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Matanuska-Susitna Borough, Alaska
Matanuska-Susitna Borough (often referred to as the Mat-Su Borough) is a borough located in the U.S. state of Alaska. Its borough seat is Palmer, and the largest community is the census-designated place of Knik-Fairview. As of the 2020 census, the borough's population was 107,081. The borough is part of the Anchorage Metropolitan Statistical Area, along with the municipality of Anchorage on its south. The Mat-Su Borough is so designated because it contains the entire Matanuska and Susitna Rivers. They empty into Cook Inlet, which is the southern border of the Mat-Su Borough. It is one of the few agricultural areas of Alaska. Geography The borough seat is Palmer, and the largest community is the census-designated place of Knik-Fairview, Alaska. As of the 2020 census, the population was 107,081, up from 88,995 in 2010. It is the fastest growing subdivision in Alaska. According to the United States Census Bureau, the borough has a total area of , of which is land an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ruth Glacier
Ruth Glacier is a glacier in Denali National Park and Preserve in the U.S. state of Alaska. Its upper reaches are approximately 3 vertical miles below the summit of Denali. The glacier's "Great Gorge" is one mile wide, and drops almost over , with crevasses along the surface. Above the surface on both sides are granite cliffs. From the top of the cliffs to the bottom of the glacier is a height exceeding that of the Grand Canyon. Ruth Glacier moves at a rate of per day and was measured to be thick in 1983. Surrounding the Ruth Gorge are many mountains of the Alaska Range, including the Mooses Tooth, Mount Dickey, Mount Bradley, Mount Wake, Mount Johnson, and London Tower with highly technical ice and rock climbs on their faces. According to the National Park Service (NPS), several air taxi operators are authorized to land aircraft on Ruth Glacier in Denali National Park. History In 1903, the glacier was explored by physician and ethnographer Frederick Cook, who named it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denali Borough, Alaska
The Denali Borough is a borough located in the U.S. state of Alaska. As of the 2020 census the population of the borough was 1,619, down from 1,826 in 2010. The borough seat and most populated community is Healy, and its only incorporated place is Anderson. The borough was incorporated in December 1990. The area was previously a part of the Unorganized Borough, with the Upper Railbelt School District serving as the region's rural education attendance area (which was replaced by a school district under the borough's umbrella upon incorporation). The earliest inhabitants were nomadic native Alaskans. A mining camp was established near Healy prior to 1902, and construction of the Alaska Railroad brought additional settlers to the area in the early 1920s. Clear Space Force Station, the Usibelli Coal Mine and tourism at the Denali National Park and Preserve have brought growth and development. Geography The borough has a total area of , of which is land and (0.2%) is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Population Density
Population density (in agriculture: Standing stock (other), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical term.Matt RosenberPopulation Density Geography.about.com. March 2, 2011. Retrieved on December 10, 2011. Biological population densities Population density is population divided by total land area, sometimes including seas and oceans, as appropriate. Low densities may cause an extinction vortex and further reduce fertility. This is called the Allee effect after the scientist who identified it. Examples of the causes of reduced fertility in low population densities are: * Increased problems with locating sexual mates * Increased inbreeding Human densities Population density is the number of people per unit of area, usually transcribed as "per square kilometre" or square mile, and which may include or exclude, for example, ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Census
A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of statistics. This term is used mostly in connection with Population and housing censuses by country, national population and housing censuses; other common censuses include Census of agriculture, censuses of agriculture, traditional culture, business, supplies, and traffic censuses. The United Nations (UN) defines the essential features of population and housing censuses as "individual enumeration, universality within a defined territory, simultaneity and defined periodicity", and recommends that population censuses be taken at least every ten years. UN recommendations also cover census topics to be collected, official definitions, classifications, and other useful information to coordinate international practices. The United Nations, UN's Food ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Clark Wilderness
Lake Clark National Park and Preserve is a United States national park and preserve in southwest Alaska, about southwest of Anchorage. The park was first proclaimed a national monument in 1978, then established as a national park and preserve in 1980 by the Alaska National Interest Lands Conservation Act. The park includes many streams and lakes vital to the Bristol Bay salmon fishery, including its namesake Lake Clark. A wide variety of recreational activities may be pursued in the park and preserve year-round. The park protects rainforests along the coastline of Cook Inlet, alpine tundra, glaciers, glacial lakes, major salmon-bearing rivers, and two volcanoes, Mount Redoubt and Mount Iliamna. Mount Redoubt is active, erupting in 1989 and 2009. The wide variety of ecosystems in the park mean that virtually all major Alaskan animals, terrestrial and marine, may be seen in and around the park. Salmon, particularly sockeye salmon, play a major role in the ecosystem and the local e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Clark National Park And Preserve
Lake Clark National Park and Preserve is a List of national parks of the United States, United States national park and National preserve, preserve in southwest Alaska, about southwest of Anchorage, Alaska, Anchorage. The park was first proclaimed a national monument (United States), national monument in 1978, then established as a national park and preserve in 1980 by the Alaska National Interest Lands Conservation Act. The park includes many streams and lakes vital to the Bristol Bay salmon fishery, including its namesake Lake Clark (Alaska), Lake Clark. A wide variety of recreational activities may be pursued in the park and preserve year-round. The park protects rainforests along the coastline of Cook Inlet, alpine tundra, glaciers, glacial lakes, major salmon-bearing rivers, and two volcanoes, Mount Redoubt and Mount Iliamna. Mount Redoubt is active, erupting in 1989 and 2009. The wide variety of ecosystems in the park mean that virtually all major Alaskan animals, terrestri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denali Wilderness
Denali National Park and Preserve, formerly known as Mount McKinley National Park, is a United States national park and preserve located in Interior Alaska, centered on Denali (federally designated as Mount McKinley), the highest mountain in North America. The park and contiguous preserve encompass which is larger than the state of New Hampshire. On December 2, 1980, Denali Wilderness was established within the park. Denali's landscape is a mix of forest at the lowest elevations, including deciduous taiga, with tundra at middle elevations, and glaciers, snow, and bare rock at the highest elevations. The longest glacier is Kahiltna Glacier. Wintertime activities include dog sledding, cross-country skiing, and snowmobiling. The park received 594,660 recreational visitors in 2018. History Prehistory and protohistory Human habitation in the Denali Region extends to more than 11,000 years before the present, with documented sites just outside park boundaries dated to more than 8, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denali National Park And Preserve
Denali National Park and Preserve, formerly known as Mount McKinley National Park, is a List of national parks of the United States, United States national park and National preserve, preserve located in Interior Alaska, centered on Denali (federally designated as Mount McKinley), the highest mountain in North America. The park and contiguous preserve encompass which is larger than the state of New Hampshire. On December 2, 1980, Denali Wilderness was established within the park. Denali's landscape is a mix of forest at the lowest elevations, including deciduous taiga, with tundra at middle elevations, and glaciers, snow, and bare rock at the highest elevations. The longest glacier is Kahiltna Glacier. Wintertime activities include dog sledding, cross-country skiing, and Snowmobile, snowmobiling. The park received 594,660 recreational visitors in 2018. History Prehistory and protohistory Human habitation in the Denali Region extends to more than 11,000 years before the present ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chugach National Forest
The Chugach National Forest is a United States National Forest in south central Alaska. Covering portions of Prince William Sound, the Kenai Peninsula and the Copper River (Alaska), Copper River Delta, it was formed in 1907 from part of a larger forest reserve. The Chugach includes extensive shorelines, glaciers, forests and rivers, much of which is untouched by roads or trails. It hosts numerous bird, mammal and marine species, including extensive shorebird habitat and a bald eagle population larger than the contiguous 48 states combined. Human industry in the forest includes extensive tourism and some mining and oil and gas operations. History The area that is now Chugach was settled by the Alutiiq thousands of years ago. It was first visited by Europeans in the mid-1700s and soon settled by Russian fur traders, who trapped the native sea otters. In 1867, the US Alaska purchase, purchased Alaska from Russia and Alaska gold rush (other), gold was found in 1888. In 1907 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bethel Census Area, Alaska
Bethel Census Area is a List of boroughs and census areas in Alaska, census area in the U.S. state of Alaska. As of the 2020 United States census, 2020 census, the population is 18,666, up from 17,013 in 2010. It is part of the unorganized borough and therefore has no borough seat. Its largest community is the city of Bethel, Alaska, Bethel, which is also the largest city in the unorganized borough. Geography According to the United States Census Bureau, the census area has an area of , of which is land and (10.8%) is water. Its territory includes the large Nunivak Island in the Bering Sea. Its land area is comparable to that of Kentucky, which has an area of slightly under forty thousand square miles. Adjacent boroughs and census areas * Kusilvak Census Area, Alaska - northwest * Yukon-Koyukuk Census Area, Alaska - north * Matanuska-Susitna Borough, Alaska - east * Kenai Peninsula Borough, Alaska - southeast * Lake and Peninsula Borough, Alaska - south * Dillingham Census A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kenai Peninsula Borough, Alaska
Kenai Peninsula Borough is a borough of the U.S. state of Alaska. As of the 2020 census, the population was 58,799, up from 55,400 in 2010. The borough seat is Soldotna, the largest city is Kenai, and the most populated community is the census-designated place of Kalifornsky. The borough includes most of the Kenai Peninsula and a large area of the mainland of Alaska on the opposite side of Cook Inlet. Geography The borough has a total area of , of which is land and (3.4%) is water. Adjacent boroughs and census areas * Bethel Census Area, Alaska - northwest * Matanuska-Susitna Borough, Alaska - north * Municipality of Anchorage, Alaska - north * Chugach Census Area, Alaska - east * Lake and Peninsula Borough, Alaska - west * Kodiak Island Borough, Alaska - south National protected areas * Alaska Maritime National Wildlife Refuge (part of Gulf of Alaska unit) ** Chiswell Islands ** Tuxedni Wilderness * Chugach National Forest (part) * Katmai National Park and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
