Knowledge (XXG)

Coast Range (EPA ecoregion)

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1810: 44: 1783: 1743: 1830: 60: 1607: 1386: 1574: 381: 1725: 824:. Elevation varies from 20 to 1000 feet (6 to 300 m). The region lies outside the zone of marine influence, and its medium gradient streams and rivers have lower summer flow than most other parts of the Coast Range. Mature forest types include Douglas-fir, western hemlock, red alder, bigleaf maple, and western red cedar, but today the region is largely dominated by industrial timber plantations. It is the smallest of the Coast Range subregions, covering 354 square miles (917 km) in 1493:. Forests of this region are ecologically and genetically distinct from those of the redwood ecoregions (1i, 1k) farther north. Clear-cut logging was typical from the late 1800s to about the 1960s. Most logging now uses smaller selective cuts. Climate varies from the west to the east, as the high mountain ridges reduce the penetration of maritime air. Winters are cool and wet. On the western side, summers are cool, and fog or low overcast is typical. Soil temperature regimes are mostly 1004: 1849: 1758: 1689: 925: 641:. The Uplands region roughly corresponds with the historic distribution of Sitka spruce. After extensive logging, most of the Sitka spruce is gone, and today the forests are dominated by Douglas-fir and western hemlock, with a shrub layer of salal, sword fern, vine maple, Oregon grape, rhododendron, and evergreen blueberry. Wetter slopes and riparian areas feature red alder, bigleaf maple, and western redcedar, with a salmonberry and 1658: 1644: 1674: 1589: 1626: 1131:. In summer, warm, dry, offshore winds also help keep the fog away, making the King Range too dry to support the redwood forests that surround it on three sides. The King Range thrusts 4,000 feet (1,200 m) above the Pacific, making this area one of the more spectacular and remote stretches of coastline in the continental United States. In the northern part of the region, the 2133: 2007: 1951: 841: 868:, thereby degrading stream quality. The vegetation consists of Douglas-fir and western hemlock forests, with sword fern, vine maple, salal, Oregon grape, and rhododendron shrub layer. Wetter slopes and riparian areas support red alder, western redcedar, bigleaf maple, salmonberry, and oxalis. Large herds of 776:. The region's Douglas-fir plantations are heavily logged. Mature forests consist of Douglas-fir, western hemlock, salal, sword fern, vine maple, Oregon grape, and rhododendron. Wetter slopes and riparian areas may support western redcedar, bigleaf maple, red alder, salmonberry, and 1711: 896:. Elevation varies from 300 to 3000 feet (90 to 900 m). The region is more rugged than the geologically similar Willapa Hills. Its Douglas-fir forests are intensively managed for logging, and the slopes are prone to failure when disturbed, particularly south of the 1433:. Mount Tamalpais and Bolinas Ridge force moisture out of the air as it cools and ascends the steep western mountain faces. These western parts are heavily forested with redwoods and Douglas-fir. A few areas of drier exposures or shallow soils contain grasslands, 1809: 975:, and western redcedar are present, along with salal, sword fern, vine maple, Oregon grape, rhododendron, California bay-laurel, bigleaf maple, grand fir, red alder, salmonberry, and oxalis. The region covers 692 square miles (1,792 km) in a remote area of 863:
than other upland areas in the Coast Range. Logging is relatively easy and less expensive in this accessible terrain, and industrial timberland has almost completely replaced the historic forests. When disturbed, the silt- and clay-textured soils are easily
2353: 120: 1035:. In some factors, this region has more similarities to the temperate rain forests of the Oregon and Washington Coast Ranges than to redwood forest regions to the south. Dominated by conifers, the region also includes 1031:, young soils with a deep organic debris layer on the soil surface, occasional fire, and silting by floods limits the number of plant species. The region extends north only about 10 miles (16 km) into Oregon near 1521:
ecoregion has lower relief and elevations than Ecoregion 1n, with more coastal scrub vegetation and a few small areas of cropland rather than the denser forest and woodland of the Santa Cruz Mountains ecoregion (1n).
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that are intermixed with denser areas of forest. The near-coastal part of the region that is influenced more by fog has more redwoods and similarities to Ecoregion 1i to the north. Soil temperature regimes are mostly
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to the east. Rising to an elevation of approximately 4,000 feet (1,219 m), this region has the climate of the Coast Range but the varied lithology of the higher, more dissected Siskiyou Mountains, underlain by
796:. This large but disjunct ecoregion covers 2,043 square miles (5,291 km) in Oregon and 1,542 square miles (3,994 km) in Washington, including parts of the Olympic and Siuslaw National Forests and the 3061: 573:
loam. The region covers 633 square miles (1,639 km) in Oregon and 353 square miles (914 km) in Washington, with the largest contiguous areas found near Grays Harbor, Willapa Bay, the mouth of the
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occur. Most of the streams are small, and dry by the end of the summer. The Farallon Islands, about 20 miles southwest of Point Reyes, are a group of small granitic islands providing important habitat for
649:. The region is nearly three times the size of the Coastal Lowlands, covering 1,431 square miles (3,706 km) in Washington and 1,117 square miles (2,893 km) in Oregon. Public lands include the 1167:. Unlike the conifer-dominated forests of Ecoregion 1i to the north, these central redwood forests typically are more a mixture of conifers and hardwoods. Vegetation includes a multi-story canopy of 859:) consists of low, rolling hills and low, gently sloping mountains with medium gradient streams and rivers. It rises to an elevation of approximately 1,300 feet (396 m). This region has a lower 900:. Stream sedimentation is higher than in the Volcanics ecoregion. The mature forest consists of Douglas-fir and western hemlock, with salal, sword fern, vine maple, Oregon grape, and rhododendron; 717:. The region covers 1,685 square miles (4,364 km), entirely on the Olympic Peninsula of Washington. The higher elevations of the Olympic Mountains to the east are designated as part of the 2187: 872:
winter in the region. The region covers 1,277 square miles (3,307 km) in southwestern Washington and 751 square miles (1,945 km) in northwestern Oregon, inland from the coast.
1782: 3036: 1829: 908:, red alder, salmonberry, and oxalis, with California bay-laurel in the south. This is the largest of the Coast Range subregions, covering 3,739 square miles (9,684 km) in the 1405:. This small area of redwoods and other forest types ranges in elevation from sea level to more than 2,500 feet (760 m). It has more relief and coniferous forest than the 1848: 2702: 2942: 2272: 625:, and low mountains surrounding the Coastal Lowlands, with medium to high gradient tannic streams. Elevation varies from 400 to 2500 feet (120 to 760 m). The climate is 1606: 701:
at higher elevations. Riparian zones support red alder and bigleaf maple forests. Much of the region is in the third rotation of logging, including land within the
385: 178: 2892: 2990: 2859: 2197: 2180: 1914: 1890: 369: 220: 216: 2687: 2582: 2632: 2476: 2363: 1885: 1027:. Historically, unbroken redwood forests occurred and moderated local climate by trapping coastal fog and producing shade. The combination of shade, 3016: 2440: 2173: 1879: 658: 1742: 2723: 2297: 1509:. Streams on the northeastern side of the mountains generally are dry during the summer, but streams on the seaward side generally are perennial. 2607: 1573: 1757: 3056: 3031: 2728: 2682: 2491: 2246: 2667: 2552: 2358: 1258:. Monthly and annual temperature variations are minimal and summer fog is common. Vegetation includes coastal grasslands and shrubs, stunted 606: 599: 591: 583: 1220:
ecoregion forms an elevated coastal plain that has less relief (200–800 feet or 61–244 metres) than the adjacent mountains of Ecoregion 1k.
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preserves summer flows that are more consistent than streams on the sedimentary rocks in surrounding ecoregions. The streams still support
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than in Ecoregions 1i to the north or 1k to the south. Timber production, livestock grazing, and recreation are primary land uses.
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are the main rock types compared to the mix of geology in Ecoregion 1n that includes older sedimentary and some igneous rocks.
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drain a hilly-to-steep landscape of mixed evergreen forest, with a land cover that includes a relatively greater amount of
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may be found on drier slopes to the south. Wetter slopes and riparian areas support bigleaf maple, western redcedar,
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species. The shrub layer under forest canopy generally is sparse. Species of limited range in this area include the
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and high gradient streams. It rises to an elevation of approximately 4,000 feet (1,219 m). Higher areas were
2399: 2267: 2216: 1530:, and small valleys are the primary landforms. Elevations range from sea level to about 1,000 feet (300 m). 1164: 602: 2332: 2292: 3046: 2796: 2526: 1909: 1673: 1394: 992: 797: 2327: 1688: 1208:. Runoff is rapid and many of the smaller streams are dry by the end of the summer. Natural lakes are absent. 59: 2236: 2811: 2471: 2211: 1635: 1124: 702: 654: 268: 20: 2647: 1385: 988: 650: 1643: 1835: 1816: 1788: 1295: 1028: 801: 706: 500: 110: 1710: 2937: 2516: 2262: 1458: 1454: 1414: 1366: 1279: 1247: 1197: 1168: 976: 829: 694: 439:. Residential, commercial, and recreational developments are expanding in the coastal corridor. Many 260: 1003: 380: 1903: 1246:
rocks. Elevations range from sea level to about 1,300 feet (400 m). Soil moisture regimes are
825: 789: 464: 75: 455:, and associated stream degradation has occurred. Mature forests in the region are dominated by a 2562: 2069: 1598: 1546: 1498: 1486: 1251: 984: 943: 928: 698: 548: 520: 516: 284: 280: 272: 228: 24: 781: 19:
This article is about the ecoregion designated by the EPA. For the mountains in California, see
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below 400 feet (122 m) elevation. Characteristic features include wet forests, shallow
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Griffith, GE; Omernik, JM; Smith, DW; Cook, TD; Tallyn, E; Moseley, K; Johnson, CB (2016).
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ecoregion (6o). Various types of coniferous and hardwood forests occur, composed mostly of
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Level III ecoregions in the Pacific Northwest, with the Coast Range ecoregion marked as (1)
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Wildernesses, as well as higher elevations in the Cape Meares National Wildlife Refuge.
1855: 1523: 1474: 1470: 1430: 1426: 1354: 1259: 1184: 1084: 785: 769: 575: 552: 508: 414: 80: 3005: 1820: 1796: 1631: 1494: 1482: 1434: 1402: 1334: 1267: 1255: 1193: 1180: 1136: 1116: 1064: 1020: 897: 885: 869: 856: 845: 817: 773: 742: 579: 488: 480: 432: 362: 311: 52:, Oregon, a view of coastal uplands (foreground) and volcanic mountains (background) 1734: 1664: 1594: 1375: 1362: 1052: 964: 939: 689:. Copious precipitation (up to 200 inches (5,080 mm) a year) supports a lush, 556: 544: 536: 472: 358: 319: 264: 252: 2093: 1389:
Ecoregions of the San Francisco Bay Area, including sub-regions of the Coast Range
2870: 1748: 1716: 1679: 1462: 1410: 1406: 1350: 1342: 1299: 1263: 1243: 1172: 1128: 1096: 1024: 1016: 980: 504: 496: 334: 256: 224: 1649: 1490: 1330: 1303: 1240: 1221: 765: 634: 630: 528: 524: 492: 468: 452: 444: 418: 338: 236: 193: 180: 1538: 1534: 1478: 1438: 1322: 1310:. The maritime climate is temperate and humid, with frequent fog. There are 1271: 1228: 1108: 1056: 1048: 967:. Distributions of northern and southern vegetation blend together here and 905: 893: 889: 738: 646: 484: 350: 299: 884:
lies outside of the coastal fog zone and is typically underlain by massive
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and minimal seasonal temperature extremes. Abundant fog during the summer
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Clearcutting and road building, as in this area near the source of the
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consists of steeply sloping mountains and capes underlain by fractured
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ecoregion that is a transition zone between the Coast Range and the
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is common in the south. Estuaries and coastal wetlands may feature
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Level IV ecoregions in the Coast Range in Washington and Oregon. (
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Southern and Central California Chaparral and Oak Woodlands (6)
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6 Southern and Central California Chaparral and Oak Woodlands
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of western hemlock, western red cedar, and Douglas-fir, with
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of the region's streams have been drained and converted into
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The Coast Range ecoregion has been subdivided into fifteen
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influences land management strategies; slopes underlain by
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zone and are characteristically covered by fog-dependent
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Plant communities of the West Coast of the United States
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material that forms a series of undulating terraces and
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and lower mountains of the Olympic Range, with U-shaped
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of Sitka spruce, western hemlock, and Douglas-fir, with
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ecoregion covers the western and southwestern parts of
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from just south of the King Range to just south of the
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temperature regimes. Soil moisture regimes are mostly
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that includes the coniferous and hardwood forests of
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A small outlier of the region occurs in the south in
2961: 2930: 2909: 2825: 2779: 2763: 2747: 2716: 2540: 2449: 2433: 2372: 2346: 2255: 2204: 172: 152: 144: 139: 98: 86: 74: 69: 36: 2608:56 Southern Michigan/Northern Indiana Drift Plains 535:. Stabilized dunes support shore pine over salal, 1960:Thorson, TD; Bryce, SA; Lammers, DA; et al. 2477:29 Central Oklahoma/Texas Plains (Cross Timbers) 2247:120 Coastal Western Hemlock-Sitka Spruce Forests 302:are covered by highly productive, rain-drenched 971:is high. Douglas-fir, western hemlock, tanoak, 705:. However, a portion of the region lies within 337:blanketed the inland areas. Today, Douglas-fir 3037:Natural history of the California Coast Ranges 1906:maintains an alternate classification system: 1087:to the north and south, the vegetation of the 621:includes the headlands, high marine terraces, 16:Coastal ecoregion in the Western United States 2991:United States Environmental Protection Agency 2886: 2860:United States Environmental Protection Agency 2181: 1915:List of ecoregions in the United States (WWF) 1891:List of ecoregions in the United States (EPA) 1278:. Terrace soils typically are unsuitable for 1235:form the terraces, and some areas are deeply 275:, it encompasses the lower elevations of the 8: 1862:exemplify the coastal dune forest ecosystem. 2623:60 Northern Appalachian Plateau and Uplands 2019:Ecoregions of Western Washington and Oregon 2016:Pater, D; Bryce, SA; Kagan, J; et al. 1333:sands. Soil temperature regimes are mostly 936:Southern Oregon Coastal Mountains ecoregion 2893: 2879: 2871: 2802:104 Interior Forested Lowlands and Uplands 2703:83 Eastern Great Lakes and Hudson Lowlands 2188: 2174: 2166: 2001: 1999: 1997: 1995: 1993: 1991: 1989: 1987: 1985: 1196:. Soil moisture regimes are predominantly 1007:Map of Coast Range ecoregion in California 361:and road building than those underlain by 357:are more susceptible to failure following 1945: 1943: 1941: 1939: 1937: 1935: 1933: 1931: 1886:List of ecoregions in North America (CEC) 645:understory. The headlands are covered by 1880:Commission for Environmental Cooperation 1619:to the Southern Oregon Coastal Mountains 263:in Washington, the entire length of the 2943:9 Eastern Cascades Slopes and Foothills 2273:9 Eastern Cascades Slopes and Foothills 2127: 2125: 2123: 2121: 2119: 2117: 2115: 2113: 1927: 1778: 1706: 1569: 999:Northern Franciscan Redwood Forest (1i) 748:. Its mountains may have been offshore 741:. The region is marked by columnar and 108: 27:. For the mountains in Washington, see 1878:Ecoregions defined by the EPA and the 1302:and the sand spit at the north end of 1147:Coastal Franciscan Redwood Forest (1k) 979:in southwestern Oregon containing the 920:Southern Oregon Coastal Mountains (1h) 33: 2593:53 Southeastern Wisconsin Till Plains 607:Oregon Dunes National Recreation Area 7: 1212:Fort Bragg / Fort Ross Terraces (1l) 2678:72 Interior River Valleys and Hills 1501:. Soil moisture regimes are mostly 1337:. Soil moisture regimes are mostly 1286:Point Reyes / Farallon Islands (1m) 306:that are home to the three tallest 23:. For the mountains in Oregon, see 2688:74 Mississippi Valley Loess Plains 1545:soil type is typical, with mostly 1055:near the coast. Hardwoods such as 1013:Northern Franciscan Redwood Forest 14: 2843:112 Bristol Bay-Nushagak Lowlands 2755:76 Southern Florida Coastal Plain 2583:51 North Central Hardwood Forests 2145:Ecoregions of California (poster) 1823:and affect surface water quality. 1153:Coastal Franciscan Redwood Forest 882:Mid-Coastal Sedimentary ecoregion 341:are prevalent on the intensively 2708:84 Atlantic Coastal Pine Barrens 2633:63 Middle Atlantic Coastal Plain 2502:42 Northwestern Glaciated Plains 2227:111 Ahklun and Kilbuck Mountains 2136: This article incorporates 2131: 2010: This article incorporates 2005: 1954: This article incorporates 1949: 1847: 1828: 1808: 1781: 1756: 1741: 1723: 1709: 1687: 1672: 1656: 1642: 1624: 1605: 1587: 1572: 58: 42: 3017:Ecoregions of the United States 2931:Northwestern Forested Mountains 2441:23 Arizona/New Mexico Mountains 2364:8 Southern California Mountains 2256:Northwestern Forested Mountains 2198:Ecoregions in the United States 2027:United States Geological Survey 1971:United States Geological Survey 1079:King Range / Mattole Basin (1j) 431:, and low-gradient, meandering 221:Environmental Protection Agency 2724:49 Northern Minnesota Wetlands 2698:82 Laurentian Plains and Hills 2298:19 Wasatch and Uinta Mountains 2232:113 Alaska Peninsula Mountains 1239:, forming ravines that expose 1015:ecoregion lie entirely in the 1: 3057:Pacific temperate rainforests 3032:Regions of Washington (state) 2739:62 North Central Appalachians 2729:50 Northern Lakes and Forests 2683:73 Mississippi Alluvial Plain 2492:34 Western Gulf Coastal Plain 2410:22 Arizona/New Mexico Plateau 2242:119 Pacific Coastal Mountains 2159:. Open-File Report 2016–1021. 1341:. Common vegetation includes 1218:Fort Bragg/Fort Ross Terraces 2833:109 Subarctic Coastal Plains 2764:Southern Semi-Arid Highlands 2668:70 Western Allegheny Plateau 2658:68 Southwestern Appalachians 2618:59 Northeastern Coastal Zone 2603:55 Eastern Corn Belt Plains 2553:33 East Central Texas Plains 2522:46 Northern Glaciated Plains 2507:43 Northwestern Great Plains 1896:List of ecoregions in Oregon 1874:Coast Range (disambiguation) 1513:San Mateo Coastal Hills (1o) 1292:Point Reyes/Farallon Islands 1254:, and soil temperatures are 1063:occur. Fine and fine-loamy, 876:Mid-Coastal Sedimentary (1g) 609:, and numerous state parks. 93:Temperate coniferous forests 3052:Flora of Washington (state) 2979:80 Northern Basin and Range 2598:54 Central Corn Belt Plains 2548:32 Texas Blackland Prairies 2527:47 Western Corn Belt Plains 2497:40 Central Irregular Plains 2420:80 Northern Basin and Range 2359:7 Central California Valley 1768:Northern Oregon Coast Range 1663:Grasses help stabilize the 1270:, along with areas of some 1091:ecoregion includes a mixed 948:Klamath Mountains ecoregion 914:Southern Oregon Coast Range 816:is a gently sloping fan of 665:national wildlife refuges. 3083: 2462:26 Southwestern Tablelands 2425:81 Sonoran Basin and Range 2390:13 Central Basin and Range 2151:. U.S. Geological Survey. 1457:where vegetation includes 1155:ecoregion extends through 399:Coastal Lowlands ecoregion 18: 2987: 2856: 2734:58 Northeastern Highlands 2693:75 Southern Coastal Plain 2613:57 Huron/Erie Lake Plains 2395:14 Mojave Basin and Range 1445:Santa Cruz Mountains (1n) 1335:isomesic, with some mesic 1011:The low mountains of the 946:, which form part of the 619:Coastal Uplands ecoregion 603:National Wildlife Refuges 269:Northern California Coast 239:. It stretches along the 57: 41: 3022:Ecoregions of California 2910:Marine West Coast Forest 2807:106 Interior Bottomlands 2787:101 Arctic Coastal Plain 2541:Eastern Temperate Forest 2487:31 Southern Texas Plains 2347:Mediterranean California 2205:Marine West Coast Forest 1910:List of ecoregions (WWF) 1838:have the highest living 1089:King Range/Mattole Basin 993:Siskiyou National Forest 752:engulfed by continental 719:North Cascades ecoregion 629:with an extended winter 487:, western redcedar, and 251:in the south, including 2663:69 Central Appalachians 2558:35 South Central Plains 2467:27 Central Great Plains 1902:The conservation group 1519:San Mateo Coastal Hills 1294:ecoregion includes the 987:drainages. It includes 957:metamorphosed sediments 853:Willapa Hills ecoregion 703:Olympic National Forest 655:Siuslaw National Forest 21:California Coast Ranges 2962:North American Deserts 2771:79 Madrean Archipelago 2643:65 Southeastern Plains 2512:44 Nebraska Sand Hills 2457:25 Western High Plains 2373:North American Deserts 2338:118 Wrangell Mountains 2323:105 Interior Highlands 2138:public domain material 2094:"Gymnosperm Database: 2070:"Gymnosperm Database: 2046:"Gymnosperm Database: 2012:public domain material 1956:public domain material 1390: 1107:, as well as areas of 1008: 989:Grassy Knob Wilderness 938:is a geologically and 931: 848: 675:Low Olympics ecoregion 651:Drift Creek Wilderness 389: 310:species in the world: 131:Klamath Mountains (78) 2817:108 Ogilvie Mountains 2563:36 Ouachita Mountains 2532:48 Lake Agassiz Plain 2415:24 Chihuahuan Deserts 2072:Pseudotsuga menziesii 1817:Lewis and Clark River 1789:Rock Creek Wilderness 1582:, Oregon's state tree 1388: 1296:Point Reyes Peninsula 1151:The main part of the 1006: 927: 843: 758:200 million years ago 707:Olympic National Park 501:California bay-laurel 393:Coastal Lowlands (1a) 383: 273:Coast Range mountains 213:Coast Range ecoregion 116:Willamette Valley (3) 37:Coast Range ecoregion 3027:Ecoregions of Oregon 3012:Pacific Coast Ranges 2974:12 Snake River Plain 2953:78 Klamath Mountains 2903:Ecoregions in Oregon 2848:114 Aleutian Islands 2838:110 Seward Peninsula 2792:102 Arctic Foothills 2748:Tropical Wet Forests 2638:64 Northern Piedmont 2405:20 Colorado Plateaus 2385:12 Snake River Plain 2318:78 Klamath Mountains 2048:Sequoia sempervirens 1963:Ecoregions of Oregon 1819:, may contribute to 1451:Santa Cruz Mountains 830:Aberdeen, Washington 713:with extremely high 613:Coastal Uplands (1b) 261:Long Beach Peninsula 247:in the north to the 243:from the tip of the 3067:Nearctic ecoregions 2969:10 Columbia Plateau 2922:3 Willamette Valley 2673:71 Interior Plateau 2653:67 Ridge and Valley 2628:61 Erie Drift Plain 2573:38 Boston Mountains 2380:10 Columbia Plateau 2308:41 Canadian Rockies 2303:21 Southern Rockies 2283:15 Northern Rockies 2222:3 Willamette Valley 2157:10.3133/ofr20161021 1904:World Wildlife Fund 1836:Olympic rainforests 1636:Northern California 1547:thermic to isomesic 1306:, and the offshore 1083:In contrast to the 1075:are typical soils. 940:botanically diverse 826:Grays Harbor County 790:California oatgrass 731:Volcanics ecoregion 637:reduces vegetation 541:evergreen blueberry 376:Level IV ecoregions 370:Level IV ecoregions 217:Level III ecoregion 190: /  126:North Cascades (77) 3042:Oregon Coast Range 2989:as defined by the 2858:as defined by the 2578:39 Ozark Highlands 2568:37 Arkansas Valley 2482:30 Edwards Plateau 2333:117 Copper Plateau 2288:16 Idaho Batholith 1599:Oregon Coast Range 1495:mesic and isomesic 1487:Santa Cruz cypress 1477:, along with some 1391: 1194:isomesic and mesic 1119:cover many of the 1009: 944:Siskiyou Mountains 932: 849: 836:Willapa Hills (1f) 699:Pacific silver fir 549:Chilean strawberry 521:seaside arrowgrass 517:Pacific silverleaf 390: 287:, and surrounding 285:North Coast Ranges 283:, the Californian 281:Oregon Coast Range 219:designated by the 25:Oregon Coast Range 2999: 2998: 2948:11 Blue Mountains 2868: 2867: 2588:52 Driftless Area 2434:Temperate Sierras 2313:77 North Cascades 2293:17 Middle Rockies 2278:11 Blue Mountains 1842:density on earth. 1764:Black-tailed deer 1613:Port Orford cedar 1580:Coast Douglas-fir 1359:Pacific reedgrass 1314:rocks along with 1141:annual grasslands 1045:Port Orford cedar 973:Port Orford cedar 969:species diversity 814:Outwash ecoregion 669:Low Olympics (1c) 627:marine-influenced 316:Coast Douglas-fir 304:evergreen forests 277:Olympic Mountains 249:San Francisco Bay 245:Olympic Peninsula 209: 208: 111:Puget Lowland (2) 29:Olympic Mountains 3074: 2895: 2888: 2881: 2872: 2797:103 Brooks Range 2717:Northern Forests 2400:18 Wyoming Basin 2328:116 Alaska Range 2190: 2183: 2176: 2167: 2161: 2160: 2150: 2135: 2134: 2129: 2108: 2107: 2105: 2104: 2096:Picea sitchensis 2090: 2084: 2083: 2081: 2080: 2066: 2060: 2059: 2057: 2056: 2042: 2036: 2030: 2024: 2009: 2008: 2003: 1980: 1974: 1968: 1953: 1952: 1947: 1851: 1832: 1812: 1785: 1760: 1745: 1731:Douglas squirrel 1727: 1713: 1691: 1676: 1660: 1646: 1628: 1609: 1591: 1576: 1308:Farallon Islands 1157:Mendocino County 1127:rises above the 1093:evergreen forest 1041:western redcedar 1029:root competition 880:The mountainous 861:drainage density 844:Willapa bay and 513:tufted hairgrass 355:sedimentary rock 324:western redcedar 271:. Named for the 205: 204: 202: 201: 200: 195: 191: 188: 187: 186: 183: 62: 50:Ecola State Park 46: 34: 3082: 3081: 3077: 3076: 3075: 3073: 3072: 3071: 3047:Flora of Oregon 3002: 3001: 3000: 2995: 2983: 2957: 2926: 2905: 2899: 2869: 2864: 2852: 2821: 2812:107 Yukon Flats 2775: 2759: 2743: 2712: 2536: 2445: 2429: 2368: 2342: 2268:5 Sierra Nevada 2251: 2217:2 Puget Lowland 2200: 2194: 2164: 2148: 2141: 2132: 2130: 2111: 2102: 2100: 2092: 2091: 2087: 2078: 2076: 2068: 2067: 2063: 2054: 2052: 2044: 2043: 2039: 2022: 2015: 2006: 2004: 1983: 1966: 1959: 1950: 1948: 1929: 1925: 1870: 1863: 1860:Humboldt County 1852: 1843: 1833: 1824: 1813: 1804: 1801:cutthroat trout 1786: 1777: 1770: 1761: 1752: 1746: 1737: 1728: 1719: 1714: 1705: 1698: 1692: 1683: 1677: 1668: 1661: 1652: 1647: 1638: 1629: 1620: 1610: 1601: 1592: 1583: 1577: 1568: 1563: 1528:coastal benches 1524:Marine terraces 1515: 1447: 1399:Mount Tamalpais 1288: 1276:western hemlock 1214: 1185:coast live oaks 1149: 1085:redwood forests 1081: 1037:western hemlock 1001: 922: 878: 855:(named for the 838: 818:glacial outwash 810: 782:Roemer's fescue 727: 711:ancient forests 671: 659:Lewis and Clark 639:moisture stress 615: 533:Hooker's willow 415:marine terraces 395: 378: 328:western hemlock 198: 196: 192: 189: 184: 181: 179: 177: 176: 168: 135: 107: 106: 65: 53: 32: 17: 12: 11: 5: 3080: 3078: 3070: 3069: 3064: 3059: 3054: 3049: 3044: 3039: 3034: 3029: 3024: 3019: 3014: 3004: 3003: 2997: 2996: 2988: 2985: 2984: 2982: 2981: 2976: 2971: 2965: 2963: 2959: 2958: 2956: 2955: 2950: 2945: 2940: 2934: 2932: 2928: 2927: 2925: 2924: 2919: 2913: 2911: 2907: 2906: 2900: 2898: 2897: 2890: 2883: 2875: 2866: 2865: 2857: 2854: 2853: 2851: 2850: 2845: 2840: 2835: 2829: 2827: 2823: 2822: 2820: 2819: 2814: 2809: 2804: 2799: 2794: 2789: 2783: 2781: 2777: 2776: 2774: 2773: 2767: 2765: 2761: 2760: 2758: 2757: 2751: 2749: 2745: 2744: 2742: 2741: 2736: 2731: 2726: 2720: 2718: 2714: 2713: 2711: 2710: 2705: 2700: 2695: 2690: 2685: 2680: 2675: 2670: 2665: 2660: 2655: 2650: 2645: 2640: 2635: 2630: 2625: 2620: 2615: 2610: 2605: 2600: 2595: 2590: 2585: 2580: 2575: 2570: 2565: 2560: 2555: 2550: 2544: 2542: 2538: 2537: 2535: 2534: 2529: 2524: 2519: 2514: 2509: 2504: 2499: 2494: 2489: 2484: 2479: 2474: 2472:28 Flint Hills 2469: 2464: 2459: 2453: 2451: 2447: 2446: 2444: 2443: 2437: 2435: 2431: 2430: 2428: 2427: 2422: 2417: 2412: 2407: 2402: 2397: 2392: 2387: 2382: 2376: 2374: 2370: 2369: 2367: 2366: 2361: 2356: 2350: 2348: 2344: 2343: 2341: 2340: 2335: 2330: 2325: 2320: 2315: 2310: 2305: 2300: 2295: 2290: 2285: 2280: 2275: 2270: 2265: 2259: 2257: 2253: 2252: 2250: 2249: 2244: 2239: 2237:115 Cook Inlet 2234: 2229: 2224: 2219: 2214: 2208: 2206: 2202: 2201: 2195: 2193: 2192: 2185: 2178: 2170: 2163: 2162: 2109: 2085: 2061: 2037: 1981: 1926: 1924: 1921: 1920: 1919: 1918: 1917: 1912: 1900: 1899: 1898: 1893: 1888: 1876: 1869: 1866: 1865: 1864: 1856:Lanphere Dunes 1853: 1846: 1844: 1834: 1827: 1825: 1814: 1807: 1805: 1787: 1780: 1776: 1773: 1772: 1771: 1762: 1755: 1753: 1747: 1740: 1738: 1729: 1722: 1720: 1715: 1708: 1704: 1701: 1700: 1699: 1693: 1686: 1684: 1678: 1671: 1669: 1662: 1655: 1653: 1648: 1641: 1639: 1630: 1623: 1621: 1611: 1604: 1602: 1597:logged in the 1593: 1586: 1584: 1578: 1571: 1567: 1564: 1562: 1559: 1514: 1511: 1475:California bay 1471:coast live oak 1446: 1443: 1431:coast live oak 1427:California bay 1355:coast live oak 1287: 1284: 1213: 1210: 1187:and grassland 1148: 1145: 1137:Mattole Rivers 1080: 1077: 1000: 997: 921: 918: 877: 874: 837: 834: 809: 806: 792:, and diverse 786:thin bentgrass 770:chinook salmon 735:basaltic rocks 726: 725:Volcanics (1d) 723: 670: 667: 614: 611: 576:Columbia River 553:dune bentgrass 509:Lyngby's sedge 433:tannic streams 394: 391: 377: 374: 207: 206: 194:43.0°N 123.8°W 174: 170: 169: 167: 166: 163: 160: 156: 154: 150: 149: 146: 142: 141: 137: 136: 134: 133: 128: 123: 118: 113: 104: 103: 102: 100: 96: 95: 90: 84: 83: 78: 72: 71: 67: 66: 63: 55: 54: 47: 39: 38: 15: 13: 10: 9: 6: 4: 3: 2: 3079: 3068: 3065: 3063: 3060: 3058: 3055: 3053: 3050: 3048: 3045: 3043: 3040: 3038: 3035: 3033: 3030: 3028: 3025: 3023: 3020: 3018: 3015: 3013: 3010: 3009: 3007: 2994: 2992: 2986: 2980: 2977: 2975: 2972: 2970: 2967: 2966: 2964: 2960: 2954: 2951: 2949: 2946: 2944: 2941: 2939: 2936: 2935: 2933: 2929: 2923: 2920: 2918: 2917:1 Coast Range 2915: 2914: 2912: 2908: 2904: 2896: 2891: 2889: 2884: 2882: 2877: 2876: 2873: 2863: 2861: 2855: 2849: 2846: 2844: 2841: 2839: 2836: 2834: 2831: 2830: 2828: 2824: 2818: 2815: 2813: 2810: 2808: 2805: 2803: 2800: 2798: 2795: 2793: 2790: 2788: 2785: 2784: 2782: 2778: 2772: 2769: 2768: 2766: 2762: 2756: 2753: 2752: 2750: 2746: 2740: 2737: 2735: 2732: 2730: 2727: 2725: 2722: 2721: 2719: 2715: 2709: 2706: 2704: 2701: 2699: 2696: 2694: 2691: 2689: 2686: 2684: 2681: 2679: 2676: 2674: 2671: 2669: 2666: 2664: 2661: 2659: 2656: 2654: 2651: 2649: 2648:66 Blue Ridge 2646: 2644: 2641: 2639: 2636: 2634: 2631: 2629: 2626: 2624: 2621: 2619: 2616: 2614: 2611: 2609: 2606: 2604: 2601: 2599: 2596: 2594: 2591: 2589: 2586: 2584: 2581: 2579: 2576: 2574: 2571: 2569: 2566: 2564: 2561: 2559: 2556: 2554: 2551: 2549: 2546: 2545: 2543: 2539: 2533: 2530: 2528: 2525: 2523: 2520: 2518: 2515: 2513: 2510: 2508: 2505: 2503: 2500: 2498: 2495: 2493: 2490: 2488: 2485: 2483: 2480: 2478: 2475: 2473: 2470: 2468: 2465: 2463: 2460: 2458: 2455: 2454: 2452: 2448: 2442: 2439: 2438: 2436: 2432: 2426: 2423: 2421: 2418: 2416: 2413: 2411: 2408: 2406: 2403: 2401: 2398: 2396: 2393: 2391: 2388: 2386: 2383: 2381: 2378: 2377: 2375: 2371: 2365: 2362: 2360: 2357: 2355: 2352: 2351: 2349: 2345: 2339: 2336: 2334: 2331: 2329: 2326: 2324: 2321: 2319: 2316: 2314: 2311: 2309: 2306: 2304: 2301: 2299: 2296: 2294: 2291: 2289: 2286: 2284: 2281: 2279: 2276: 2274: 2271: 2269: 2266: 2264: 2261: 2260: 2258: 2254: 2248: 2245: 2243: 2240: 2238: 2235: 2233: 2230: 2228: 2225: 2223: 2220: 2218: 2215: 2213: 2212:1 Coast Range 2210: 2209: 2207: 2203: 2199: 2191: 2186: 2184: 2179: 2177: 2172: 2171: 2168: 2158: 2154: 2147: 2146: 2139: 2128: 2126: 2124: 2122: 2120: 2118: 2116: 2114: 2110: 2099: 2097: 2089: 2086: 2075: 2073: 2065: 2062: 2051: 2049: 2041: 2038: 2034: 2028: 2021: 2020: 2013: 2002: 2000: 1998: 1996: 1994: 1992: 1990: 1988: 1986: 1982: 1978: 1972: 1965: 1964: 1957: 1946: 1944: 1942: 1940: 1938: 1936: 1934: 1932: 1928: 1922: 1916: 1913: 1911: 1908: 1907: 1905: 1901: 1897: 1894: 1892: 1889: 1887: 1884: 1883: 1881: 1877: 1875: 1872: 1871: 1867: 1861: 1857: 1850: 1845: 1841: 1837: 1831: 1826: 1822: 1821:slope failure 1818: 1811: 1806: 1802: 1798: 1794: 1790: 1784: 1779: 1774: 1769: 1765: 1759: 1754: 1750: 1744: 1739: 1736: 1732: 1726: 1721: 1718: 1712: 1707: 1702: 1696: 1690: 1685: 1681: 1675: 1670: 1666: 1659: 1654: 1651: 1645: 1640: 1637: 1633: 1632:Coast redwood 1627: 1622: 1618: 1614: 1608: 1603: 1600: 1596: 1590: 1585: 1581: 1575: 1570: 1565: 1560: 1558: 1556: 1552: 1548: 1544: 1540: 1536: 1533: 1529: 1525: 1520: 1512: 1510: 1508: 1504: 1500: 1496: 1492: 1488: 1484: 1483:coastal scrub 1480: 1476: 1472: 1468: 1464: 1460: 1456: 1452: 1444: 1442: 1440: 1436: 1435:coastal scrub 1432: 1428: 1424: 1420: 1416: 1412: 1408: 1404: 1403:Bolinas Ridge 1400: 1396: 1387: 1383: 1381: 1377: 1373: 1368: 1364: 1360: 1356: 1352: 1348: 1344: 1340: 1336: 1332: 1328: 1324: 1321: 1317: 1313: 1309: 1305: 1301: 1297: 1293: 1285: 1283: 1281: 1277: 1273: 1269: 1268:pygmy cypress 1265: 1261: 1257: 1253: 1249: 1245: 1242: 1238: 1234: 1230: 1227: 1223: 1219: 1211: 1209: 1207: 1203: 1199: 1195: 1190: 1186: 1182: 1181:bigleaf maple 1178: 1174: 1170: 1166: 1165:Sonoma County 1162: 1161:Russian River 1158: 1154: 1146: 1144: 1142: 1138: 1134: 1130: 1126: 1122: 1118: 1117:coastal scrub 1114: 1110: 1106: 1102: 1098: 1094: 1090: 1086: 1078: 1076: 1074: 1070: 1066: 1062: 1058: 1054: 1050: 1046: 1042: 1038: 1034: 1030: 1026: 1022: 1021:coast redwood 1018: 1014: 1005: 998: 996: 994: 990: 986: 982: 978: 974: 970: 966: 962: 958: 954: 949: 945: 941: 937: 930: 926: 919: 917: 915: 911: 907: 903: 899: 898:Siuslaw River 895: 891: 887: 883: 875: 873: 871: 870:Roosevelt elk 867: 862: 858: 857:Willapa Hills 854: 847: 842: 835: 833: 831: 827: 823: 819: 815: 807: 805: 803: 799: 798:Cummins Creek 795: 791: 787: 783: 779: 775: 771: 767: 763: 759: 755: 751: 747: 744: 743:pillow basalt 740: 736: 732: 724: 722: 720: 716: 712: 709:and contains 708: 704: 700: 696: 692: 688: 684: 680: 676: 668: 666: 664: 660: 656: 652: 648: 644: 640: 636: 632: 628: 624: 620: 612: 610: 608: 604: 601: 597: 593: 589: 585: 581: 580:Tillamook Bay 577: 572: 568: 565: 562: 558: 557:Soil textures 554: 550: 546: 542: 538: 534: 530: 526: 522: 518: 514: 510: 506: 502: 498: 494: 490: 489:bigleaf maple 486: 482: 481:riparian zone 478: 474: 470: 466: 462: 458: 454: 450: 446: 442: 438: 434: 430: 427: 423: 420: 416: 412: 408: 404: 400: 392: 387: 382: 375: 373: 371: 366: 364: 363:volcanic rock 360: 356: 352: 348: 344: 340: 336: 333: 329: 325: 321: 317: 313: 312:Coast redwood 309: 305: 301: 297: 292: 290: 286: 282: 278: 274: 270: 266: 262: 258: 254: 250: 246: 242: 241:Pacific Coast 238: 234: 230: 226: 223:(EPA) in the 222: 218: 214: 203: 175: 171: 164: 161: 158: 157: 155: 151: 148:United States 147: 143: 138: 132: 129: 127: 124: 122: 119: 117: 114: 112: 109: 101: 97: 94: 91: 89: 85: 82: 79: 77: 73: 68: 61: 56: 51: 45: 40: 35: 30: 26: 22: 2916: 2450:Great Plains 2144: 2101:. Retrieved 2095: 2088: 2077:. Retrieved 2071: 2064: 2053:. Retrieved 2047: 2040: 2033:Reverse side 2018: 1977:Reverse side 1962: 1854:The dynamic 1751:hunting fish 1735:Oregon Coast 1665:Oregon Dunes 1595:Sitka spruce 1518: 1516: 1497:, with some 1450: 1448: 1395:Marin County 1392: 1363:coyote brush 1291: 1289: 1217: 1215: 1152: 1150: 1088: 1082: 1053:Sitka spruce 1012: 1010: 977:Curry County 965:serpentinite 935: 933: 881: 879: 852: 850: 813: 811: 808:Outwash (1e) 730: 728: 674: 672: 631:rainy season 618: 616: 600:Bandon Marsh 592:Nestucca Bay 584:Grays Harbor 545:dune wildrye 537:rhododendron 473:Oregon grape 398: 396: 367: 359:clearcutting 320:Sitka spruce 293: 265:Oregon Coast 253:Grays Harbor 212: 210: 199:43.0; -123.8 2517:45 Piedmont 1749:Snowy egret 1717:Coho salmon 1680:Salmonberry 1463:Douglas-fir 1411:Douglas-fir 1407:Marin Hills 1351:Bishop pine 1343:Douglas-fir 1300:Bodega Head 1264:Bishop pine 1244:sedimentary 1173:Douglas-fir 1129:coastal fog 1097:Douglas-fir 1051:, and some 1025:Douglas-fir 1017:coastal fog 991:within the 955:sandstone, 772:and summer 663:Cape Meares 559:range from 505:Baltic rush 497:salmonberry 479:layer. The 453:dairy farms 445:floodplains 349:landscape. 339:plantations 335:Douglas-fir 257:Willapa Bay 225:U.S. states 197: / 173:Coordinates 3006:Categories 2938:4 Cascades 2901:Level III 2263:4 Cascades 2196:Level III 2103:2012-02-05 2079:2012-02-05 2055:2012-02-05 1923:References 1775:Landscapes 1650:Vine maple 1491:Shreve oak 1331:Quaternary 1304:Bodega Bay 1260:beach pine 1241:Cretaceous 1229:sandstones 1222:Quaternary 1125:King Range 802:Rock Creek 768:of spring 695:rainforest 657:, and the 647:grasslands 635:dry season 596:Siletz Bay 529:sweet gale 525:shore pine 493:understory 469:vine maple 465:sword fern 419:freshwater 413:, and low 407:sand dunes 267:, and the 259:, and the 237:California 229:Washington 165:California 159:Washington 1797:steelhead 1791:supports 1733:near the 1634:trees in 1539:siltstone 1535:sandstone 1479:chaparral 1455:the range 1439:chaparral 1380:sea lions 1323:sandstone 1272:grand fir 1250:and some 1237:dissected 1233:mudstones 1121:headlands 1109:grassland 1057:red alder 1049:grand fir 1033:Brookings 985:Elk River 929:Elk River 906:grand fir 894:siltstone 890:sandstone 828:north of 774:steelhead 762:substrate 754:sediments 750:seamounts 739:sea level 687:glaciated 679:foothills 677:contains 485:red alder 483:supports 426:estuarine 401:contains 351:Lithology 300:ecoregion 296:mountains 140:Geography 1868:See also 1543:Mollisol 1532:Pliocene 1415:redwoods 1372:seabirds 1367:redwoods 1365:. 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Index

California Coast Ranges
Oregon Coast Range
Olympic Mountains

Ecola State Park

Realm
Nearctic
Biome
Temperate coniferous forests
Puget Lowland (2)
Willamette Valley (3)
Southern and Central California Chaparral and Oak Woodlands (6)
North Cascades (77)
Klamath Mountains (78)
43°00′N 123°48′W / 43.0°N 123.8°W / 43.0; -123.8
Level III ecoregion
Environmental Protection Agency
U.S. states
Washington
Oregon
California
Pacific Coast
Olympic Peninsula
San Francisco Bay
Grays Harbor
Willapa Bay
Long Beach Peninsula
Oregon Coast
Northern California Coast

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