrics

Parameter 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

Type of assignment: presence/absence assignment system (including indication value (-1 to +1))
A description of the coding system can be found here  Abbreviations/Coding Systems