| 1100 - Arctic Littoral undetermined substrate with no sea ice presence |
| 1101 - Arctic Littoral rock and biogenic with no sea ice presence |
| 1103 - Arctic Littoral coarse sediment with no sea ice presence |
| 1104 - Arctic Littoral mixed sediment with no sea ice presence |
| 1105 - Arctic Littoral sand with no sea ice presence |
| 1106 - Arctic Littoral mud with no sea ice presence |
| 1110 - Arctic Littoral undetermined substrate with seasonal sea ice presence |
| 1111 - Arctic Littoral rock and biogenic with seasonal sea ice presence |
| 1113 - Arctic Littoral coarse sediment with seasonal sea ice presence |
| 1115 - Arctic Littoral sand with seasonal sea ice presence |
| 1116 - Arctic Littoral mud with seasonal sea ice presence |
| 1120 - Arctic Littoral undetermined substrate with perrennial sea ice |
| 1200 - Arctic Infralittoral undetermined substrate with no sea ice presence |
| 1201 - Arctic Infralittoral rock and biogenic with no sea ice presence |
| 1203 - Arctic Infralittoral coarse sediment with no sea ice presence |
| 1204 - Arctic Infralittoral mixed sediment with no sea ice presence |
| 1205 - Arctic Infralittoral sand with no sea ice presence |
| 1206 - Arctic Infralittoral mud with no sea ice presence |
| 1210 - Arctic Infralittoral undetermined substrate with seasonal sea ice presence |
| 1211 - Arctic Infralittoral rock and biogenic with seasonal sea ice presence |
| 1213 - Arctic Infralittoral coarse sediment with seasonal sea ice presence |
| 1214 - Arctic Infralittoral mixed sediment with seasonal sea ice presence |
| 1215 - Arctic Infralittoral sand with seasonal sea ice presence |
| 1216 - Arctic Infralittoral mud with seasonal sea ice presence |
| 1220 - Arctic Infralittoral undetermined substrate with perrennial sea ice |
| 1300 - Arctic Circalittoral undetermined substrate with no sea ice presence |
| 1301 - Arctic Circalittoral rock and biogenic with no sea ice presence |
| 1303 - Arctic Circalittoral coarse sediment with no sea ice presence |
| 1304 - Arctic Circalittoral mixed sediment with no sea ice presence |
| 1305 - Arctic Circalittoral sand with no sea ice presence |
| 1306 - Arctic Circalittoral mud with no sea ice presence |
| 1310 - Arctic Circalittoral undetermined substrate with seasonal sea ice presence |
| 1311 - Arctic Circalittoral rock and biogenic with seasonal sea ice presence |
| 1313 - Arctic Circalittoral coarse sediment with seasonal sea ice presence |
| 1314 - Arctic Circalittoral mixed sediment with seasonal sea ice presence |
| 1315 - Arctic Circalittoral sand with seasonal sea ice presence |
| 1316 - Arctic Circalittoral mud with seasonal sea ice presence |
| 1320 - Arctic Circalittoral undetermined substrate with perrennial sea ice |
| 1326 - Arctic Circalittoral mud with perrennial sea ice |
| 1400 - Arctic Offshore circalittoral undetermined substrate with no sea ice presence |
| 1401 - Arctic Offshore circalittoral rock and biogenic with no sea ice presence |
| 1403 - Arctic Offshore circalittoral coarse sediment with no sea ice presence |
| 1404 - Arctic Offshore circalittoral mixed sediment with no sea ice presence |
| 1405 - Arctic Offshore circalittoral sand with no sea ice presence |
| 1406 - Arctic Offshore circalittoral mud with no sea ice presence |
| 1410 - Arctic Offshore circalittoral undetermined substrate with seasonal sea ice presence |
| 1411 - Arctic Offshore circalittoral rock and biogenic with seasonal sea ice presence |
| 1413 - Arctic Offshore circalittoral coarse sediment with seasonal sea ice presence |
| 1414 - Arctic Offshore circalittoral mixed sediment with seasonal sea ice presence |
| 1415 - Arctic Offshore circalittoral sand with seasonal sea ice presence |
| 1416 - Arctic Offshore circalittoral mud with seasonal sea ice presence |
| 1420 - Arctic Offshore circalittoral undetermined substrate with perrennial sea ice |
| 1426 - Arctic Offshore circalittoral mud with perrennial sea ice |
| 1500 - Arctic Upper bathyal undetermined substrate with no sea ice presence |
| 1501 - Arctic Upper bathyal rock and biogenic with no sea ice presence |
| 1503 - Arctic Upper bathyal coarse sediment with no sea ice presence |
| 1504 - Arctic Upper bathyal mixed sediment with no sea ice presence |
| 1505 - Arctic Upper bathyal sand with no sea ice presence |
| 1506 - Arctic Upper bathyal mud with no sea ice presence |
| 1510 - Arctic Upper bathyal undetermined substrate with seasonal sea ice presence |
| 1511 - Arctic Upper bathyal rock and biogenic with seasonal sea ice presence |
| 1513 - Arctic Upper bathyal coarse sediment with seasonal sea ice presence |
| 1514 - Arctic Upper bathyal mixed sediment with seasonal sea ice presence |
| 1515 - Arctic Upper bathyal sand with seasonal sea ice presence |
| 1516 - Arctic Upper bathyal mud with seasonal sea ice presence |
| 1520 - Arctic Upper bathyal undetermined substrate with perrennial sea ice |
| 1526 - Arctic Upper bathyal mud with perrennial sea ice |
| 1600 - Arctic Lower bathyal undetermined substrate with no sea ice presence |
| 1601 - Arctic Lower bathyal rock and biogenic with no sea ice presence |
| 1603 - Arctic Lower bathyal coarse sediment with no sea ice presence |
| 1604 - Arctic Lower bathyal mixed sediment with no sea ice presence |
| 1605 - Arctic Lower bathyal sand with no sea ice presence |
| 1606 - Arctic Lower bathyal mud with no sea ice presence |
| 1610 - Arctic Lower bathyal undetermined substrate with seasonal sea ice presence |
| 1614 - Arctic Lower bathyal mixed sediment with seasonal sea ice presence |
| 1616 - Arctic Lower bathyal mud with seasonal sea ice presence |
| 1620 - Arctic Lower bathyal undetermined substrate with perrennial sea ice |
| 1700 - Arctic Abyssal undetermined substrate with no sea ice presence |
| 1701 - Arctic Abyssal rock and biogenic with no sea ice presence |
| 1704 - Arctic Abyssal mixed sediment with no sea ice presence |
| 1705 - Arctic Abyssal sand with no sea ice presence |
| 1706 - Arctic Abyssal mud with no sea ice presence |
| 1710 - Arctic Abyssal undetermined substrate with seasonal sea ice presence |
| 1720 - Arctic Abyssal undetermined substrate with perrennial sea ice |
| 1800 - Arctic Estuaries undetermined substrate no sea ice presence |
| 1900 - Arctic Coastal lagoons undetermined substrate no sea ice presence |
| 2100 - Atlantic Littoral undetermined substrate with no sea ice presence |
| 2101 - Atlantic Littoral rock and biogenic with no sea ice presence |
| 2103 - Atlantic Littoral coarse sediment with no sea ice presence |
| 2104 - Atlantic Littoral mixed sediment with no sea ice presence |
| 2105 - Atlantic Littoral sand with no sea ice presence |
| 2106 - Atlantic Littoral mud with no sea ice presence |
| 2200 - Atlantic Infralittoral undetermined substrate with no sea ice presence |
| 2201 - Atlantic Infralittoral rock and biogenic with no sea ice presence |
| 2203 - Atlantic Infralittoral coarse sediment with no sea ice presence |
| 2204 - Atlantic Infralittoral mixed sediment with no sea ice presence |
| 2205 - Atlantic Infralittoral sand with no sea ice presence |
| 2206 - Atlantic Infralittoral mud with no sea ice presence |
| 2300 - Atlantic Circalittoral undetermined substrate with no sea ice presence |
| 2301 - Atlantic Circalittoral rock and biogenic with no sea ice presence |
| 2303 - Atlantic Circalittoral coarse sediment with no sea ice presence |
| 2304 - Atlantic Circalittoral mixed sediment with no sea ice presence |
| 2305 - Atlantic Circalittoral sand with no sea ice presence |
| 2306 - Atlantic Circalittoral mud with no sea ice presence |
| 2400 - Atlantic Offshore circalittoral undetermined substrate with no sea ice presence |
| 2401 - Atlantic Offshore circalittoral rock and biogenic with no sea ice presence |
| 2403 - Atlantic Offshore circalittoral coarse sediment with no sea ice presence |
| 2404 - Atlantic Offshore circalittoral mixed sediment with no sea ice presence |
| 2405 - Atlantic Offshore circalittoral sand with no sea ice presence |
| 2406 - Atlantic Offshore circalittoral mud with no sea ice presence |
| 2500 - Atlantic Upper bathyal undetermined substrate with no sea ice presence |
| 2501 - Atlantic Upper bathyal rock and biogenic with no sea ice presence |
| 2503 - Atlantic Upper bathyal coarse sediment with no sea ice presence |
| 2504 - Atlantic Upper bathyal mixed sediment with no sea ice presence |
| 2505 - Atlantic Upper bathyal sand with no sea ice presence |
| 2506 - Atlantic Upper bathyal mud with no sea ice presence |
| 2600 - Atlantic Lower bathyal undetermined substrate with no sea ice presence |
| 2601 - Atlantic Lower bathyal rock and biogenic with no sea ice presence |
| 2603 - Atlantic Lower bathyal coarse sediment with no sea ice presence |
| 2604 - Atlantic Lower bathyal mixed sediment with no sea ice presence |
| 2605 - Atlantic Lower bathyal sand with no sea ice presence |
| 2606 - Atlantic Lower bathyal mud with no sea ice presence |
| 2700 - Atlantic Abyssal undetermined substrate with no sea ice presence |
| 2701 - Atlantic Abyssal rock and biogenic with no sea ice presence |
| 2704 - Atlantic Abyssal mixed sediment with no sea ice presence |
| 2705 - Atlantic Abyssal sand with no sea ice presence |
| 2706 - Atlantic Abyssal mud with no sea ice presence |
| 2800 - Atlantic Estuaries undetermined substrate no sea ice presence |
| 2900 - Atlantic Coastal lagoons undetermined substrate no sea ice presence |
| 3100 - Baltic Littoral undetermined substrate with no sea ice presence |
| 3101 - Baltic Littoral rock and biogenic with no sea ice presence |
| 3103 - Baltic Littoral coarse sediment with no sea ice presence |
| 3104 - Baltic Littoral mixed sediment with no sea ice presence |
| 3105 - Baltic Littoral sand with no sea ice presence |
| 3106 - Baltic Littoral mud with no sea ice presence |
| 3110 - Baltic Littoral undetermined substrate with seasonal sea ice presence |
| 3111 - Baltic Littoral rock and biogenic with seasonal sea ice presence |
| 3113 - Baltic Littoral coarse sediment with seasonal sea ice presence |
| 3114 - Baltic Littoral mixed sediment with seasonal sea ice presence |
| 3115 - Baltic Littoral sand with seasonal sea ice presence |
| 3116 - Baltic Littoral mud with seasonal sea ice presence |
| 3200 - Baltic Infralittoral undetermined substrate with no sea ice presence |
| 3201 - Baltic Infralittoral rock and biogenic with no sea ice presence |
| 3203 - Baltic Infralittoral coarse sediment with no sea ice presence |
| 3204 - Baltic Infralittoral mixed sediment with no sea ice presence |
| 3205 - Baltic Infralittoral sand with no sea ice presence |
| 3206 - Baltic Infralittoral mud with no sea ice presence |
| 3211 - Baltic Infralittoral rock and biogenic with seasonal sea ice presence |
| 3213 - Baltic Infralittoral coarse sediment with seasonal sea ice presence |
| 3214 - Baltic Infralittoral mixed sediment with seasonal sea ice presence |
| 3215 - Baltic Infralittoral sand with seasonal sea ice presence |
| 3216 - Baltic Infralittoral mud with seasonal sea ice presence |
| 3300 - Baltic Circalittoral undetermined substrate with no sea ice presence |
| 3301 - Baltic Circalittoral rock and biogenic with no sea ice presence |
| 3303 - Baltic Circalittoral coarse sediment with no sea ice presence |
| 3304 - Baltic Circalittoral mixed sediment with no sea ice presence |
| 3305 - Baltic Circalittoral sand with no sea ice presence |
| 3306 - Baltic Circalittoral mud with no sea ice presence |
| 3311 - Baltic Circalittoral rock and biogenic with seasonal sea ice presence |
| 3313 - Baltic Circalittoral coarse sediment with seasonal sea ice presence |
| 3314 - Baltic Circalittoral mixed sediment with seasonal sea ice presence |
| 3315 - Baltic Circalittoral sand with seasonal sea ice presence |
| 3316 - Baltic Circalittoral mud with seasonal sea ice presence |
| 3400 - Baltic Offshore circalittoral undetermined substrate with no sea ice presence |
| 3401 - Baltic Offshore circalittoral rock and biogenic with no sea ice presence |
| 3403 - Baltic Offshore circalittoral coarse sediment with no sea ice presence |
| 3404 - Baltic Offshore circalittoral mixed sediment with no sea ice presence |
| 3405 - Baltic Offshore circalittoral sand with no sea ice presence |
| 3406 - Baltic Offshore circalittoral mud with no sea ice presence |
| 3410 - Baltic Offshore circalittoral undetermined substrate with seasonal sea ice presence |
| 3413 - Baltic Offshore circalittoral coarse sediment with seasonal sea ice presence |
| 3414 - Baltic Offshore circalittoral mixed sediment with seasonal sea ice presence |
| 3415 - Baltic Offshore circalittoral sand with seasonal sea ice presence |
| 3416 - Baltic Offshore circalittoral mud with seasonal sea ice presence |
| 3800 - Baltic Estuaries undetermined substrate no sea ice presence |
| 3900 - Baltic Coastal lagoons undetermined substrate no sea ice presence |
| 4100 - Mediterranean Littoral undetermined substrate with no sea ice presence |
| 4101 - Mediterranean Littoral rock and biogenic with no sea ice presence |
| 4103 - Mediterranean Littoral coarse sediment with no sea ice presence |
| 4104 - Mediterranean Littoral mixed sediment with no sea ice presence |
| 4105 - Mediterranean Littoral sand with no sea ice presence |
| 4106 - Mediterranean Littoral mud with no sea ice presence |
| 4200 - Mediterranean Infralittoral undetermined substrate with no sea ice presence |
| 4201 - Mediterranean Infralittoral rock and biogenic with no sea ice presence |
| 4203 - Mediterranean Infralittoral coarse sediment with no sea ice presence |
| 4204 - Mediterranean Infralittoral mixed sediment with no sea ice presence |
| 4205 - Mediterranean Infralittoral sand with no sea ice presence |
| 4206 - Mediterranean Infralittoral mud with no sea ice presence |
| 4300 - Mediterranean Circalittoral undetermined substrate with no sea ice presence |
| 4301 - Mediterranean Circalittoral rock and biogenic with no sea ice presence |
| 4303 - Mediterranean Circalittoral coarse sediment with no sea ice presence |
| 4304 - Mediterranean Circalittoral mixed sediment with no sea ice presence |
| 4305 - Mediterranean Circalittoral sand with no sea ice presence |
| 4306 - Mediterranean Circalittoral mud with no sea ice presence |
| 4500 - Mediterranean Upper bathyal undetermined substrate with no sea ice presence |
| 4501 - Mediterranean Upper bathyal rock and biogenic with no sea ice presence |
| 4503 - Mediterranean Upper bathyal coarse sediment with no sea ice presence |
| 4504 - Mediterranean Upper bathyal mixed sediment with no sea ice presence |
| 4505 - Mediterranean Upper bathyal sand with no sea ice presence |
| 4506 - Mediterranean Upper bathyal mud with no sea ice presence |
| 4700 - Mediterranean Abyssal undetermined substrate with no sea ice presence |
| 4701 - Mediterranean Abyssal rock and biogenic with no sea ice presence |
| 4706 - Mediterranean Abyssal mud with no sea ice presence |
| 4800 - Mediterranean Estuaries undetermined substrate no sea ice presence |
| 4900 - Mediterranean Coastal lagoons undetermined substrate no sea ice presence |
| 5100 - Black Sea Littoral undetermined substrate with no sea ice presence |
| 5101 - Black Sea Littoral rock and biogenic with no sea ice presence |
| 5103 - Black Sea Littoral coarse sediment with no sea ice presence |
| 5104 - Black Sea Littoral mixed sediment with no sea ice presence |
| 5105 - Black Sea Littoral sand with no sea ice presence |
| 5106 - Black Sea Littoral mud with no sea ice presence |
| 5200 - Black Sea Infralittoral undetermined substrate with no sea ice presence |
| 5201 - Black Sea Infralittoral rock and biogenic with no sea ice presence |
| 5203 - Black Sea Infralittoral coarse sediment with no sea ice presence |
| 5204 - Black Sea Infralittoral mixed sediment with no sea ice presence |
| 5205 - Black Sea Infralittoral sand with no sea ice presence |
| 5206 - Black Sea Infralittoral mud with no sea ice presence |
| 5300 - Black Sea Circalittoral undetermined substrate with no sea ice presence |
| 5301 - Black Sea Circalittoral rock and biogenic with no sea ice presence |
| 5303 - Black Sea Circalittoral coarse sediment with no sea ice presence |
| 5304 - Black Sea Circalittoral mixed sediment with no sea ice presence |
| 5305 - Black Sea Circalittoral sand with no sea ice presence |
| 5306 - Black Sea Circalittoral mud with no sea ice presence |
| 5400 - Black Sea Offshore circalittoral undetermined substrate with no sea ice presence |
| 5403 - Black Sea Offshore circalittoral coarse sediment with no sea ice presence |
| 5404 - Black Sea Offshore circalittoral mixed sediment with no sea ice presence |
| 5405 - Black Sea Offshore circalittoral sand with no sea ice presence |
| 5406 - Black Sea Offshore circalittoral mud with no sea ice presence |
| 5500 - Black Sea Upper bathyal undetermined substrate with no sea ice presence |
| 5503 - Black Sea Upper bathyal coarse sediment with no sea ice presence |
| 5504 - Black Sea Upper bathyal mixed sediment with no sea ice presence |
| 5505 - Black Sea Upper bathyal sand with no sea ice presence |
| 5506 - Black Sea Upper bathyal mud with no sea ice presence |
| 5704 - Black Sea Abyssal mixed sediment with no sea ice presence |
| 5705 - Black Sea Abyssal sand with no sea ice presence |
| 5706 - Black Sea Abyssal mud with no sea ice presence |
| 5900 - Black Sea Coastal lagoons undetermined substrate no sea ice presence |
| 100 - Littoral undetermined substrate with no sea ice presence |
| 101 - Littoral rock and biogenic with no sea ice presence |
| 103 - Littoral coarse sediment with no sea ice presence |
| 104 - Littoral mixed sediment with no sea ice presence |
| 105 - Littoral sand with no sea ice presence |
| 106 - Littoral mud with no sea ice presence |
| 110 - Littoral undetermined substrate with seasonal sea ice presence |
| 111 - Littoral rock and biogenic with seasonal sea ice presence |
| 113 - Littoral coarse sediment with seasonal sea ice presence |
| 114 - Littoral mixed sediment with seasonal sea ice presence |
| 115 - Littoral sand with seasonal sea ice presence |
| 116 - Littoral mud with seasonal sea ice presence |
| 120 - Littoral undetermined substrate with perrennial sea ice |
| 200 - Infralittoral undetermined substrate with no sea ice presence |
| 201 - Infralittoral rock and biogenic with no sea ice presence |
| 203 - Infralittoral coarse sediment with no sea ice presence |
| 204 - Infralittoral mixed sediment with no sea ice presence |
| 205 - Infralittoral sand with no sea ice presence |
| 206 - Infralittoral mud with no sea ice presence |
| 210 - Infralittoral undetermined substrate with seasonal sea ice presence |
| 211 - Infralittoral rock and biogenic with seasonal sea ice presence |
| 213 - Infralittoral coarse sediment with seasonal sea ice presence |
| 214 - Infralittoral mixed sediment with seasonal sea ice presence |
| 215 - Infralittoral sand with seasonal sea ice presence |
| 216 - Infralittoral mud with seasonal sea ice presence |
| 220 - Infralittoral undetermined substrate with perrennial sea ice |
| 300 - Circalittoral undetermined substrate with no sea ice presence |
| 301 - Circalittoral rock and biogenic with no sea ice presence |
| 303 - Circalittoral coarse sediment with no sea ice presence |
| 304 - Circalittoral mixed sediment with no sea ice presence |
| 305 - Circalittoral sand with no sea ice presence |
| 306 - Circalittoral mud with no sea ice presence |
| 310 - Circalittoral undetermined substrate with seasonal sea ice presence |
| 311 - Circalittoral rock and biogenic with seasonal sea ice presence |
| 313 - Circalittoral coarse sediment with seasonal sea ice presence |
| 314 - Circalittoral mixed sediment with seasonal sea ice presence |
| 315 - Circalittoral sand with seasonal sea ice presence |
| 316 - Circalittoral mud with seasonal sea ice presence |
| 320 - Circalittoral undetermined substrate with perrennial sea ice |
| 326 - Circalittoral mud with perrennial sea ice |
| 400 - Offshore circalittoral undetermined substrate with no sea ice presence |
| 401 - Offshore circalittoral rock and biogenic with no sea ice presence |
| 403 - Offshore circalittoral coarse sediment with no sea ice presence |
| 404 - Offshore circalittoral mixed sediment with no sea ice presence |
| 405 - Offshore circalittoral sand with no sea ice presence |
| 406 - Offshore circalittoral mud with no sea ice presence |
| 410 - Offshore circalittoral undetermined substrate with seasonal sea ice presence |
| 411 - Offshore circalittoral rock and biogenic with seasonal sea ice presence |
| 413 - Offshore circalittoral coarse sediment with seasonal sea ice presence |
| 414 - Offshore circalittoral mixed sediment with seasonal sea ice presence |
| 415 - Offshore circalittoral sand with seasonal sea ice presence |
| 416 - Offshore circalittoral mud with seasonal sea ice presence |
| 420 - Offshore circalittoral undetermined substrate with perrennial sea ice |
| 426 - Offshore circalittoral mud with perrennial sea ice |
| 500 - Upper bathyal undetermined substrate with no sea ice presence |
| 501 - Upper bathyal rock and biogenic with no sea ice presence |
| 503 - Upper bathyal coarse sediment with no sea ice presence |
| 504 - Upper bathyal mixed sediment with no sea ice presence |
| 505 - Upper bathyal sand with no sea ice presence |
| 506 - Upper bathyal mud with no sea ice presence |
| 510 - Upper bathyal undetermined substrate with seasonal sea ice presence |
| 511 - Upper bathyal rock and biogenic with seasonal sea ice presence |
| 513 - Upper bathyal coarse sediment with seasonal sea ice presence |
| 514 - Upper bathyal mixed sediment with seasonal sea ice presence |
| 515 - Upper bathyal sand with seasonal sea ice presence |
| 516 - Upper bathyal mud with seasonal sea ice presence |
| 520 - Upper bathyal undetermined substrate with perrennial sea ice |
| 526 - Upper bathyal mud with perrennial sea ice |
| 600 - Lower bathyal undetermined substrate with no sea ice presence |
| 601 - Lower bathyal rock and biogenic with no sea ice presence |
| 603 - Lower bathyal coarse sediment with no sea ice presence |
| 604 - Lower bathyal mixed sediment with no sea ice presence |
| 605 - Lower bathyal sand with no sea ice presence |
| 606 - Lower bathyal mud with no sea ice presence |
| 610 - Lower bathyal undetermined substrate with seasonal sea ice presence |
| 614 - Lower bathyal mixed sediment with seasonal sea ice presence |
| 616 - Lower bathyal mud with seasonal sea ice presence |
| 620 - Lower bathyal undetermined substrate with perrennial sea ice |
| 700 - Abyssal undetermined substrate with no sea ice presence |
| 701 - Abyssal rock and biogenic with no sea ice presence |
| 704 - Abyssal mixed sediment with no sea ice presence |
| 705 - Abyssal sand with no sea ice presence |
| 706 - Abyssal mud with no sea ice presence |
| 710 - Abyssal undetermined substrate with seasonal sea ice presence |
| 720 - Abyssal undetermined substrate with perrennial sea ice |
| 800 - Estuaries undetermined substrate with no sea ice presence |
| 900 - Coastal lagoons undetermined substrate with no sea ice presence |