Table 1: List of OMNR watershed codes and the assigned name to reflect the major tributary or geographic feature. Watershed area, the total number of marshes, and the amount of marsh area within each watershed are provided.

Quaternary watershed ID Watershed name Watershed area (ha) Wetland number Total marsh habitat (ha) Number of marshes >2 ha 2CE-01 La Cloche 27269 82 132.4 15 2CE-11 La Cloche Islands 2542 34 12.6 0 2CF-02 Philip Edward Island 4909 367 433.2 56 2CF-18 MacGregor-Sampson Islands 2179 266 350.7 32 2CG-06 Great La Cloche Island 9643 136 394.2 35 2CG-32 Bedford-Rous Islands 1937 29 7.9 0 2CG-33 Strawberry-Heywood Islands 1595 12 72.8 8 2CH-01 Beaverstone River 12957 196 500.1 39 2CH-03 Killarney 62878 594 915.5 87 2CH-04 Whitefish River 26640 1162 841.1 78 2CH-17 Killarney Islands 2640 524 233.7 15 2DD-01 French River 126103 1225 792.8 91 2DD-03 Pickerel River 105176 660 385.0 41 2DD-26 Outer French-Pickerel Islands 3484 749 257.7 16 2EA-01 Henvey Inlet-Key River 19669 392 751.3 90 2EA-03 Sandy Bay 6057 118 280.2 23 2EA-04 Giroux River 10949 225 285.9 37 2EA-05 Pointe au Baril 11554 566 939.6 116 2EA-06 Shebeshekong River 19720 275 880.7 83 2EA-07 Parry Island 7666 249 586.4 40 2EA-08 Spider Lake 8816 280 297.9 36 2EA-09 Still River 23649 14 38.2 3 2EA-10 Magnetawan-Naiscoot Rivers 92622 235 448.5 49 2EA-11 Naiscoot Lake 21331 9 5.5 0 2EA-13 Shawanaga River 30979 201 329.5 48 2EA-14 Parry Sound 59479 241 434.2 55 2EA-15 Seguin River 8330 27 41.2 7 2EA-24 Eastern Coast Islands 11854 1835 1386.8 102 2EB-01 Moon-Musquash Islands 4392 1088 572.0 39 2EB-02 Moon-Musquash Rivers 71731 916 2394.0 179 2EB-03 Muskoka Lakes 18578 6 7.4 1 2EC-17 Severn River 70445 423 973.7 77 2EC-18 Beausoleil-Severn Islands 2913 798 746.4 52 2ED-04 Sturgeon River 18887 19 135.2 7 2ED-05 Coldwater River 21727 149 1131.0 29 2ED-06 North River 32214 31 97.3 4 2ED-17 Giants Tomb Island* 564 0 0.0 0

* Currently no satellite image coverage for the watershed in the MCWI.