. . "SDN:M23::AA-I1B4" . . "AA.I1B4" . "Baltic photic coarse sediment dominated by Charales"@en . . . . . "accepted"@en . "The habitat 'Baltic photic coarse sediment dominated by Charales' as defined under the HELCOM HUB classification system. For more information visit 'http://helcom.fi/baltic-sea-trends/biodiversity/helcom-hub/hub/aa-i1b4'."@en . . . . . . . . . .