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Chyolomdzha
The Chyolomdzha (russian: Чёломджа; eve, Чаламдя) is a river in Magadan Oblast, Russia. It has a length of and a drainage basin of . The Chyolomdzha is the longest tributary of the Taui (Kava) and flows across an uninhabited area, part of the Magadan Nature Reserve. The name of the river originated in the Even language.Leontyev V.V. , Novikova K.A. ''Toponymic dictionary of the North-East of the USSR'', USSR Academy of Sciences. Magadan, 1989 - p. 409 - ISBN 5-7581-0044-7 Course The source of the Chyolomdzha is in the Upper Kolyma Highlands. The river heads in a roughly southern direction, flowing fast across mountainous terrain, then it turns to the southeast descending into a floodplain where it slows down and splits into multiple sleeves, while the channels form meanders. Finally the Chyolomdzha joins the left bank of the Taui in the wide Kava-Taui Plain, from its mouth in the Sea of Okhotsk. Google Earth The river freezes yearly between early October an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taui
The Taui ( rus, Тауй), also known as Kava ( rus, Кава) part of its course, is a river in Khabarovsk Krai and Magadan Oblast, Russian Far East. It has a drainage basin of . The river is a spawning ground for salmon and is part of the Magadan Nature Reserve. Its last stretch is navigable. Course The Taui river, as the Kava, is formed at an elevation of at the confluence of rivers Rasava and Lozovaya flowing from the Kheidzhan Range, Upper Kolyma Highlands. The Taui flows first southeastwards and then roughly eastwards along the Kava-Taui Plain (Кава-Тауйская равнина), a wide floodplain. In its last stretch it enters an area of wetlands. Finally it flows into the Amakhton Bay, part of the Taui Bay of the Sea of Okhotsk. Its mouth lies west of the Arman lagoon and just southwest of the mouth of the Yana. Google Earth The river freezes before mid October and stays frozen until mid May. The Kheidzhan Range separates the Taui basin from the Inya ba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Rivers Of Russia
Russia can be divided into a European and an Asian part. The dividing line is generally considered to be the Ural Mountains. The European part is drained into the Arctic Ocean, Baltic Sea, Black Sea, and Caspian Sea. The Asian part is drained into the Arctic Ocean and the Pacific Ocean. Notable rivers of Russia in Europe are Volga (which is the longest river in Europe), Pechora, Don, Kama, Oka and the Northern Dvina, while several other rivers originate in Russia but flow into other countries, such as the Dnieper and the Western Dvina. In Asia, important rivers are the Ob, the Irtysh, the Yenisei, the Angara, the Lena, the Amur, the Yana, the Indigirka, and the Kolyma. In the list below, the rivers are grouped by the seas or oceans into which they flow. Rivers that flow into other rivers are ordered by the proximity of their point of confluence to the mouth of the main river, i.e., the lower in the list, the more upstream. There is an alphabetical list of rivers at the end of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Magadan Nature Reserve
Magadan Nature Reserve (russian: Магаданский заповедник) (also Magadansky) is a Russian zapovednik (strict nature reserve) located in four different sectors across the Magadan region of the Russian Far East, including the northern shore of the Sea of Okhotsk. All sites are far away from each other, have different climates, topography, flora and fauna, and no settlements or transportation routes. On the streams of the territory are some of the largest undisturbed spawning sites of the chum and coho salmon. One area, the Yam Islands, is home to colonies of sea birds, with a total of up to 6 million individuals. These include Auklets-crumbs, guillemot, spectacled guillemots, lund, and the horned puffin. The reserve is situated in the Olsky District of Magadan Oblast. Recently, the reserve has experimented with very limited cruise ship visits (under 200 passengers) to one of the islands, and plans are being studied for ways to increase educational eco-touris ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Magadan Oblast
Magadan Oblast ( rus, Магаданская область, r=Magadanskaya oblast, p=məgɐˈdanskəjə ˈobləsʲtʲ) is a federal subject (an oblast) of Russia. It is geographically located in the Far East region of the country, and is administratively part of the Far Eastern Federal District. Magadan Oblast has a population of 156,996 ( 2010 Census), making it the least populated oblast and the third-least populated federal subject in Russia. Magadan is the largest city and the capital of Magadan Oblast. The majority of the Oblast's inhabitants live in the city. The coastline has a less severe climate than the interiors, although both are very cold for its latitude. It borders Chukotka Autonomous Okrug in the north, Kamchatka Krai in the east, Khabarovsk Krai in the south and the Sakha Republic in the west. The economy is primarily based on mining, particularly gold, silver and other non-ferrous metals. History Magadan Oblast was established on December 3, 1953Decree of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chum Salmon
The chum salmon (''Oncorhynchus keta''), also known as dog salmon or keta salmon, is a species of anadromous salmonid fish from the genus '' Oncorhynchus'' (Pacific salmon) native to the coastal rivers of the North Pacific and the Beringian Arctic, and is often marketed under the trade name silverbrite salmon in North America. The English name "chum salmon" comes from the Chinook Jargon term ''tzum'', meaning "spotted" or "marked"; while ''keta'' in the scientific name comes from Russian, which in turn comes from the Evenki language of Eastern Siberia. In Japan, chum salmon is also known as the , or simply , while historically it was known in ''kun'yomi'' as up until the Meiji period. In Greater China, it is known academically as the " hook-snout salmon" ( zh, 钩吻鲑), but is more often called the ''damaha'' fish (), which is borrowed from ''dawa ịmaχa'', the Nanai name of the fish used by the Hezhe minority in northern Northeast China. Description The body ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endangered Species
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and invasive species. The International Union for Conservation of Nature (IUCN) Red List lists the global conservation status of many species, and various other agencies assess the status of species within particular areas. Many nations have laws that protect conservation-reliant species which, for example, forbid hunting, restrict land development, or create protected areas. Some endangered species are the target of extensive conservation efforts such as captive breeding and habitat restoration. Human activity is a significant cause in causing some species to become endangered. Conservation status The conservation status of a species indicates the likelihood that it will become extinct. Multiple factors are considered when assessing the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blakiston's Fish Owl
Blakiston's fish owl (''Bubo blakistoni''), the largest living species of owl, is a fish owl, a sub-group of eagle-owls which specialize in hunting in riparian areas. It is native to China, Japan, and the Russian Far East. This species is a part of the family known as typical owls (Strigidae), which contains most species of owl. Blakiston's fish owl and three related species were previously placed in the genus ''Ketupa''; however, mtDNA cytochrome ''b'' sequence data is equivocal on which of the two genus names (''Ketupa'' or ''Bubo'') is more appropriately applied for this species. Its habitat is riparian forest with large, old trees for nest sites that is near lakes, rivers, springs, and shoals that do not freeze in winter. Henry Seebohm named this bird after the English naturalist Thomas Blakiston, who collected the original specimen in Hakodate on Hokkaidō, Japan in 1883. Taxonomy It is more correct to call this species the Blakiston's eagle-owl. This is because it is more ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thymallus
''Thymallus'' is a genus of freshwater fish in the salmon family Salmonidae; it is the only genus of subfamily Thymallinae. The type species is ''Thymallus thymallus,'' the grayling. The species in the genus are generically called graylings, but without qualification this also refers specifically to ''T. thymallus.'' Distribution The fishes of this genus are native to the northern parts of the Palearctic and Nearctic realms, ranging from the United Kingdom and northern Europe across Eurasia to Siberia, as well as northern North America. ''T. thymallus'', the grayling, is widespread in Europe, and ''T. arcticus,'' the Arctic grayling, is widespread throughout Eurasia east of the Ural Mountains and in the Nearctic. The other species have more localized ranges in northern Asia. Appearance ''Thymallus'' species are distinguished from other members of the salmon family by their larger scales, their small mouths with teeth on the maxillary bone, and most striking of all, their showy, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kundzha
''Salvelinus leucomaenis'', the whitespotted char, is an East Asian trout in the genus ''Salvelinus'', called ''iwana'' in Japanese and ''kundzha'' (кунджа) in Russian. Both landlocked and ocean-run forms occur. The landlocked form typically grows up to , and prefers low-temperature streams. The seagoing fish typically grows to long. The largest reported specimen was long and the oldest was nine years old. ''Iwana'' is widely fished in Japan. Apart from Hokkaido in Japan, the species is found in northeast Korea and in Russia in Sakhalin, Kuril Islands and Kamchatka The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and west .... The kirikuchi char (''Salvelinus leucomaenis japonicus'' or ''Salvelinus japonicus'') is usually considered a subspecies of ''S. leucomaenis''. Two other s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coho Salmon
The coho salmon (''Oncorhynchus kisutch;'' Karuk: achvuun) is a species of anadromous fish in the salmon family and one of the five Pacific salmon species. Coho salmon are also known as silver salmon or "silvers". The scientific species name is based on the Russian common name ''kizhuch'' (кижуч). Description During their ocean phase, coho salmon have silver sides and dark-blue backs. During their spawning phase, their jaws and teeth become hooked. After entering fresh water, they develop bright-red sides, bluish-green heads and backs, dark bellies and dark spots on their backs. Sexually maturing fish develop a light-pink or rose shading along the belly, and the males may show a slight arching of the back. Mature adults have a pronounced red skin color with darker backs and average and , occasionally reaching up to . They also develop a large kype (hooked beak) during spawning. Mature females may be darker than males, with both showing a pronounced hook on the nose. Re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dolly Varden Trout
The Dolly Varden trout (''Salvelinus malma'') is a species of salmonid fish native to cold-water tributaries of the Pacific Ocean in Asia and North America. It belongs to the genus ''Salvelinus'', or true chars, which includes 51 recognized species, the most prominent being the brook, lake and bull trout, as well as Arctic char. Although many populations are semi-anadromous, fluvial and lacustrine populations occur throughout its range. It is considered by taxonomists as part of the ''Salvelinus alpinus'' or Arctic char complex, as many populations of bull trout, Dolly Varden trout and Arctic char overlap. Taxonomy The scientific name of the Dolly Varden is ''Salvelinus malma''. The species was originally named by German naturalist and taxonomist Johann Julius Walbaum in 1792 based on type specimens from the Kamchatka Peninsula in Siberia. The name ''malma'' was based on Russian , the local colloquial name for the fish. The Dolly Varden trout is considered part of the ''S. al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Floodplain
A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudie, A. S., 2004, ''Encyclopedia of Geomorphology'', vol. 1. Routledge, New York. The soils usually consist of clays, silts, sands, and gravels deposited during floods. Because the regular flooding of floodplains can deposit nutrients and water, floodplains frequently have high soil fertility; some important agricultural regions, such as the Mississippi river basin and the Nile, rely heavily on the flood plains. Agricultural regions as well as urban areas have developed near or on floodplains to take advantage of the rich soil and fresh water. However, the risk of flooding has led to increasing efforts to control flooding. Formation Most floodplains are formed by deposition on the inside of river meanders and by overbank flow. Whereve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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