Knowledge

Somenos Lake

Source 📝

46: 180:. Somenos Lake has a maximum area of approximately 247 ac, 100 ha at 15.3 feet (4.7 m) above geodetic datum. The Lake is relatively shallow with a maximum depth of 22.2 feet (6.8 m). Somenos Lake is fed by three major tributary streams: Richards Creek from the North and Northeast, Averill Creek from the Northwest and Bings Creek from the West. The lake is drained near its southern extremity by Somenos Creek which flows southeast approximately 4 kilometres (2.5 mi) to the 29: 53: 313:
Somenos Lake and its surrounding marsh and wetland habitats are managed by the Somenos Management Committee. This organisation promotes stewardship and habitat restoration in the Lake and surrounding environs. Membership of the committee includes
258:
In addition to these fish species, Somenos Lake and associated marsh habitats are an important winter refuge for numerous species of ducks, geese and swans. Of particular interest to conservation is the large number of
33:
An Aerial view of Somenos Lake looking from west to east during winter high water. Quamichan Lake can be seen to the east at the top of the image and Cowichan Bay to the south east, is visible to the upper
45: 100: 479: 474: 381: 331: 484: 293:
conditions in the water column which severely limits habitat for trout and salmon. These blooms are the result of excessive
447: 232: 144: 240: 355: 132: 425: 177: 82: 78: 319: 315: 196: 260: 224: 204: 181: 173: 74: 468: 298: 290: 271: 188: 286: 255:) has been in the lake since the 1970s. and is now the most abundant fish species. 28: 277:
during the summers. These blooms render the lake unsuitable for human uses like
274: 248: 216: 208: 223:) spawn in the tributary streams. The Lake also contains populations of native 403: 302: 294: 115: 102: 282: 278: 404:"The Somenos - Quamichan Basin Watershed Atlas and Fish Production Plan" 270:
During the past two decades Somenos Lake has been subject to persistent
267:) that arrive at Somenos Lake in October and remain until early April. 187:
Somenos Lake and its tributary streams support resident populations of
133: 145: 86: 289:. The decay of the highly productive cyanobacteria also generates 441: 439: 172:
is a small shallow water body located in the Municipality of
382:"Somenos Basin Coho Salmon Summer Habitat Assessment" 159: 155: 143: 131: 92: 70: 21: 375: 373: 371: 369: 93: 349: 347: 305:in surrounding agricultural and urban lands. 8: 424:Important Bird Areas Canada (2018-04-08). 322:, and the Somenos Marsh Wildlife Society. 139:Richards Creek, Averill Creek, Bings Creek 18: 446:Madrone Consultants Inc. (August 2001). 343: 7: 52: 356:"Bathymetric Plan of Somenos Lake" 14: 332:List of lakes of British Columbia 51: 44: 27: 16:Lake in British Columbia, Canada 426:"Somenos Marsh Wildlife Refuge" 380:Preikshot, David (2015-02-11). 301:and excessive use of phosphate 158: 360:Government of British Columbia 1: 69: 501: 354:Harris, R.G. (June 1977). 480:Lakes of British Columbia 475:Lakes of Vancouver Island 448:"Somenos Management Plan" 402:Burns, Ted (1999-04-26). 39: 26: 247:). The Invasive species 233:Three-Spined Stickleback 320:Ducks Unlimited Canada 237:Gasterosteus aculeatus 163:22.2 feet (6.8 m) 485:Somenos Land District 245:Mylocheilus caurinus 297:in the lake due to 193:Oncorhynchus mykiss 112: /  318:, North Cowichan, 229:Ameiurus nebulosus 116:48.802°N 123.704°W 265:Cygnus buccinator 167: 166: 492: 459: 458: 455:somenosmarsh.com 452: 443: 434: 433: 421: 415: 414: 408: 399: 393: 392: 389:somenosmarsh.com 386: 377: 364: 363: 351: 253:Lepomis gibbosus 178:Vancouver Island 147: 146:Primary outflows 135: 127: 126: 124: 123: 122: 121:48.802; -123.704 117: 113: 110: 109: 108: 105: 95: 83:British Columbia 79:Vancouver Island 55: 54: 48: 31: 19: 500: 499: 495: 494: 493: 491: 490: 489: 465: 464: 463: 462: 450: 445: 444: 437: 423: 422: 418: 406: 401: 400: 396: 384: 379: 378: 367: 353: 352: 345: 340: 328: 316:Cowichan Tribes 311: 261:Trumpeter Swans 207:populations of 197:Cutthroat Trout 134:Primary inflows 120: 118: 114: 111: 106: 103: 101: 99: 98: 66: 65: 64: 63: 62: 61: 60: 56: 35: 17: 12: 11: 5: 498: 496: 488: 487: 482: 477: 467: 466: 461: 460: 435: 416: 394: 365: 342: 341: 339: 336: 335: 334: 327: 324: 310: 307: 225:Brown Bullhead 182:Cowichan River 174:North Cowichan 165: 164: 161: 157: 156: 153: 152: 149: 141: 140: 137: 129: 128: 96: 90: 89: 75:North Cowichan 72: 68: 67: 58: 57: 50: 49: 43: 42: 41: 40: 37: 36: 32: 24: 23: 15: 13: 10: 9: 6: 4: 3: 2: 497: 486: 483: 481: 478: 476: 473: 472: 470: 456: 449: 442: 440: 436: 431: 427: 420: 417: 412: 411:dfo-mpo.gc.ca 405: 398: 395: 390: 383: 376: 374: 372: 370: 366: 361: 357: 350: 348: 344: 337: 333: 330: 329: 325: 323: 321: 317: 308: 306: 304: 300: 299:deforestation 296: 292: 288: 284: 280: 276: 273: 272:cyanobacteria 268: 266: 262: 256: 254: 250: 246: 242: 241:Peamouth Chub 238: 234: 230: 226: 222: 218: 214: 210: 206: 202: 198: 194: 190: 189:Rainbow Trout 185: 183: 179: 176:on Southeast 175: 171: 162: 154: 151:Somenos Creek 150: 148: 142: 138: 136: 130: 125: 97: 91: 88: 84: 80: 76: 73: 47: 38: 30: 25: 20: 454: 429: 419: 410: 397: 388: 359: 312: 269: 264: 257: 252: 244: 236: 228: 220: 212: 200: 192: 186: 170:Somenos Lake 169: 168: 59:Somenos Lake 22:Somenos Lake 303:fertilizers 249:Pumpkinseed 217:Chum Salmon 209:Coho Salmon 119: / 107:123°42′14″W 94:Coordinates 469:Categories 430:IBA Canada 338:References 309:Management 295:phosphorus 213:O. kisutch 205:Anadromous 201:O. clarkii 160:Max. depth 104:48°48′07″N 326:See also 283:canoeing 279:swimming 71:Location 287:birding 239:), and 221:O. keta 291:anoxic 275:blooms 215:) and 195:) and 87:Canada 34:right. 451:(PDF) 407:(PDF) 385:(PDF) 285:and 231:), 203:). 471:: 453:. 438:^ 428:. 409:. 387:. 368:^ 358:. 346:^ 281:, 184:. 85:, 81:, 77:, 457:. 432:. 413:. 391:. 362:. 263:( 251:( 243:( 235:( 227:( 219:( 211:( 199:( 191:(

Index


Somenos Lake is located in Vancouver Island
North Cowichan
Vancouver Island
British Columbia
Canada
48°48′07″N 123°42′14″W / 48.802°N 123.704°W / 48.802; -123.704
Primary inflows
Primary outflows
North Cowichan
Vancouver Island
Cowichan River
Rainbow Trout
Cutthroat Trout
Anadromous
Coho Salmon
Chum Salmon
Brown Bullhead
Three-Spined Stickleback
Peamouth Chub
Pumpkinseed
Trumpeter Swans
cyanobacteria
blooms
swimming
canoeing
birding
anoxic
phosphorus
deforestation

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.