Table 2.5
Marine and coastal terrain ruggedness, slope and substrate, by marine ecoregion and depth class (Part 1 and 2)
Marine ecoregion and depth class | Terrain ruggednessTable 2.5 Note 1 | Slope percentageTable 2.5 Note 2 | |||||||
---|---|---|---|---|---|---|---|---|---|
Level (0 to 80) |
Nearly level (81 to 116) |
Slightly rugged (117 to 161) |
Intermediately rugged (162 to 239) |
Moderately to extremely rugged (240 to 4,367) |
Level (0 to 0.5) |
Undulating (0.5 to 5) |
Rolling (5 to 30) |
Hilly (Greater than 30) |
|
km2 | |||||||||
Strait of Georgia | |||||||||
Coastal | 1,464 | 510 | 417 | 355 | 528 | 238 | 1,312 | 1,604 | 119 |
Epipelagic | 1,389 | 605 | 450 | 332 | 397 | 17 | 1,419 | 1,684 | 53 |
Mesopelagic | 1,776 | 304 | 149 | 88 | 205 | 34 | 1,714 | 678 | 97 |
Bathypelagic | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 |
Southern Shelf | |||||||||
Coastal | 3,313 | 229 | 166 | 197 | 225 | 606 | 2,782 | 723 | 21 |
Epipelagic | 10,722 | 200 | 98 | 66 | 90 | 3,895 | 6,886 | 392 | 3 |
Mesopelagic | 1,368 | 915 | 924 | 874 | 502 | 39 | 1,297 | 3,207 | 41 |
Bathypelagic | 2,989 | 1,401 | 1,291 | 1,371 | 1,216 | 81 | 3,010 | 5,043 | 133 |
Offshore Pacific | |||||||||
Coastal | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 3 | 0 |
Epipelagic | 0 | 1 | 1 | 7 | 6 | 0 | 0 | 15 | 0 |
Mesopelagic | 14 | 10 | 14 | 28 | 145 | 0 | 20 | 135 | 56 |
Bathypelagic | 260,078 | 19,287 | 12,601 | 11,458 | 12,071 | 52,160 | 210,975 | 50,703 | 1,657 |
Northern Shelf | |||||||||
Coastal | 16,368 | 1,538 | 1,341 | 1,523 | 2,650 | 8,134 | 8,834 | 6,077 | 378 |
Epipelagic | 34,432 | 1,971 | 1,092 | 910 | 1,333 | 8,747 | 26,060 | 4,747 | 183 |
Mesopelagic | 17,478 | 1,944 | 1,842 | 1,763 | 2,083 | 4,714 | 12,761 | 7,290 | 343 |
Bathypelagic | 3,562 | 2,120 | 2,237 | 2,826 | 2,316 | 29 | 3,499 | 9,249 | 282 |
Arctic Basin | |||||||||
Coastal | 130 | 8 | 2 | 1 | 0 | 14 | 117 | 10 | 0 |
Epipelagic | 12,955 | 108 | 40 | 14 | 0 | 4,580 | 8,370 | 167 | 0 |
Mesopelagic | 216,406 | 5,750 | 1,934 | 632 | 80 | 83,661 | 131,504 | 9,638 | 0 |
Bathypelagic | 481,786 | 18,843 | 8,026 | 3,896 | 1,440 | 109,235 | 369,028 | 35,653 | 75 |
Western Arctic | |||||||||
Coastal | 175,799 | 1,112 | 492 | 292 | 129 | 123,568 | 51,974 | 2,280 | 2 |
Epipelagic | 187,044 | 1,776 | 447 | 165 | 40 | 89,912 | 96,642 | 2,919 | 0 |
Mesopelagic | 170,974 | 1,130 | 314 | 71 | 8 | 84,445 | 86,289 | 1,763 | 0 |
Arctic Archipelago | |||||||||
Coastal | 35,875 | 2,571 | 1,741 | 1,656 | 1,895 | 7,504 | 27,684 | 8,192 | 359 |
Epipelagic | 84,291 | 4,243 | 1,988 | 1,013 | 425 | 15,945 | 66,576 | 9,406 | 32 |
Mesopelagic | 125,709 | 4,247 | 1,847 | 1,003 | 292 | 31,358 | 92,015 | 9,712 | 14 |
Eastern Arctic | |||||||||
Coastal | 60,239 | 4,924 | 3,675 | 3,656 | 4,656 | 17,494 | 42,395 | 16,318 | 941 |
Epipelagic | 145,499 | 4,479 | 2,237 | 1,545 | 1,139 | 49,809 | 94,168 | 10,728 | 194 |
Mesopelagic | 339,700 | 11,467 | 6,471 | 3,400 | 1,734 | 136,062 | 200,213 | 26,160 | 338 |
Bathypelagic | 184,388 | 2,452 | 728 | 225 | 26 | 58,270 | 124,735 | 4,814 | 0 |
Hudson Bay Complex | |||||||||
Coastal | 340,711 | 1,550 | 683 | 360 | 82 | 266,025 | 74,862 | 2,497 | 1 |
Epipelagic | 758,450 | 779 | 309 | 100 | 15 | 596,649 | 161,593 | 1,411 | 0 |
Mesopelagic | 140,566 | 792 | 173 | 63 | 11 | 62,041 | 78,370 | 1,195 | 0 |
Newfoundland-Labrador Shelves | |||||||||
Coastal | 41,944 | 3,445 | 2,149 | 1,481 | 974 | 12,012 | 30,791 | 7,104 | 87 |
Epipelagic | 343,377 | 4,081 | 1,757 | 977 | 339 | 222,157 | 121,774 | 6,598 | 3 |
Mesopelagic | 267,163 | 9,491 | 6,199 | 3,676 | 1,213 | 116,714 | 150,599 | 20,371 | 58 |
Bathypelagic | 305,044 | 21,486 | 10,286 | 5,615 | 2,547 | 34,129 | 271,198 | 39,349 | 303 |
Abyssalpelagic | 7,445 | 583 | 250 | 102 | 30 | 182 | 7,265 | 964 | 0 |
Scotian Shelf | |||||||||
Coastal | 25,671 | 212 | 62 | 18 | 1 | 11,707 | 13,982 | 275 | 0 |
Epipelagic | 144,773 | 934 | 222 | 46 | 9 | 71,910 | 72,950 | 1,124 | 0 |
Mesopelagic | 20,284 | 2,189 | 1,980 | 2,318 | 1,506 | 8,219 | 12,024 | 7,952 | 81 |
Bathypelagic | 73,622 | 10,707 | 6,786 | 6,241 | 4,781 | 406 | 73,374 | 28,228 | 128 |
Abyssalpelagic | 113,773 | 266 | 69 | 13 | 2 | 28,400 | 85,405 | 318 | 0 |
Gulf of St. Lawrence | |||||||||
Coastal | 61,752 | 893 | 401 | 284 | 174 | 38,939 | 22,932 | 1,625 | 7 |
Epipelagic | 105,949 | 845 | 240 | 118 | 30 | 49,461 | 56,598 | 1,124 | 0 |
Mesopelagic | 75,729 | 190 | 31 | 5 | 4 | 37,681 | 38,080 | 198 | 0 |
Sources: GEBCO Compilation Group, 2015, GEBCO_2014 Grid, version 20150318, https://www.gebco.net/ (accessed December 5, 2018); Gregr, E. J., J. Lessard and J. Harper, 2013, "Pacific data from A spatial framework for representing nearshore ecosystems," Progress in Oceanography, Vol. 1153, p. 189-201; B.C. Ministry of Forests, Lands, Natural Resource Operations and Rural Development, 1979, Benthic Marine Ecounits - Coastal Resource Information Management System (CRIMS), GeoBC, https://catalogue.data.gov.bc.ca/dataset/benthic-marine-ecounits-coastal-resource-information-management-system-crims (accessed August 19, 2019); Loring, D. H. and D. J. G. Nota, 1973, "Morphology and sediments of the Gulf of St. Lawrence," Bull. Fish. Res. Bd. Can., Vol. 182, https://open.canada.ca/data/en/dataset/8c269a91-d3a2-4f49-943d-6b2401c42cba (accessed November 20, 2019). |
Marine ecoregion and depth class | Substrate typeTable 2.5 Note 3 | |||
---|---|---|---|---|
Soft | Mixed | Hard | UnavailableTable 2.5 Note 4 | |
km2 | ||||
Strait of Georgia | ||||
Coastal | 1,129 | 1,413 | 555 | 177 |
Epipelagic | 387 | 2,347 | 416 | 24 |
Mesopelagic | 28 | 2,440 | 52 | 2 |
Bathypelagic | 0 | 2 | 0 | 0 |
Southern Shelf | ||||
Coastal | 1,295 | 1,527 | 1,148 | 162 |
Epipelagic | 7,591 | 1,582 | 1,815 | 189 |
Mesopelagic | 1,430 | 102 | 4 | 3,047 |
Bathypelagic | 6 | Note .: not available for any reference period | Note .: not available for any reference period | 8,262 |
Offshore Pacific | ||||
Coastal | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 3 |
Epipelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 15 |
Mesopelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 211 |
Bathypelagic | Note .: not available for any reference period | Note .: not available for any reference period | 224 | 315,271 |
Northern Shelf | ||||
Coastal | 10,520 | 5,053 | 6,276 | 1,575 |
Epipelagic | 20,572 | 5,501 | 12,989 | 675 |
Mesopelagic | 7,872 | 3,131 | 8,527 | 5,578 |
Bathypelagic | Note .: not available for any reference period | Note .: not available for any reference period | 74 | 12,986 |
Arctic Basin | ||||
Coastal | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 142 |
Epipelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 13,117 |
Mesopelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 224,802 |
Bathypelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 513,992 |
Western Arctic | ||||
Coastal | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 177,824 |
Epipelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 189,473 |
Mesopelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 172,497 |
Arctic Archipelago | ||||
Coastal | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 43,739 |
Epipelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 91,959 |
Mesopelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 133,099 |
Eastern Arctic | ||||
Coastal | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 77,149 |
Epipelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 154,899 |
Mesopelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 362,773 |
Bathypelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 187,819 |
Hudson Bay Complex | ||||
Coastal | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 343,386 |
Epipelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 759,653 |
Mesopelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 141,606 |
Newfoundland-Labrador Shelves | ||||
Coastal | 1 | Note .: not available for any reference period | Note .: not available for any reference period | 49,993 |
Epipelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 350,532 |
Mesopelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 287,743 |
Bathypelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 344,977 |
Abyssalpelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 8,410 |
Scotian Shelf | ||||
Coastal | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 25,964 |
Epipelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 145,984 |
Mesopelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 28,277 |
Bathypelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 102,137 |
Abyssalpelagic | Note .: not available for any reference period | Note .: not available for any reference period | Note .: not available for any reference period | 114,123 |
Gulf of St. Lawrence | ||||
Coastal | 27,537 | 14,960 | 6,665 | 14,342 |
Epipelagic | 43,424 | 17,349 | 40,033 | 6,378 |
Mesopelagic | 3,610 | 901 | 66,106 | 5,342 |
. not available for any reference period
Sources: GEBCO Compilation Group, 2015, GEBCO_2014 Grid, version 20150318, https://www.gebco.net/ (accessed December 5, 2018); Gregr, E. J., J. Lessard and J. Harper, 2013, "Pacific data from A spatial framework for representing nearshore ecosystems," Progress in Oceanography, Vol. 1153, p. 189-201; Ministry of Forests, Lands, Natural Resource Operations and Rural Development, 1979, Benthic Marine Ecounits - Coastal Resource Information Management System (CRIMS), GeoBC, https://catalogue.data.gov.bc.ca/dataset/benthic-marine-ecounits-coastal-resource-information-management-system-crims (accessed August 19, 2019); Loring, D. H. and D. J. G. Nota, 1973, "Morphology and sediments of the Gulf of St. Lawrence," Bull. Fish. Res. Bd. Can., Vol. 182, https://open.canada.ca/data/en/dataset/8c269a91-d3a2-4f49-943d-6b2401c42cba (accessed November 20, 2019). |
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