Knowledge (XXG)

Interior Yukon–Alaska alpine tundra

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26: 45: 176:. The cover is extensive 'dark taiga' of closed spruce forest, open forest of other species (aspen, willow, pine, fir), and alpine vegetation at higher altitudes. The region is mostly wilderness and relatively untouched by human development. 257:
ET), a local climate in which at least one month has an average temperature high enough to melt snow (0 °C (32 °F)), but no month with an average temperature in excess of 10 °C (50 °F). The area is affected by a
25: 290:). 32% of the region is closed needle-leaf evergreen forest, 26% is other types of open and closed forest, 20% shrub, 16% herbaceous vegetation, and rest bare ground or water. 270:
is 287 mm/year; precipitation may reach 600 mm/year in the higher elevations. Permafrost is found at the higher elevations and more northerly extents of the ecoregion.
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Over 17% of the ecoregion is officially protected. About 85% of the ecoregion is estimated to remain intact. The protected areas include:
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on the south. The mean elevation is 837 metres (2,746 ft), the highest is 2,745 metres (9,006 ft).
44: 205: 217: 492: 169: 193: 60: 259: 325: 295: 307: 588: 165: 161: 515: 465: 263: 201: 65: 562: 286: 197: 100: 331: 301: 280: 236: 189: 185: 173: 414: 337: 319: 232: 313: 157: 156:(WWF ID: NA1111) covers alpine, sub-alpine, and boreal forest areas along the 131: 118: 267: 213: 153: 436: 249: 104: 77: 35: 343: 262:
caused by the Alaska Range to the south screening storms from the
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Kottek, M.; Grieser, J.; Beck, C.; Rudolf, B.; Rubel, F. (2006).
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to the north. The mountains of this interior region include the
516:"World Map of Koppen-Geiger Climate Classification Updated" 220:
is known as the Yukon-Tanana Uplands, geologically the
168:. Geologically, they are the disjunct uplands of the 110: 96: 88: 83: 71: 59: 54: 18: 392:List of ecoregions in the United States (WWF) 208:(southern spur of the Brooks Range), and the 8: 227:The valleys below these ridges are of the ' 541:"Dataset - Koppen climate classifications" 468:. Digital Observatory for Protected Areas 375:White Mountains National Recreation Area 278:The most common trees are white spruce ( 92:233,172 km (90,028 sq mi) 403: 460: 458: 456: 454: 360:Yukon–Charley Rivers National Preserve 15: 493:"Interior Yukon-Alaska alpine tundra" 487: 485: 483: 466:"Interior Yukon-Alaska alpine tundra" 415:"Interior Yukon-Alaska alpine tundra" 409: 407: 293:Mammals of the area include caribou ( 212:that run in an arc north and east of 7: 266:. Average annual precipitation at 229:Interior Alaska-Yukon lowland taiga 151:Interior Yukon-Alaska alpine tundra 19:Interior Yukon-Alaska alpine tundra 387:List of ecoregions in Canada (WWF) 14: 370:Steese National Conservation Area 365:Chena River State Recreation Area 172:plus a southern extension of the 32:Steese National Conservation Area 247:The climate of the ecoregion is 43: 24: 574:Ecoregions of the United States 184:Interior Alaska is between the 160:(chain of mountain ranges) of 49:Ecoregion territory (in green) 1: 255:Köppen climate classification 196:in the western interior, the 521:. Gebrüder Borntraeger 2006 495:. The Encyclopedia of Earth 417:. World Wildlife Federation 605: 439:. Resolve, using WWF data 42: 23: 437:"Map of Ecoregions 2017" 210:White Mountains (Alaska) 180:Location and description 206:Phillip Smith Mountains 231:' ecoregion, with the 218:physiographic province 216:. Collectively, this 235:on the north and the 188:to the south and the 584:Ecoregions of Canada 579:Ecoregions of Alaska 284:) and black spruce ( 222:Yukon–Tanana Terrane 170:Yukon-Tanana Terrane 569:Nearctic ecoregions 341:), and hare (genus 194:Kuskokwim Mountains 128: /  260:rain shadow effect 164:and south-central 326:Castor canadensis 311:), Dall's sheep ( 299:), grizzly bear ( 296:Rangifer tarandus 147: 146: 596: 553: 552: 550: 548: 537: 531: 530: 528: 526: 520: 511: 505: 504: 502: 500: 489: 478: 477: 475: 473: 462: 449: 448: 446: 444: 433: 427: 426: 424: 422: 411: 308:Ursus americanus 143: 142: 140: 139: 138: 133: 132:64.75°N 143.75°W 129: 126: 125: 124: 121: 47: 28: 16: 604: 603: 599: 598: 597: 595: 594: 593: 559: 558: 557: 556: 546: 544: 539: 538: 534: 524: 522: 518: 513: 512: 508: 498: 496: 491: 490: 481: 471: 469: 464: 463: 452: 442: 440: 435: 434: 430: 420: 418: 413: 412: 405: 400: 383: 353: 351:Protected areas 305:), black bear ( 276: 274:Flora and fauna 245: 182: 166:Yukon Territory 162:Interior Alaska 136: 134: 130: 127: 122: 119: 117: 115: 114: 50: 38: 12: 11: 5: 602: 600: 592: 591: 586: 581: 576: 571: 561: 560: 555: 554: 532: 506: 479: 450: 428: 402: 401: 399: 396: 395: 394: 389: 382: 379: 378: 377: 372: 367: 362: 352: 349: 275: 272: 264:Gulf of Alaska 250:Tundra climate 244: 241: 202:Tanana, Alaska 181: 178: 145: 144: 137:64.75; -143.75 112: 108: 107: 98: 94: 93: 90: 86: 85: 81: 80: 75: 69: 68: 63: 57: 56: 52: 51: 48: 40: 39: 30:Eagle Summit, 29: 21: 20: 13: 10: 9: 6: 4: 3: 2: 601: 590: 587: 585: 582: 580: 577: 575: 572: 570: 567: 566: 564: 547:September 14, 542: 536: 533: 525:September 14, 517: 510: 507: 494: 488: 486: 484: 480: 467: 461: 459: 457: 455: 451: 443:September 14, 438: 432: 429: 416: 410: 408: 404: 397: 393: 390: 388: 385: 384: 380: 376: 373: 371: 368: 366: 363: 361: 358: 357: 356: 350: 348: 346: 345: 340: 339: 334: 333: 328: 327: 322: 321: 316: 315: 310: 309: 304: 303: 298: 297: 291: 289: 288: 287:Picea mariana 283: 282: 273: 271: 269: 265: 261: 256: 252: 251: 242: 240: 238: 234: 230: 225: 223: 219: 215: 211: 207: 203: 199: 198:Ray Mountains 195: 191: 187: 179: 177: 175: 171: 167: 163: 159: 155: 152: 141: 113: 109: 106: 102: 101:United States 99: 95: 91: 87: 82: 79: 76: 74: 70: 67: 64: 62: 58: 53: 46: 41: 37: 33: 27: 22: 17: 545:. Retrieved 543:. World Bank 535: 523:. Retrieved 509: 497:. Retrieved 470:. Retrieved 441:. Retrieved 431: 419:. Retrieved 354: 342: 336: 332:Vulpes fulva 330: 329:), red fox ( 324: 318: 312: 306: 302:Ursus arctos 300: 294: 292: 285: 281:Picea glauca 279: 277: 248: 246: 237:Tanana River 226: 190:Brooks Range 186:Alaska Range 183: 174:Brooks Range 150: 148: 338:Canis lupus 323:), beaver ( 320:Alces alces 233:Yukon River 135: / 111:Coordinates 563:Categories 499:August 28, 398:References 317:), moose ( 314:Ovis dalli 158:cordillera 472:August 1, 421:March 21, 335:), wolf ( 268:Fairbanks 214:Fairbanks 200:north of 154:ecoregion 84:Geography 381:See also 123:143°45′W 66:Nearctic 243:Climate 120:64°45′N 97:Country 55:Ecology 589:Tundra 105:Canada 78:Tundra 36:Alaska 519:(PDF) 344:Lepus 73:Biome 61:Realm 549:2019 527:2019 501:2020 474:2020 445:2019 423:2020 224:. 204:and 149:The 89:Area 347:). 565:: 482:^ 453:^ 406:^ 103:, 34:, 551:. 529:. 503:. 476:. 447:. 425:. 253:(

Index


Steese National Conservation Area
Alaska
Ecoregion territory (in green)
Realm
Nearctic
Biome
Tundra
United States
Canada
64°45′N 143°45′W / 64.75°N 143.75°W / 64.75; -143.75
ecoregion
cordillera
Interior Alaska
Yukon Territory
Yukon-Tanana Terrane
Brooks Range
Alaska Range
Brooks Range
Kuskokwim Mountains
Ray Mountains
Tanana, Alaska
Phillip Smith Mountains
White Mountains (Alaska)
Fairbanks
physiographic province
Yukon–Tanana Terrane
Interior Alaska-Yukon lowland taiga
Yukon River
Tanana River

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