The Yama ( rus, Яма) is a river in
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 adminis ...
,
Russian Far East
The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...
. It is long, with a
drainage basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...
of .
The
R504 Kolyma Highway
The R504 Kolyma Highway (russian: Федеральная автомобильная дорога «Колыма», ''Federal'naya Avtomobil'naya Doroga «Kolyma»,'' "Federal Automobile Highway 'Kolyma'"), part of the M56 route, is a road throu ...
passes just west of the sources of the Yama.
[Floating Tours Down The Rivers of Magadan Region](_blank)
/ref> The name of the river is probably of Koryak origin.[Leontyev V.V. , Novikova K.A. ''Toponymic dictionary of the North-East of the USSR'', USSR Academy of Sciences. Magadan, 1989 - p. 445 - ISBN 5-7581-0044-7]
Course
The Yama has its source in the southwestern slopes of the Maymandzhin Range
The Maymandzhin Range ( rus, Майманджинский хребет) is a mountain range in Magadan Oblast, Far Eastern Federal District, Russia.Google Earth , at the confluence of rivers Maimandzha and Maimachan, near Atka and not far from the sources of north-heading Maltan
The Maltan (russian: Малтан) is a river in Magadan Oblast, Russia. It has a length of and a drainage basin of . The Maltan is the longest tributary of the Bakhapcha, of the Kolyma basin.
The river flows across an uninhabited area, the near ...
. It flows in a roughly southeastern direction along its entire course. The last stretch of the Yama is in a marshy coastal area where it divides into multiple sleeves and where there are many small thermokarst lake
Alas ( sah, Алаас) is a shallow depression which occurs primarily in Yakutia, which is formed by subsidence of the Arctic permafrost owing to repeated melting and refreezing. An alas first develops as a shallow lake as melt water fills the d ...
s on the right bank. Finally it flows by Yamsk village into the Perevolochny estuary, separated by a landspit
A spit or sandspit is a deposition bar or beach landform off coasts or lake shores. It develops in places where re-entrance occurs, such as at a cove's headlands, by the process of longshore drift by longshore currents. The drift occurs due ...
from Yam Bay, at the southwest end of the Shelikhov Gulf
Shelikhov Gulf (russian: залив Шелихова) is a large gulf off the northwestern coast of Kamchatka, Russia. The gulf is named after Russian explorer Grigory Shelikhov.
It is located in the northeastern corner of the Sea of Okhotsk and i ...
, Sea of Okhotsk
The Sea of Okhotsk ( rus, Охо́тское мо́ре, Ohótskoye móre ; ja, オホーツク海, Ohōtsuku-kai) is a marginal sea of the western Pacific Ocean. It is located between Russia's Kamchatka Peninsula on the east, the Kuril Islands ...
.Google Earth
Google Earth is a computer program that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satellite images, aerial photography, and geog ...
[Яма](_blank)
Great Soviet Encyclopedia
The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya e ...
in 30 vols. / Ch. ed. A.M. Prokhorov
Alexander Mikhailovich Prokhorov (born Alexander Michael Prochoroff, russian: Алекса́ндр Миха́йлович Про́хоров; 11 July 1916 – 8 January 2002) was an Australian-born Soviet-Russian physicist known ...
– 3rd ed. – M, 1969-1978.
The main tributaries of the Yama are the long Tob, the long Alut and the long Khalanchiga from the right.[
]
Flora and fauna
Chosenia
''Chosenia arbutifolia'' (syn. ''Salix arbutifolia'' Pall.)Skvortsov, A. K. 1957. Commentationes de morphologia et systematica salicarum. IV. On the correct species epithet for ''Chosenia''. — Bot. mat. Gerb. Bot. in-ta AN SSSR 18: 42–47. is ...
trees grow in the Yama 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.Goudi ...
by the banks of the river.
The Yama river is a spawning ground for salmon
Salmon () is the common name for several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the family (biology), family Salmonidae, which are native to tributary, tributaries of the ...
species, including 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 A ...
, pink salmon
Pink salmon or humpback salmon (''Oncorhynchus gorbuscha'') is a species of anadromous fish in the salmon family. It is the smallest and most abundant of the Pacific salmon. The scientific species name is based on the Russian common name for ...
and 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 i ...
. Arctic char
The Arctic char or Arctic charr (''Salvelinus alpinus'') is a cold-water fish in the family Salmonidae, native to alpine lakes and arctic and subarctic coastal waters. Its distribution is Circumpolar North. It spawns in freshwater and populatio ...
and grayling are also found in the river.
See also
*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 ...
References
External links
Kolyma - Modern Guidebook to Magadan Oblast
Rivers of Magadan Oblast
Drainage basins of the Sea of Okhotsk
{{Russia-river-stub