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| North Atlantic | ARCTIC SEAS | North Pacific | ||
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| Barents Sea | White Sea | KARA SEA | Laptev Sea / East Siberian Sea | Chukchee Sea |
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List of species of Decapoda | |||
| Photo of Decapoda | ||||
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| The Kara Sea is the marginal sea of the Arctic Ocean. The sea is bounded by the northern coast of Eurasia and the islands: Vaygach, Novaya Zemlya, Franz Josef Land, Severnaya Zemlya, Geiberg. Located primarily offshore; many islands. Depths of 50-100 meters prevail, maximum depth is 620 meters. The area is 893,400 km². Full-flowing rivers flow into the sea: Ob and Yenisei. It is covered with ice of local origin almost all year round. Ice formation begins in September. There are significant areas of perennial ice up to 4 meters thick. Fast ice forms along the coast, floating ice in the center of the sea. In summer, the ice breaks up into separate massifs. | ||||
| The tides in the Kara Sea are semi-daily, their height reaches 50 - 80 centimeters. In the cold period, sea ice has a great influence on the tides - the tide value decreases, the tidal wave propagates with a delay. The sea surface temperature in winter is close to -1.8 ° C. Water in shallow areas is well mixed from surface to bottom and has the same temperature and salinity (about 34 ‰). Warmer waters from the Barents Sea penetrate into the troughs, therefore, at a depth of 150-200 meters, a layer with a water temperature of up to + 2.5 ° C and a salinity of 35 ‰ is found in them. The water warms up in summer to + 6 ° C (in the north only up to + 2 ° C) in the upper 50-70 meters (in the east only 10-15 meters). Salinity in the Kara Sea is different. River runoff and ice melting in summer lead to a decrease in the salinity of seawater below 34 ‰, at river mouths the water becomes close to fresh. | ||||
| Currently, 15 species of Decapoda are known in the Kara Sea. | ||||
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