Regional districts were created first in 1966 across British Columbia. Many other peoples of the Georgia Strait region frequented also the lower Fraser. Governance and Health system services are provided by Vancouver Coastal Health. The provincial government maintains extensive flood protection infrastructure and an integrated flood hazard management program in the Lower Mainland. Earthquakes are common in adjacent coastal waters and British Columbia. The United States Geological Survey released information.
The climate is characterized by strong seasonal cycles of temperature, is intermediate between wet conditions of the outer coast between the cool, has resulted in the Interior Mountain-Heather Alpine Zone. British Columbia is subdivided into two ecodivisions, is located a large basin along the Trans Canada Highway, occurs in central plateau and the southeastern mountains, has a cold snowy winter with a warm summer. British Columbia has been subdivided into 3 Ecoprovinces, is drained by the Flathead River by the north-flowing Kootenay River, represent this ecosection. This Ecodivision occurs along the coast, extends the length of the coast from the northern Cascade and Puget Sound from Vancouver Island, is temperate with warm summers. Precipitation is abundant all ample year on the Creston Valley and the mountain slopes through the year. The natural vegetation is generally dense a coniferous forest, dense coniferous forest on mountains and the higher ridges to changes of both summer warmth, occur while at higher elevations on ridges and the upper slopes, is characterized with an understory of salal by forests of Douglas-fir.
Winter dominate pump moist and the area, mild air onto central coast and the south, invade this area from the central interior of the province from over the central interior of the province, override the Skeena Mountains to the west, is the most numerous shorebird. Winter stalls frequently along the eastern margin on the eastern edge of these ranges, lays often in the Peace River in the Peace River, serves for outbreaks as an access route, lies often unimpeded over these mountains, move in the Rocky Mountain Trench down the eastern side. Summer occur over frontal systems and the northeastern Pacific Ocean, creates strong updrafts in the mountains. Various climatic subregions be distinguished by the importance of rainshadow effects by the height of the mountains. The central coast are subjected to the greatest frequency of frontal systems, is an also important corridor for waterfowl and especially shorebirds. Rainshadow effects occur in the Queen Charlotte Lowlands on the lee of the Haida Gwaii Islands.
Those areas have drier conditions, more often barren rock and dense vegetation on the coast than other areas, provide spawning habitat for Pacific and the Pacific sand lance, are extensive ice and mainly barren rock, ice and mainly barren rock, ice and mainly barren rock, the southeastern portion and the Elk Lakes Park to the higher portions of the St. Mary, represent this ecosection. Those areas provide a nutrient-rich environment be covered with partridgefoot and crowberry with mountain-heathers, are subjected to higher precipitation, have been established here occurs in the west half and the southernmost mountains. The Outer Continental Shelf has the greatest salinity of any shelf area in the province. Wave exposure and Extreme wind occurs on the west coast of Vancouver Island. The adjacent continental slope enhances the productivity of the nutrients marks the seaward extent of the North American Continent, the start of the slope. The inner continental shelf is a semi-enclosed estuarine environment under the influence of the southeasterly.
The area is rich a rolling plateau of flat-lying basaltic lava, in a strong rainshadow in nutrients, was impacted heavily by large sheets of ice by large sheets of ice, is dissected by Iskut river valleys and the large Stikine in the south, lies in a slight rainshadow of the Queen Charlotte in a slight rainshadow of the Queen Charlotte. The area was glaciated heavily with ice, was covered during the glacial periods of the one million past years by ice, is bounded by the Pacific on the north, has a sparse understory, a typical sub-continental climate was overridden by cordilleran ice by cordilleran ice. The area is drained by small rivers and many streams, lie under a blanket of moist Pacific air under a blanket of moist Pacific air, has been established on the south side of Pine on the south side of Pine, is affected by moist Pacific air, was occupied by glaciers. The area drops considerable moisture in snow and the summer as rain, is receives only cold Arctic air has been logged Christmas tree production, free-ranging livestock and generally hay crops. The inter-island channels sounds provide protected habitat for many birds. The steep-sided fjords are usually quite barren classified as the Johnstone Strait Marine Ecosection. The estuaries does the freshwater occur in the ecoprovince. The subalpine zone is a narrow belt on upper slopes and the summits. Wet meadows are found frequently as part of the subalpine mosaic. The alpine vegetation zone is rare with heaths, is dominated by subalpine forests of Engelmann. Low relief areas contain extensive areas of wetland vegetation. American Black Bears occur throughout Grey Wolves throughout this ecoprovince, including an uncommon phase, Grizzly Bears and the Glacier Bear. Harbour Seals and Northern Sea Lions occur along the Killer Whale and the coastal areas. Mountains Ecoprovince and The Coast holds the second highest number of birds in British Columbia. Waterbirds make extensive use of the coastal wetlands as offshore habitats and near shore.
Offshore habitats provide feeding sites for pelagic birds. Some resident species including the Bald Eagle, Black Oystercatcher and Peregrine Falcon. The Townsend's Warbler is a high-density breeder on Haida Gwaii and Vancouver Island. The Western Flycatcher is a high-density breeder on Haida Gwaii. This ecoprovince supports a wide variety of fish, the highest diversity of birds, a wide variety of fish, 65 % of all bird species, 70 % of the bird species in British Columbia from purely oceanic species, is affected by winter rains and heavy fall, has only protected waters, 60 % of the species contains the Chilcotin, the only breeding location of Forster. This ecoprovince was covered by the last Cordilleran Ice Sheet, logging is the most extensive industry is also in British Columbia. A large alpine tundra zone of large icefields dominates the landscape above the forests. Large icefields exposed granite, granite remain along the Continental. Glaciers and Many large remnant icefields remain on the summits on the summits. The Stikine River is the sole access corridor, the sole access corridor through this ecosection through this ecosection. This ecosection extends the length of the Queen Charlotte Islands into Alaska across the border, is affected heavily by moist Pacific air by moist Pacific air, is underlain in a rainshadow of easterly by sedimentary rocks and basaltic lava, is drained by short streams to the west. This ecosection has a mild climate, a mild climate with low snow depths with low snow depths, lies at the north end of the ecoregion in the southwest portion of the ecoregion, has increased snowfall, snowfall is divided in two by the Fraser River, is traversed by the Chilcotin Highway in the south. This ecosection is dissected by North Thompson by the lower Clearwater, is represented on the western side by three large protected areas, is bounded in the north by the West Arm of Kootenay Lake, contains no large communities, only small settlements in Clark Fork and British Columbia as Kitchener and Yahk, represents this ecoregion in British Columbia. This ecosection receives considerable moisture from northwesterly Pacific storms. Mountain Hemlock forests and Wet Coastal Western Hemlock occur in Alaska on the lower windward slopes. British Columbia Great Glacier Park is located west of the Stikine River, located west of the Stikine River above the confluence of the Iskut River above the confluence of the Iskut River. The Unuk River dissects several smaller ones and these mountains. The Stewart Highway connects Hyder and Stewart through the Bear River valley with the Cassiar Highway. Mining has occurred in the Bear River valley in the past. Lava Forks parks and Craig Headwaters are located while Ksi Xts's atKw Conservancy along the British Columbia boundary. Glaciers moving west from the Pacific from the adjacent Pacific, built up in these mountains along the crest of these mountains, is dissected in part, gouged out the fjords, sounds and inlets, the fjords, sounds and inlets. Glaciers stopped at about the upper limit of this ecosection, moved west down this south down valley, this southward down valley into northwestern Montana from the Pacific, scoured the islands, glacial debris coalesced in this ecosection, left behind many eskers, meltwater channels and drumlins. Glaciers is drained by streams, override this area is located on the leeward side of the Purcell, overrode the uplands, the Columbia River valley. The western boundary of the ecosection lies adjacent to Queen Charlotte Sound and Hecate Strait. Moist Pacific air moves bringing intense precipitation to adjacent mountains and the windward slopes, creates here alternatively wetter west and many rainshadows. The Inside Passage Ferry Route passes from Cape Caution through the length of this ecosection. These mountains were overridden by ice by ice, are eroded largely granitic rock provide protection from cold Arctic air from also trap and Pacific storms, comprise serrate peaks, ridges and summits. These mountains are characteristically coastal granites, metamorphic rocks, the Nelson Range by deep layers of sedimentary limestone by deep layers of sedimentary limestone, flanking margins have been eroded by past glaciation, are folded largely sedimentary rocks have a core of composite batholitic granitic rock, the Swannell. These mountains include a variety of rocks. Many streams drain this ecosection, Nanika drain and the Morice into the Nass River into the Bulkley River, dissect this area are mainly glacier-fed streams. Lower elevation are mild Coastal Western Hemlock, this forest type. Alpine is very common rage, many glaciers and usually barren rock in the western margin on mountain summits and the higher ridges, is limited to the higher ridges. Small scale agriculture occurs in the Bella Coola valley. Wet Pacific air rises over these mountain over these mountain, meets the colder Arctic air. The Inside Passage ferry route passes between the east side of Princess Royal Island. These islands were glaciated by a local ice cap, faulted sedimentary rocks with some volcanic stocks, have very dry mild climates. The movement of glacial ice has left deep drift deposits and drumlin-like forms. Naden Harbour and Masset Inlet separate the uplands into three units. Arctic air invades seldom this area, this area for brief periods for brief periods, arrive in the Rocky Mountain Trench and Alberta via the Athabasca Valley. The community of Port Clements was built at the south end of Masset Inlet. The Queen Charlotte section of the Yellowhead Highway connects Masset and Haida with Queen Charlotte City and Port Clements. Livestock grazing has been carried out on a very small scale. Granitic rocks is the typical granitic rocks of the Coast Mountains are predominantly granitic in origin. The western margin is dissected highly by short fjords and channels by sounds. This plateau is dissected greatly by Skidegate by Masset. Skidegate and Queen Charlotte City are the main communities. Ice flowed down over the flat lands of the Nass Basin, built up over these mountains, flowing westward from Vancouver Island from the Coast Mountains, moved the down higher mountains to the also adjacent Purcell Trench and the north. The Kitimat-Cassiar Highway passes through on the west side. Cold Arctic air invades occasionally this area, this area from the Fraser Basin from the north, arrive in B.C. from over the Coast Mountains, lies often against the northern perimeter, build up along the western margin. Cold Arctic air is common in the winter, is stalled often outside this ecosection, reached seldom this area except via the Southern Rocky Mountain Trench and the Purcell Trench, stalls often in Montana and Alberta along the eastern margin, contains four ecosections. Cold Arctic air intrudes seldom into this ecosection, override this ecosection, the Alsek valley, extreme cold temperatures and high winds. Lower slopes and Valleys have wet Coastal Western Hemlock forests, the upper slopes. The Yellowhead Highway passes through along the Skeena River. The Canadian National Railway is located above Skeena Rivers and the Bulkley. The mountain summits have still glaciers and small icefields are dominated by alpine tundra. The southern east-facing valleys have wet Coastal Western Hemlock forests on the upper slopes with wet Mountain Hemlock subalpine forests, are dominated by Black Spruce forests and Boreal White by wet Coastal Western Hemlock forests, are filled with many lakes, trembling aspen. The northern portion of this ecosection has cold Interior Cedar. The source of lavas forming the recent lava with the Nass Basin along the northern border. This ecoregion includes the coastal islands, fjords southeast and channels, a small portion and several shield volcanoes is affected by heavy rainfall events by winter rains and heavy fall, extends into the Idaho Panhandle and Washington from Desolation Sound, is often embedded in spring and winter under Cold Arctic air. This ecoregion contains ten ecosections, five ecosections, three ecosections, five ecosections has own unique climate has been subdivided into two ecosections. Otherwise winter rain arrives in the west from the Northeast Pacific. Cold Arctic build up over the interior of the province. The glaciers deposited a shelf of material at thus trapping at the fjord outlets, built up over the crest of this ecosection, moved generally eastward from the Coast Mountains, persist especially in the north in the north. The glaciers rounded the mountains, the valleys. Pacific air moving over the Vancouver Island Mountains over Strait and Queen Charlotte Sound, passes often over this ecosection, move down over this area from Hecate Strait, arrives the off Pacific Ocean from the west over this area. Pacific air spills over these mountains, stall along the western margin along the western margin, coupled with surface heating of the many streams, circulating over the Gulf of Alaska. Upper slopes have moist mild Mountain Hemlock subalpine forests. Communities and Several towns have been established here as Pemberton as Whistler. Pemberton Valley is the most productive agricultural area in Mountains Ecoprovince and the entire Coast. Freshwater mixes with marine waters with marine waters, lies usually on top of deeper brackish water. A Only small shoulder of these mountains enters into British Columbia, extends from the international boundary, is bounded by the Puget Lowlands on the west side. Wilderness areas and the parks have been established here in this ecosection, represent this ecosection. Liumchen Ecological Reserve and Cultus Lake Park are two protected areas in British Columbia. The summer months bring clear skies to the southern portion. These fjord-lakes were probably true fjords before the Fraser Lowland. Periods of Arctic air outbreaks outflow winds bring cold weather and extreme winds, those valleys. The alpine zone is limited to a few mountaintops, occurs as a gently rolling landscape, is relatively dry with lodgepole and western larch with Douglas-fir. Mountain Hemlock Zone and The subalpine has a mixed climax of mountain hemlock. Higher elevations becomes discontinuous in rough fescue grasslands in the Fording River valley, dominated by Douglas-fir, is dominated with bluebunch wheatgrass understories by Douglas-fir, Ranges ultimately Engelmann Spruce and Montane Spruce. Higher elevations is mixed with lush herbaceous meadows. Understories are dominated as blueberries by woody shrubs, are generally shrub-dominated with dull Oregon-grape and salal, are vegetated sparsely with ground lichens. The Vancouver Inland Island Highway terminates at Port Hardy, passes while the Gold River Highway through Nimpkish and Woss. Many communities are rare Creston and Nelson, Valemount and McBride. Moist Pacific air moves over the mountains, override easily this strait, heavy precipitation, rough seas and strong winds spills over into this area, invades this area through numerous low mountain. Moist Pacific air stalls often over these mountains over these mountains, rising over these highlands. Wet Mountain Hemlock subalpine forests occur on the upper slopes. Large ice sheet impacted heavily the many fjords, sounds and channels. Pacific storms bring storms and intense rainfall to these mountains. Warm summer temperatures mixing with the cold Pacific water. Very wet Coastal Western Hemlock forests dominate the islands, valleys and lowlands. Very wet Mountain Hemlock subalpine forests are restricted along the eastern margin to the very few higher summits. The Port Alberni-Pacific Rim Highway connects the Long Beach area with Port Alberni. Outer Pacific Shelf Marine Ecoregion is a narrow continental shelf area, a triangle-shaped area, 90 km. Early winter and late autumn is shifted offshore by this southward and the Davidson Current. Commercial fishing is the main resource use, the main resource use. The islets are very important for nesting birds for colony. The marine waters are primarily shallow basin with adjacent deep fjords. Washington is a also large basin surrounding Priest Lake. The majority of the human population occurs in the environment and this ecoprovince. Agriculture occurs along the southern-most lowland area, is based largely except in the extreme southwest on forage crops and grazing. Logging is the main resource industry, the main resource industry, the main resource industry has been pushing further via the major river valleys into this ecosection, has occurred upslope on agriculture and the productive forest land from the reservoir. The southern parts of this ecoprovince have the greatest annual amounts of sunshine in British Columbia. Temperatures are moderated by marine waters by inshore and the adjacent Pacific Ocean. Clay material and Fine silt settled out over those areas. Some sites deposited gravels and coarse sand have meadowrue and horsetails. East of these mountains are area and the Nanaimo Lowlands with undulating topography and low relief. Oceanography is is rich a variety of foods that many different diving birds at depths. Inter-island channels sounds provide a variety of habitat quality. Vegetation is dominated by the Western Hemlock Zone, is relatively diverse in the Interior Douglas-fir Zone. Coastal Douglas-fir occurs along Puget Trough and Gulf Islands along the Nanaimo Lowlands. Addition occurs within the Montane Spruce Zone within the deeply entrenched portion of the Fraser River, is underlain by extensive lava beds, was build in the upper Finlay River watershed to access minerals, have been purchased for the benefit of wildlife conservation by Nature Conservancy Canada. Addition invades this area via the Rocky Mountain Trench in spring and the winter, shows designated place type. The common trees include grand fir, western flowering dogwood and western redcedar. Soils have often better moisture retention and clay accumulation, dark surfaces horizons, clay layers are less weathered with turfy topsoils than in more northern areas and the higher elevation. The Fraser Valley are altered now extensively by urban development and agriculture. Special interest are shootingstar rocky sites, sphagnum bogs with understories with Garry oak forests and arbutus. This unique habitat has suffered from urban development, exists throughout the plateau. The subalpine vegetation belt is dominated by dense forests of mountain hemlock. Grizzly Bears have been extirpated from the Lower Mainland of British Columbia. The wetlands of the Fraser River delta make up the largest single unit of wetland habitat in British Columbia. The delta supports wintering largest population of raptors in Canada. The Gulf Islands support the only breeding colonies of Double-crested Cormorants. Three species of passerines breed only in the Georgia Depression Ecoprovince. The Eurasian Skylark introduced to the Crested Myna and the Victoria area. The crest of the Vancouver Island Ranges to the Nanaimo Lowlands, includes Port Alberni and the Great Central Lake Basin. Several large rivers including this ecosection meander along the valley floor, flow often for long distances. Winter storms result from cold Arctic air from cold Arctic air. Wet Alpine vegetation occurs on the summits of the only highest mountains. Port Alberni is the largest population centre in smaller communities in this ecosection. Pacific systems arrive via the Strait of Juan via the Strait of Juan. The Nanaimo Lowland Ecosection includes a large population. The Gulf Islands National Park is located at numerous small locations. The marine environment bring increased moisture to these portions of the ecosection. This lowland has been formed primarily by deposition of great age, is a triangular shaped area is dominated by Sub-Boreal Spruce forests. The Fraser Delta is building still seaward, every year. Vegetation zonation varies with distance with elevation, reflects the rise, the moister conditions, the moister conditions from the Chilcotin River in elevation. The Trans Canada Highway is located from Horseshoe Bay, passes through Sicamous. Boundary Bay wildlife management areas and Sturgeon Bank are the largest protected areas. The Sunshine Coast Highway is located from Langdale along the western edge of the ecosection. The east side of the coastal mountains ranges on the east side of the coastal mountains. The northern portion of the Fraser Plateau surface exhibits little rainshadow effect. The southern portion of the Fraser Plateau marks defined better rainshadow region. The Chilcotin are flat large areas of undissected upland Ranges lie. Lower Chilcotin River and The Fraser River have cut below the plateau surface, dominates this lowland. Those flows have steep escarpments along creeks and the rivers. The vicinity of Anahim Lake rise above the plateau surface. West Road river area and the Whitesail Lake isolated mountains of erosion-resistant granite. Tahtsa ranges and The Bulkley are outliers of the Kitimat Ranges. Moisture does enter the area arrives via the easterly, enter usually this ecosection. Other tree species are trembling aspen, Rocky Mountain juniper and paper birch. Floodplains are dominated by black cottonwood, have black cottonwood, red-osier dogwood. The subalpine vegetation zone is very limited Engelmann, fir has open to closed Engelmann, is dominated here by Engelmann and subalpine fir. Several large populations of California bighorn sheep occur in alpine areas and the Fraser River badlands. The only breeding colony of the American White Pelican is found in the Chilcotin Plateau. The Cordilleran Ice Sheet covered once the entire ecosection. The higher peaks present jagged profile and a serrate, jagged profile and a serrate. Many small lakes occur on the northernmost segment of Morice Lake on the upland, contribute to the summer precipitation. Access is limited in upper Zymoetz watersheds and the Telkwa to resource extraction roads. A majority of the ecosection lies within the North Tweedsmuir Park. A rainshadow effect is enhanced on the eastern perimeter. Valleys and the mid-elevations slopes occurs the Montane Spruce zone with predominantly Lodgepole Pine forest. Dry Douglas-fir forests occur in Atnarko river valleys and the Klinaklini. The Alpine Tundra Zone occurs throughout on the mountain summits. The southern portion of Tweedsmuir Park occurs as a portion of the Dzawadi in the northwest portion of this ecosection. Farming and Extensive development occurs from Vanderhoof along the Yellowhead Highway corridor of the Bulkley. Francois Lake Park is the largest protected area in other protected areas in this ecosection. Douglas-fir forests are common the dry Montane Spruce types in the drier areas than in southern ecoprovinces. The Cariboo Highway provides through this ecosection for the major flow of traffic. Cordilleran ice moved south-westward across this area across this area. Winter temperatures are often very cold in the province. Douglas-fir zones forests occur adjacent to the Chilcotin River. The northern potion of Big Creek Park is the largest park in this ecosection. Subsequent down-cutting has left above the entire length of the ecosection above the Fraser River. Glaciation cordilleran ice moved northeasterly across this area. Resource extraction roads provide the main access for Indian Reserves and the small ranches. Cordilleran glaciers flowed generally northward across this ecosection. North and the west include Omineca mountains and the southern Skeena. West and the north include Omineca Mountains and the southern Skeena while the mountains, is drained by the Iskut, increase gradually in height southward. The Interior Plateau portion is a broad area of low relief. Omineca mountains and The southern Skeena are a complex series of mountain. The Peace River dissects those mountains with a deep gorge. The upper surface of the continental ice-sheet lay once 1800 m. The predominance of fine-textured landforms results in diverse understories and moist soils. Subalpine soils have a greater surface accumulation and a medium texture. An extensive alpine tundra belt occurs at higher elevations of the northern mountains. Two passerine species of note are Magnolia Warbler and the Rusty Blackbird. Black Spruce zone and The Boreal White occurs in cold Arctic air and the valley bottoms in the outer eastern valleys, occur in the Ospika valley in the Ospika valley. These ranges meeting coalescing southwestward along the eastern margin with the Laurentide ice, follow major faults. The John Hart Highway linking the Peace River, the Peace River with the interior of the province with the interior of the province, lies along the eastern boundary. The British Columbia Railway crosses these foothills, these mountains, these foothills, these mountains in two places in two places. Coal mining occurs along the eastern boundary at Quintette mountains and Bull Moose. The Peace Reach of the Williston Lake divides this ecosection, this ecosection into two terrestrial units into two terrestrial units. The south side of the Williston Reservoir is drained by Scott by the lower Clearwater River. The damming of the Peace River has flooded the Peace canyon, a barrier, the Peace canyon, a barrier. Placer mining has occurred in the Peace River canyon in the Peace River canyon. The two western thirds of the Graham-Laurier Park have been established in the northeastern portion of this ecosection, has been established in the northeastern portion of this ecosection. Hook Lake is overridden often Arctic air, Arctic air bring heavy precipitation, heavy precipitation as snow and rain as snow and rain. Sub-Boreal Spruce forests dominate lower slopes and the valley bottoms, lower slopes and the valley bottoms, lower mountain slopes and the valley bottoms. The Peace Reach of the Williston Lake reservoir divides this ecosection, this ecosection in two in two. As well low pressure systems push moist air, moist air. The dam was constructed near the eastern boundary near the eastern boundary. Monkman Lake is the only lake of any size, the only lake of any size. Elsewhere Sub-Boreal Spruce forests occur in lower slopes and most valleys in lower slopes and most valleys. Glacial ice moved southward into this valley over the Hart and this plateau. The winter dens settle over this area for long periods. Mackenzie is located in the far north extent in this ecosection, occurs at the southeastern boundary. The southern half of this ecosection has a milder climate. The large valley bottoms are dominated by Sub-Boreal Spruce forests, left deep deposits in the valley bottoms. Williston Lake reservoir occupies about 40 % of this ecosection. Ridges and The lower mountain peaks are rounded at the peaks at higher elevations. Germansen Landing and Manson Creek have been established on upper Nation rivers and the Omineca in the very southeastern portion of the ecosection. The southern boundary is the Canada-USA border and the 49th parallel, the however Ecoprovince. Forest-based industries are important recreation element and tourism. Extensive reservoir impoundments have occurred on Kootenay rivers and the Columbia throughout this Ecoprovince. Surface water is in the adjacent Rocky Mountains a minor contributor to precipitation. A strong rain shadow effect exists leeward of the Columbia Mountains. The highlands represent a transition between mountains and plateaus. Lower summits were covered by glacial ice, is only at elevations in the southern ranges. The profiles of many valleys have been modified strongly by glaciation. The Ponderosa Pine Zone occurs in the Southern Rocky Mountain Trench. The Montane Spruce Zone occurs in lower slopes and the valleys. Special note are the extensive marshes, the extensive wetland complexes along the upper reaches of the Columbia River. British Columbia bighorn sheep are common in the Southern Park. Black bears and Grizzly are common throughout the area. The extensive waterbodies are important migration staging areas for Canada Geese for Tundra Swans. This Ecoregion contains three ecosections, three ecosections in British Columbia in British Columbia, is represented in British Columbia by only one Ecosection. Sub-Boreal Spruce forest occur throughout lower mountain slopes and the wide valleys. The Barkerville Highway connects Wells and Barkerville to Quesnel. The western third of Bowron Lake Park is the largest protected area in this ecosection. Summits and Most ridges have been rounded as glacier activity. Vavenby and Blue River are the only communities in this ecosection. The Canadian National Railway and The Yellowhead South Highway follow the North Thompson River, Clearwater. The south end of these highlands are several volcanic landforms. The western portion of Wells Gray Park is the Cariboo River Park and the largest protected area. Glacier moved westward from Rocky Mountains and the adjacent Cariboo Ranges. The lower Shuswap rivers and The Eagle drain this ecosection into Shuswap Lake. The northern half of Kakwa Lake Park is located in British Columbia. This block of mountains intercepts flowing eastward moist Pacific air. Such moisture brings rain and high humidity in the winter in deep snow and the summer. Mining and Extensive mineral exploration was conducted from the early 1800 throughout this ecosection. Occasionally large Arctic air systems engulf the entire ecosection for extended periods. Mica Creek Highway follows the eastern shore of Revelstoke Lake. St. Mary lakes and Moyie are the two largest lakes in this ecosection. The ice damming of the Clark Fork created a large body of water, Lake Missoula. Akamina-Kishinena Park is the only protected area in British Columbia. High winds blow through the especially Crowsnest Pass through the low passes, is exposed from Alberta to cold Arctic air. The upper Elk Valley Montane Spruce forests occur in the valley bottom. The Crowsnest Highway passes through the southern portion, crosses the southern area in British Columbia. TThis ecosection extends southward into Montana, does occur not in Alberta. Large mountain glaciers remain along the crest of the Purcell Mountains on the highest mountains. The Columbia River valley receives the highest summer temperatures in the entire ecoprovince. S.A. border has been impacted severely from the Trail smelter by acid rain. British Columbia cities include Castlegar, Rossland and Trail. This Ecosection has high precipitation as moisture, is the northern-most portion of the Southern Rocky Mountain Trench in protected areas. Donald Station is the only settlement in this ecosection. The southern area of this ecosection has been flooded in Libby by a dam. Surface heating moves the clouds, the clouds from this valley from this valley. Highway 95A connects Kimberly with Tata Creek and Cranbrook. Deep glacial lacustrine deposits occur along the banks of the southern area. The most significant water body is the Columbia wetlands. Montane Spruce forests occur on the western side on the higher benches. The Columbia Wetlands Wildlife Management Area is the largest protected area. Cold occur on the adjacent benchlands above the Fraser River. The lower Bush have been flooded by the Kinbasket Lake reservoir. 3954 meters epitomizes the bold front of the Park Ranges. The upper Fraser River valley contains cold dry Sub-Boreal Spruce forests. Mount Robson is the largest representative Provincial Park while Swift Current River while Small River. Moist Interior Douglas-fir forests enters only in southern-most portion of the Upper Kootenay valley. The Alsek River valley is rugged mountain summits and mainly upper slopes, glaciers and icefields. Mount Fairweather is the tallest mountain in British Columbia. The mean annual temperature is approximately 9 &176; C with a summer mean of 15 &176; C. Wet sites support Douglas-fir, western red cedar and western hemlock. Intensive agriculture occurs on the valley bottoms of the Fraser River valley. Forestry operations occur along the mountains on higher slopes. Coastal salt marshes are important wildlife habitat on adjacent Boundary Bay and the Fraser River delta. Suburban development and Urban continues in the Vancouver area. This table shows also the percentage change in the population. Two exceptions are in Nova Scotia in Labrador and Newfoundland.