Productive surface waters (Chl-a) 2016-2021 (HOLAS 3)
Description
Springtime Chl-a concentration is here used as a proxy for productive surface waters. In the Baltic Sea Spatial Pressure and Impact Index (SPIA), areas with high springtime phytoplankton production will be given higher importance, as they are considered important areas for the Baltic Sea food web. In the current map, mean of springtime maximum weekly values (weeks 12-22 for the HOLAS3 assessment period 2016-2021). Satellite Chl-a concentration of the surface waters has been used and converted to index by Finnish Environment institute with resolution of 1 km x 1 km grid cells.
Resources
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https://maps.helcom.fi/website/MADS/download/?id=01e8a28a-66ea-4f60-86cf-c7096ce1ae9c |