Sea of Azov
|Sea of Azov|
Sea of Azov at Novaya Yalta, Donetsk Oblast
|Primary inflows||Don and Kuban|
|Max. length||360 km (220 mi)1|
|Max. width||180 km (110 mi)1|
|Surface area||39,000 km2 (15,000 sq mi)1|
|Average depth||7 metres (23 ft)1|
|Max. depth||14 m (46 ft)1|
|Water volume||290 km31|
The Sea of Azov (Russian: Азо́вское мо́ре, tr. Azovskoye more, IPA: [ɐˈzofskəjə ˈmorʲə]; Ukrainian: Азо́вське мо́ре, Azovs'ke more; Crimean Tatar: Azaq deñizi), known in Classical Antiquity as Lake Maeotis (Μαιώτις in Ancient Greek), Meotida in numerous European languages, is a sea on the south of Eastern Europe. It is linked by the narrow (about 4 km) Strait of Kerch to the Black Sea to the south and is bounded in the north by Ukraine, in the east by mainland Russia, and in the west by the Crimean Peninsula. The Don and Kuban are the major rivers that flow into it. The Sea of Azov is the shallowest sea in the world, with the depth varying between 0.9 metres (2 ft 11 in) and 14 metres (46 ft).12345 There is a constant outflow of water from the Sea of Azov to the Black Sea.
The sea is largely affected by the inflow of numerous rivers, which bring sand, silt, and shells, which in turn form numerous bays, limans, and narrow spits. Because of these deposits, the sea bottom is relatively smooth and flat with the depth gradually increasing toward the sea centre. Also, due to the river inflow, water in the sea has low salinity and a high content of biological matter, such as green algae that affects the water colour. Abundant plankton results in unusually high fish productivity. The sea shores and spits are low; they are rich in vegetation and bird colonies.
- 1 History and etymology
- 2 Geology and bathymetry
- 3 Coastal features and major population centres
- 4 Aquatory
- 5 Climate
- 6 Flora and fauna
- 7 Economy and ecology
- 8 Mention in the Prophecy of St Agathangelos (1279)
- 9 References
- 10 Bibliography
- 11 External links
The Black Sea deluge theory dates the genesis of the Sea of Azov to 5600 BC, and there are traces of Neolithic settlement in the area it now covers. In antiquity, it was known as Lake Mæotis,67 the Maeotian Lake or the Maeotian Sea (Greek ἡ Μαιῶτις λίμνη and Latin Palus Maeotis), after the tribe of Maeotae which inhabited the Maeotian marshes east of the sea. In the antique epoch local inhabitants called the sea Temerinds.citation needed In medieval times, Russians named it the Sea of Surozh, after the Crimean city of Surozh (now Sudak).18
The current name is popularly said to come from a Polovtsian prince named Azum or Asuf, who was killed defending a town in this region in 1067. Alternatively, it may originate from Turkish "asak" which means "low".9
In 1997, William Ryan and Walter Pitman of Columbia University published a theory that a massive flood through the Bosporus occurred in ancient times. They claim that the Black and Caspian Seas were vast freshwater lakes, but in about 5600 BC the Mediterranean spilled over a rocky sill at the Bosporus, creating the current link between the Black and Mediterranean Seas. Subsequent work has been done both to support and to discredit this theory, and archaeologists still debate it. This has led some to associate this catastrophe with prehistoric flood myths.10
The Sea of Azov was frequently the scene of military conflicts between Russia, pursuing naval expansion to the south, and the major power in the region, Turkey. During the Russo-Turkish War (1686–1700), there were two campaigns in 1695–96 to capture the then Turkish fortress of Azov defended by a garrison of 7,000. The campaigns were headed by Peter I and aimed to gain Russian access to the Sea of Azov and Black Sea. The first campaign began in the spring of 1695. The Russian army consisted of 31 thousand men and 170 cannons and included selected trained regiments and Cossacks. It reached Azov on 27–28 June and besieged it by land by 5 July. After two unsuccessful assaults on 5 August and 25 September, the siege was lifted.11
The second campaign involved both ground forces and the Azov fleet, which was built in Moscow Oblast, Voronezh, Bryansk and other regions between winter 1695 and spring 1696. In April 1696, the army of 75,000 headed by Aleksei Shein moved to Azov by land and by ship via the Don River to Taganrog. In early May, they were joined by another fleet led by Peter I. On 27 May, the Russian fleet blocked Azov by sea. On 14 June, the Turkish fleet tried to break the blockade but, after losing two ships, retreated to the sea. After intensive bombardment of the fortress from land and sea, on 17 July the Russian army broke the defense lines and occupied parts of the wall. After heavy fighting, the garrison surrendered on 17 July. After the war, the Russian fleet base was moved to Taganrog and Azov, and 215 ships were built there between 1696 and 1711. In 1711, as a result of the Russo-Turkish War (1710–1711) and the Treaty of the Pruth, Azov was returned to Turkey and the Russian Azov fleet was destroyed.1112 The city was recaptured by Russia in 1737 during the Russo-Austrian-Turkish War (1735–1739). However, as a result of the consequent Treaty of Niš, Russia was not allowed to keep the fortress and military fleet.13
Another major military campaign on the Sea of Azov took place during the Crimean War of 1853–56. A naval and ground campaign pitting the allied navies of Britain and France against Russia took place between May and November 1855. The British and French forces besieged Taganrog, aiming to disrupt Russian supplies to Crimea. Capturing Taganrog would also result in an attack on Rostov, which was a strategic city for Russian support of their Caucasian operations. On 12 May 1855, the allied forces easily captured Kerch and gained access to the Sea of Azov, and on 22 May they attacked Taganrog. The attack failed and was followed by a siege. Despite the vast superiority of the allied forces (about 16,000 soldiers against fewer than 2,000), the city withstood all attempts to capture it, which ended around August 1855 with the retreat of the allied army. Individual coastal attacks continued without success and ceased in October 1855.14
The International Hydrographic Organization defines the limit of the Sea of Azov in the Kertch Strait sic as "The limit of the Black Sea", which is itself defined as "A line joining Cape Takil and Cape Panaghia (45°02'N)".15
The sea is considered an internal sea of Russia and Ukraine, and its use is governed by an agreement between these countries ratified in 2003.16 The sea is 360 kilometres (220 mi) long and 180 kilometres (110 mi) wide and has an area of 39,000 square kilometres (15,000 sq mi); it is the smallest sea within the countries of the former Soviet Union.17 The main rivers flowing into it are the Don and Kuban; they ensure that the waters of the sea have comparatively low salinity and are almost fresh in places, and also bring in huge volumes of silt and sand. Accumulation of sand and shells results in a smooth and low coastline, as well as in numerous spits and sandbanks.8
The Sea of Azov is the shallowest sea in the world with an average depth of 7 metres (23 ft) and maximum depth of 14 metres (46 ft);1 in the bays, where silt has built up, the average depth is about 1 metre (3 ft). The sea bottom is also relatively flat with the depth gradually increasing from the coast to the centre.18 The Sea of Azov is an internal sea with passage to the Atlantic Ocean going through the Black, Marmara, Aegean and Mediterranean seas. It is connected to the Black Sea by the Strait of Kerch, which at its narrowest has a width of 4 kilometres (2.5 mi) and a maximum depth of 15 metres (49 ft).1 The narrowness of the Kerch Strait limits the water exchange with the Black Sea. As a result, the salinity of the Sea of Azov is low; in the open sea it is 10–12 psu, about one third of the salinity of the oceans; it is even lower (2–7 psu) in the Taganrog Bay at the northeast end of the Sea. The long-term variations of salinity are within a few psu and are mostly caused by changes in humidity and precipitation.1920
Although more than 20 rivers flow into the sea, mostly from the north,18 two of them, the Don and Kuban rivers, account for more than 90% of water inflow. The contribution of the Don is about twice that of the Kuban.18 The Kuban delta is located at the southeast, on the east side of the Kerch Strait. It is over 100 km long and covers a vast flooded area with numerous channels. Because of the spread, the delta has low contrast in satellite images, and is hardly visible in the map. The Don flows from the north into the large Taganrog Bay. The depth there varies between 2 and 9 metres, while the maximum depth is observed in the middle of the sea.21
Typical values of the annual inflow and outflow of water to the sea, averaged over the period from 1923 to 1985, are as follows: river inflow 38.6 km3, precipitation 15.5 km3, evaporation 34.6 km3, inflow from the Black Sea 36–38 km3, outflow 53–55 km3.22 Thus, about 17 km3 of fresh water is outflowing from the Azov Sea to the Black Sea.8 The depth of Azov Sea is decreasing, mostly due to the river-induced deposits.17 Whereas the past hydrological expeditions recorded depths up to of 16 metres, more recent ones could not find places deeper than 13.5–14 metres.17 This might explain the variation in the maximum depths among different sources. The water level fluctuates by some 20 cm over the year due to the snow melts in spring.22
The Taman Peninsula has about 25 mud volcanoes, most of which are active. Their eruptions are usually quiet, spilling out mud, and such gases as methane, carbon dioxide and hydrogen sulfide, but are sometimes violent and resemble regular volcanic eruptions. Some of those volcanoes are under water, near the shores of the peninsula. A major eruption on 6 September 1799, near stanitsa Golubitskaya, lasted about 2 hours and formed a mud island 100 metres in diameter and 2 metres in height; the island was then washed away by the sea. Similar eruptions occurred in 1862, 1906, 1924, 1950 and 1952.17
The current vertical profile of the Sea of Azov exhibits oxygenated surface waters and anoxic bottom waters, with the anoxic waters forming in a layer 0.5 to 4 meters (1.6–13.1 ft) in thickness. The occurrence of the anoxic layer is attributed to seasonal eutrophication events associated with increased sedimentary input from the Don and Kuban Rivers. This sedimentary input stimulates biotic activity in the surface layers, in which organisms photosynthesise under aerobic conditions. Once the organisms expire, the dead organic matter sinks to the bottom of the sea where bacteria and microorganisms, using all available oxygen, consume the organic matter, leading to anoxic conditions. Studies have shown that in the Sea of Azov, the exact vertical structure is dependent on wind strength and sea surface temperature, but typically a 'stagnation zone' lies between the oxic and anoxic layers.23
Many rivers flowing into the Sea of Azov form bays, lagoons and limans. The sand, silt and shells they bring are deposited in the areas of reduced flow, that is the sides of the bays, forming narrow sandbanks called spits. Typical maximum depth in the bays and limans is a few metres. Because of shallow waters and abundant rivers, the spits are remarkably long and numerous in the sea – the Arabat Spit stretches over 112 kilometers (70 mi) and is one of the world's longest spits; three other spits, Fedotov Spit, Achuevsk Spit and Obitochna Spit, are longer than 30 km. Most spits stretch from north to south and their shape can significantly change over just several years.2425
A remarkable feature of the Sea of Azov is the large complex of shallow lagoons called Sivash or "Rotten Sea". Their typical depth is only 0.5–1 metres with a maximum of 3 metres. They cover an area of 2,560 square kilometers (990 sq mi) in the northeastern Crimea which is separated from the sea by the Arabatsk Spit. North of the spit lies the city of Henichesk (population 22,500) and south of it is the Bay of Arabat.26 Sivash accepts up to 1.5 km3 of Azov water per year. Because of the lagoons' wide extent and shallowness, the water rapidly evaporates, resulting in the high salinity of 170 on the practical salinity scale (i.e. 170 psu). For this reason Sivash has long had an important salt-producing industry.21
North of the Arabat Spit is the Molochna Liman with the associated Fedotov Spit (45 km long) which are formed by the Molochna River. Farther north, between the Fedotov Spit and Obytochna Spit (30 km long), lies Obytochny Bay. Further north, between Obytochna Spit and Berdyansk Spit (23 km long), is Berdyansk Bay with two cities, Berdyansk (population 112,000) and Primorsk (population 13,900). Further north again lies Belosaraysk Bay with Belosaraysk Spit, formed by the river Kalmius. The major city in the area is Mariupol (population 491,600). Then, approaching the Taganrog Bay and very close to Taganrog, are the Mius Liman and Krivaya Spit formed by the Mius River.25
With an area of about 5,600 square kilometers (2,200 sq mi), Taganrog Bay is the largest bay of the Sea of Azov. It is located in the north-eastern part of the Sea and is bounded by the Belosaraysk and Dolgaya spits. The Don flows into it from the north-east. On its shores stand the two principal cities of the Sea of Azov, Taganrog (population 257,600) and Azov (population 83,200). South-east of the bay is Yeysk Liman. It lies entirely on the continent, entering the Taganrog Bay through the Yeysk and Glafirovsk Spits, and is the mouth of the Yeya River. Yeysk Spit is part of Yeysk city, which has a population of 87,500. It extends into the prominent Yeysk peninsula, which is tipped in the north-west by the Dolgaya Spit. South of it, also enclosed by the continent, lies Beisug Liman, which is restricted by the Yasensk Spit and is fed by the Beysug River. South-west of the liman, the 31 km long Achuevsk Spit runs along the coastline. Between the Achuevsk spit and Beisug Liman stands Primorsko-Akhtarsk with 32,165 inhabitants.2425
In the south, the Sea of Azov is connected to the Black Sea via the Strait of Kerch, which is bordered to the west by the Kerch peninsula of the Crimea and to the east by the Russian Taman peninsula in Krasnodar Krai. The city of Kerch (population 151,300) is located on the Kerch peninsula, and the Taman peninsula contains the delta of the Kuban, a major Russian river. The strait is 41 kilometres long and 4 to 15 kilometres wide. Its narrowest part lies on the Sea of Azov side, restricted by the Chushka Spit which faces southwards in consequence of the outflow from the Azov to the Black Sea.27
- Bay of Arabat
- Taganrog Bay
- Temryuk Bay
- Kazantip Bay
- Berdyansk Bay
- Obytichna Bay
- Taman Bay
- Kerch Strait, connection with Black Sea
- Don River
- Kuban River
- Molochna River
- Kalmius River
- Malyi Utlyuk, Velykyi Utlyuk
- Utlyuk Estuary
- Bolhradsky Sivashyk
- Mius River
- Yeya River
- Beisug River
- Berda River
The sea is relatively small and nearly surrounded by land. Therefore, its climate is continental with cold winters and hot and dry summers. In autumn and winter, the weather is affected by the Siberian Anticyclone which brings cold and dry air from Siberia with winds of 4–7 m/s, sometimes up to 15 m/s. Those winds may lower the winter temperatures from the usual −1 to −5°C to below −30°C. The mean mid-summer temperatures are 23–25°C with a maximum of about 40°C.21 Winds are weaker in summer, typically 3–5 m/s.18 Precipitation varies between 312 and 528 mm/year and is 1.5–2 times larger in summer than in winter.8
Average water temperatures are 0–1°C in winter (2–3°C in the Kerch Strait) and 24–25°C in summer, with a maximum of about 28°C on the open sea and above 30°C near the shores. During the summer, the sea surface is usually slightly warmer than the air.18 Because of the shallow character of the sea, the temperature usually lowers by only about 1°C with depth, but in cold winters, the difference can reach 5–7°C.1828
The winds cause frequent storms, with the waves reaching 6 metres in the Taganrog Bay, 2–4 metres near the southern shores, and 1 metre in the Kerch Strait. In the open sea, their height is usually 1–2 metres, sometimes up to 3 metres. Winds also induce frequent seiches – standing waves with an amplitude of 20–50 cm and lasting from minutes to hours. Another consequence of the winds is water currents. The prevailing current is a counterclockwise swirl due to the westerly and south-westerly winds. Their speed is typically less than 10 cm/s, but can reach 60–70 cm/s for 15–20 m/s winds. In the bays, the flow is largely controlled by the inflow of the rivers and is directed away from the shore.22 In the Kerch Strait, the flow is normally toward the Black Sea due to the predominance of northern winds and the water inflow from the rivers; its average speed is 10–20 cm/s, reaching 30–40 cm in the narrowest parts.29 Tides are variable but can peak at 5.5 metres.30
The shallowness and low salinity of the sea make it vulnerable to freezing during the winter. Fast ice bands ranging from 7 km in the north to 1.5 km in the south can occur temporarily at any time from late December to mid-March. Under the present climate the sea no longer freezes over, although during the 18th and 19th centuries, and as recently as in the late 1970s, it was normally frozen over every year by early February. The ice thickness reaches 30–40 centimetres (12–16 in) in most parts of the sea and 60–80 cm in the Taganrog Bay.29 The ice is often unstable and piles up to the height of several metres. Before the introduction of icebreakers, navigation was halted in the winter.28
Historically, the sea has had rich marine life, both in variety, with over 80 fish and 300 invertebrate species identified, and in numbers. Consequently, fishing has long been a major activity in the area. The annual catch of recent years was 300,000 tonnes, about half of which are valuable species (sturgeon, pike-perch, bream, sea-roach, etc.).31 This was partly due to extremely high biological productivity of the sea, which was stimulated by the strong supply of nutrients from numerous rivers feeding the sea, low water salinity, ample heating due to shallow waters and long vegetation period. However, diversity and numbers have been reduced by artificial reduction of river flow (construction of dams), over-fishing and water-intense large-scale cultivation of cotton, causing increasing levels of pollution. Fish hauls have rapidly decreased and in particular anchovy fisheries have collapsed.1313233
Because of the shallow waters, the development of aquatic life in the Sea of Azov is more characteristic of a lagoon, and the plankton patterns are rather similar in the open sea and near the shores. Despite its shallowness, the water has low transparency, so bottom plants are poorly developed and most algae are of planktonic type. The sea is characterised by high concentrations of organic matter and long blooming periods. Another specific feature of the sea is the variable salinity – low in the large bays and higher in the open sea, especially near the Kerch Strait. Therefore, the plankton species are distributed inhomogeneously in the Sea of Azov. Although many additional species are brought in from the saltier Black Sea, most of them cannot adjust to the variable salinity of the Sea of Azov, except for the euryhaline species.34 About 600 species of planktonic algae are known in the Sea of Azov.31 The number of species is dominated by diatoms and green algae; blue-green algae and pyrophites are significant, and euglena and yellow-green algae form only 5% of the species. Green algae are mostly responsible for the colour of the sea in the satellite images (see photos above).34
Regarding zooplankton, the fresh waters of the Tanganrog Bay are inhabited by cladocera, copepoda and rotifers, such as Brachionus plicatilis, Keratella curdata and Asplanchna. Western part of the sea, which is more saline, hosts three forms of Acartia clausi, as well as Centropages ponticus, meroplankton and larvae of gastropoda, bivalvia and polychaete.35
Benthos species reside mostly at the sea bottom and include worms, crustaceans, bottom protists, coelenterata and mollusks. Mollusks account for 60–98% of the invertebrate biomass at the Sea of Azov bottom.35
There are 183 ichthyofauna species from 112 genera and 55 families in the Sea of Azov region. Among them, there are 50 rare and 19 endangered species, and the sturgeon Acipenser nudiventris is probably extinct in the region.36
The fauna of the freshwater Taganrog Bay is much poorer – it consists of 55 species from 36 genera and 16 families; among them, three species are rare and 6 are endangered.37
The shores of the Sea of Azov contain numerous estuaries and marshes and are dominated by reeds, sedges, Typha and Sparganium. Typical submerged plants are Charales, pond weed, hornworts and water lilies. Also common is lotus which was brought to the area from Africa.17 The number of species is large; for example, the Belosaraysk and Berdyansk spits alone contain more than 200 each. Some spits are declared national nature reserves, such as Beglitsk,38 Belosaraysk,39 Krivaya39 and Berdyansk Spits.254041
Estuaries and spits of the sea are rich in birds, mostly waterfowl, such as wild geese, ducks and seagulls. Colonies of cormorants and pelicans are common. Also frequently observed are swans, herons, sandpipers and many birds of prey. Mammals include foxes, wild cats, hares, hedgehogs, weasels, martens and wild boar.41 Muskrats were introduced to the area in the early 20th century and are hunted for their fur.17
Some ichthyofauna species, such as anchovy, garfish, Black Sea whiting and pickerel, visit the Sea of Azov from the Black Sea for spawning. This was especially frequent in 1975–77 when the salinity of the southern Sea of Azov was unusually high, and additional species were seen such as bluefish, turbot, chuco, spurdog, Black Sea salmon, mackerel and even corkwing wrasse, rock hopper, bullhead and eelpout. Unlike the Black Sea plankton which does not adapt well to the low salinity of the Sea of Azov and concentrates near the Kerch Strait, fishes and invertebrates of the Black Sea adjust well. They are often stronger than the native species, are used to the relatively low temperatures of the Black Sea and survive winter in the Sea of Azov well.42
Balanus improvisus is the first benthos species which spread from the Black Sea in the early 20th century and settled in the Sea of Azov. Its current density is 7 kg/m2. From 1956, Rapana venosa is observed in the Sea of Azov, but it could not adjust to low salinity and therefore is limited to the neighborhood of the Kerch Strait. Several Sea of Azov mollusks, such as shipworm (Teredo navalis), soft-shell clam (Mya arernaria), Mediterranean mussel (Mytilus galloprovincialis) and Anadara inaequivalvis, originate from the Black Sea. Another example of invading species is the Dutch crab Rhithropanopeus harrisii which is observed both in saline and freshwater parts.42
Formerly three types of dolphins, short-beaked common dolphin, common bottlenose dolphin and harbour porpoise, regularly visited the Sea of Azov from the Black Sea. One type of harbour porpoise, Phocoena phocoena relicta, used to live in the Sea of Azov and was therefore called "Azov dolphin" (Russian: азовка) in the Soviet Union. Nowadays, dolphins are rarely observed in the Sea of Azov. This is attributed to shallowing of the sea, increasing navigation activities, pollution, and reduction in the fish population.4344
For centuries, the Sea of Azov has been an important waterway for the transport of goods and passengers. The first modern ironworks in Imperial Russia were located upstream on the Kalmius River at Donetsk (formerly known as Юзовка Yuz(Hughes)ovka). It was also important for the transportation of iron ores from the mines of the Kerch peninsula to the processing plant of Azovstal in Mariupol (formerly Zhdanov), Ukraine; this activity stopped after the closure of the mines in the 1990s.45 Navigation increased after the construction in 1952 of the Volga–Don Canal which connected the Sea of Azov with the Volga River – the most important riverine transport route in the central Russia – thus connecting major cities such as Moscow, Volgograd and Astrakhan.17 Currently, the major ports are in Taganrog, Mariupol, Yeysk and Berdyansk.830
Increasing navigation rates have resulted in more pollution and even in ecological disasters. On 11 November 2007, a strong storm resulted in the sinking of four ships in the Strait of Kerch, in the Russian Port of Kavkaz. The ships were the Russian bulk carriers Volnogorsk, Nakhichevan, Kovel and the Georgian Haji Izmail with a Turkish crew. Six other ships were driven from their anchors and stranded and two tankers were damaged (Volgoneft-139 and Volgoneft-123). As a result, about 1300 tons of fuel oil and about 6800 tons of sulfur entered the sea.4647
Another traditional activity in the sea is fishing. The Sea of Azov used to be the most productive fishing area in the Soviet Union: typical annual fish catches of 300,000 tonnes converted to 80 kg per hectare of surface. (The corresponding numbers are 2 kg in the Black Sea and 0.5 kilograms (1.1 lb) in the Mediterranean Sea.)48 The catch has decreased in the 21st century, with more emphasis now on fish farming, especially of sturgeon.
Traditionally much of the coastline has been a zone of health resorts.18
The irrigation system of the Taman Peninsula, supplied by the extended delta of the Kuban River, is favorable for agriculture and the region is famous for its vines. The area of the Sivash lagoons and Arabat Spit was traditionally a centre of a salt-producing industry. The Arabat Spit alone produced about 24,000 tonnes/year in the 19th century.1726
"Ήκουσα φωνήv υπό της Άρκτου ερχομένης, λεγούσης ούτω: Ρωσία, ξύπνησεν γε ουν εκ του ύπνου
Προς εσέ ο λόγος του Αγγέλου και εν τη πρωία του ηλίου αμπλησθήσεται ελαίου η λάμπα σου και πρίν ο ήλιος φανή
εν τω ανατολικό ζωδίω, συ μεν εκμανής έση. Ω φίλη, ιδού τα αριστοπολεμικά σου όργανα, πληρούσι τους αιθέρας μελωδίας.
Οι πολεμισταί και οι ήρωες σου ψάλλουσι τα νικητήρια, προσκαλούντες σε αναμορφώσαι τον πλανήτην. Επί τε την χερσόνησον έξεις νίκην και διαβείσα την Ματαιώτιδα λίμνη καταθραύσεις την Ταυρικήν και τα πέριξ μέρη των Σκυθώ"
"I heard a voice coming from the Bear saying thus: Russia, wake up from your sleep!
To you the word of the Angel and in the morning of the sun, your lamp shall be filled with oil even before the sun appears in the eastern zodiac you will become furious.
O friend, here are your instruments of war, filling the skies with melody.
Your warriors and your heroes shall chant the victory songs, inviting the planet to restructuring. Once you have been victorious on the peninsula and you cross lake Maeotis (edit: Sea of Azov) you shall destroy the land of Tauris and the surround lands of Scythia"
- Kostianoy, p. 65
- The New Encyclopædia Britannica 1. 2005. p. 758. ISBN 1-59339-236-2. "With a maximum depth of only about 46 feet (14 m), the Azov is the world's shallowest sea"
- Academic American encyclopedia 1. Grolier. 1996. p. 388. ISBN 0-7172-2064-8. "The Azov is the world's shallowest sea, with depths ranging from 0.9 to 14 m (3 to 46 ft)"
- National Geographic 185. National Geographic Society. 1994. p. 138.
- "Earth from space". NASA.
- Lordkipanidze, Otar (2000). Phasis: The River and City in Colchis. Franz Steiner Verlag, Stuttgart. p. 25. ISBN 3-515-07271-3.
- Vasiliev, Alexander Alexandrovich (1936). The Goths in the Crimea Mediaeval Academy of America. Cambridge, Massachusetts. p. 17,. OCLC 1043381.
- "Sea of Azov". Great Soviet Encyclopedia (in Russian).
- Adrian Room (2006). Placenames of the world. McFarland. p. 42. ISBN 0-7864-2248-3.
- Ryan, W (1997). "An abrupt drowning of the Black Sea shelf". Marine Geology 138: 119. doi:10.1016/S0025-3227(97)00007-8.
- "Azov campaign 1695–96". Great Soviet Encyclopedia (in Russian). Retrieved June 20, 2010.
- "Azov fleet". Great Soviet Encyclopedia (in Russian).
- B. V. Sokolov. Russo-Turkish Wars of 18th–19th Centuries. (Russian)
- Pavel Filevsky (1898). History of Taganrog. Moscow.
- "Limits of Oceans and Seas, 3rd edition". International Hydrographic Organization. 1953. Retrieved February 7, 2010.
- Treaty between the Russian Federation and Ukraine on cooperation in the use of the Sea of Azov and Kerch Strait, December 24, 2003, kremlin.ru (Russian)
- V. I. Borisov and E. I. Kapitonov (1973). Sea of Azov (in Russian). KKI.
- A. D. Dobrovolsky and B. S. Zalogin (1982). Seas of USSR (in Russian). Moscow University.
- Kostianoy, pp. 69–73
- "Climatological Atlas of the Sea of Azov". National Oceanographic Data Centre. Retrieved 2008-01-06.
- Kostianoy, p. 66
- Kostianoy, p. 67
- Debolskaya, E. I. (2008). "Analysis of the hydrophysical structure of the Sea of Azov in the period of the bottom anoxia development". Journal of Marine Systems 70 (3–4): 300. doi:10.1016/j.jmarsys.2007.02.027.
- Complex characteristics of the present condition of the Sea of Azov shore within the Krasnodar Krai (Russian)
- Lotysh, I.P. (2006). Geography of Kuban. Collegiate Dictionary. Maikop.
- Semenov, Petr Petrovich (1862). Geografichesko-statisticheskìĭ slovar' Rossìĭskoĭ imperìi (Geographical-statistical dictionary of Russian Empire) (in Russian). Oxford University. p. 111.
- "Kerch Strait" (in Russian). Great Soviet Encyclopedia. Retrieved June 20, 2010.
- Kostianoy, p. 69
- Kostianoy, p. 68
- "Sea of Azov". Britannica. Retrieved August 30, 2002.
- Kostianoy, p. 76
- Kostianoy, p. 86
- Jessica Lindström. Alien invaders in our seas. Battle, WWF, Gland, Switzerland. ISBN 02-14-2004 Check
- Kostianoy, p. 77
- Kostianoy, p. 78
- Kostianoy, p. 79
- Kostianoy, p. 81
- "Основные положения о территориальном планировании, содержащиеся в "Схеме территориального планирования рекреационного комплекса прибрежных территорий Азовского моря и Нижнего Дона"". Retrieved August 20, 2002. (Russian)
- "List of nature reserves". Retrieved August 30, 2002. (Russian)
- Basics of ecology (in Russian). Ministry of Education and Science of Ukraine. 2005. Retrieved August 30, 2002.
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- Kostianoy, pp. 83–85
- "Dolphins are leaving the polluted Sea of Azov" (in Russian). Novosti.dn.ua. 19 February 2010.
- M. Klinowska (1991). Dolphins, porpoises and whales of the world: the IUCN red data book. IUCN. p. 89. ISBN 2-88032-936-1.
- Hirnycyj encyklopedycnyj slovnyk, Volume 3 (in Ukrainian). Schidnyj Vydavnyčyj Dim. 2004. ISBN 966-7804-78-X.
- "EU experts to assess ecological situation in Kerch Strait". Web-Portal of the Ukrainian Government. March 18, 2008.
- "Oil Spill Near Black Sea Causes 'Ecological Catastrophe'". Associated Press. November 13, 2007. Retrieved August 30, 2002.
- citation needed
- Andrey G. Kostianoy, Aleksey N. Kosarev (2007). The Black Sea Environment. Springer. ISBN 3-540-74291-3.
|Wikimedia Commons has media related to Sea of Azov.|
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