Monitoring Requirements

Monitoring methodology

Monitoring of chlorophyll-a in the Contracting Parties of HELCOM is described on a general level in the HELCOM Monitoring Manual in the sub-programme Pigments.

Monitoring guidelines specifying the sampling strategy are adopted and published.


Current monitoring

The monitoring activities relevant to the indicator that are currently carried out by HELCOM Contracting Parties are described in the HELCOM Monitoring Manual

Sub-programme: monitoring concepts table


Description of optimal monitoring

Regional monitoring of chlorophyll-a concentration is considered sufficient to support the indicator evaluation.