The Nora () is a river in
Amur Oblast
Amur Oblast () is a federal subject of Russia (an oblast), located on the banks of the Amur and Zeya rivers in the Russian Far East. The oblast borders Heilongjiang province of the People's Republic of China (PRC) to the south.
The administrati ...
,
Russia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
. It is the 2nd longest tributary of the
Selemdzha
The Selemdzha () is a river in the Amur Region of Russia. It is the biggest, left tributary of the Zeya. The length of the river is 647 km. The area of its basin 68,600 km².
Course
The Selemdzha has its source where three mountain r ...
after the
Ulma, with a length of
[ and the first in drainage basin area, with .][Water of Russia - Nora]
/ref>
The river flows across a desolate, uninhabited area. The Lower Nora Zakaznik (Нижне-Норский заказник) is a protected area
Protected areas or conservation areas are locations which receive protection because of their recognized natural or cultural values. Protected areas are those areas in which human presence or the exploitation of natural resources (e.g. firewood ...
for the Siberian roe deer
The Siberian roe deer, eastern roe deer, or Asian roe deer (''Capreolus pygargus''), is a species of roe deer found in northeastern Asia. In addition to Siberia and Mongolia, it is found in Kazakhstan, the Tian Shan Mountains of Kyrgyzstan, east ...
that was established in 2010 in the lower basin of the river.Нижне-Норский - Дирекция ООПТ Амурской области
/ref>
Course
The Nora is a right tributary
A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...
of the Selemdzha. It has its origin in the southern slopes of the Dzhagdy Range
The Dzhagdy Range () is a range of mountains in far Russian Far East, North-eastern Russia. Administratively it belongs partly to Amur Oblast and partly to the Khabarovsk Krai of the Federal subjects of Russia, Russian Federation.
Geography
The ...
. In its upper reaches the Nora flows fast among pebbles and boulders in a roughly SW direction across the Amur-Zeya Plateau. Then in its lower course it bends southwards entering a floodplain
A floodplain or flood plain or bottomlands is an area of land adjacent to a river. Floodplains stretch from the banks of a river channel to the base of the enclosing valley, and experience flooding during periods of high Discharge (hydrolog ...
and flowing among a very marshy area dotted with lakes.[Topographic map N-52; M 1: 1,000,00](_blank)
/ref> Finally it meets the Selemdzha upstream from the mouth of the Orlovka (Mamyn)
The Orlovka (), also known as Mamyn (), is a river in Mazanovsky District, Amur Oblast, Russia. It is the 4th longest tributary of the Selemdzha after the Byssa, with a length of and the second in drainage basin area, with .
The river basin i ...
, from the village of Norsk
Norwegian, Norwayan, or Norsk may refer to:
*Something of, from, or related to Norway, a country in northwestern Europe
*Norwegians, both a nation and an ethnic group native to Norway
*Demographics of Norway
*Norwegian language, including the two ...
, Selemdzhinsky District
Selemdzhinsky District () is an administrativeLaw #127-OZ and municipalLaw #25-OZ district (raion), one of the twenty in Amur Oblast, Russia. The area of the district is . Its administrative center is the urban locality (a work settlement) of ...
.Google Earth
Google Earth is a web mapping, web and computer program created by Google that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satelli ...
permafrost
Permafrost () is soil or underwater sediment which continuously remains below for two years or more; the oldest permafrost has been continuously frozen for around 700,000 years. Whilst the shallowest permafrost has a vertical extent of below ...
in the basin. The river freezes in late October and stays under ice until early May. Summers are humid and warm, with temperatures reaching in July.[
The main tributaries of the Nora are the Dugda, the longest one, from the right, and the Meun (Mevon) and Egor from the left.][
]
Fauna
Besides the grayling that gives its name to the river, Amur pike
The Amur pike (''Esox reichertii''), also known as the blackspotted pike, is a pike native to the Amur River system in east Asia, as well as freshwater habitat on the island of Sakhalin. Closely related to the northern pike, it reaches a length ...
, Amur ide, lenok
Lenoks, otherwise known as Asiatic trout or Manchurian trout,James Card: Fly fishing in South Korea.' Retrieved 22 June 2015. are salmonid fish of the genus ''Brachymystax'', native to rivers and lakes in Mongolia, Kazakhstan, wider Siberia (incl ...
, taimen
''Hucho'' is a genus of large piscivorous salmonid fish known as taimens (from Finnish , 'trout', through ), and is closely related to Pacific trout and lenoks (all belonging to the same tribe in the subfamily Salmoninae). Native to the cold ...
and silver carp
The silver carp or silverfin (''Hypophthalmichthys molitrix'') is a species of freshwater cyprinid fish, a variety of Asian carp native to China and eastern Siberia, from the Amur River drainage in the north to the Xi Jiang River drainage in ...
are among the common fish species in the waters of the Nora 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 i ...
References
External links
Река Нора - Норский заповедник
{{Portal bar, Russia
Rivers of Amur Oblast
Drainage basins of the Sea of Okhotsk