Download presentation about Lake Ladoga 7 pages. Presentation on the topic “Lake Ladoga, Leningrad Region

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Lake Ladoga (also Ladoga; historical name - Nevo) is a lake in Karelia (northern and eastern shores) and the Leningrad region (western, southern and southeastern shores), the largest freshwater lake in Europe. Applies to the pool Baltic Sea Atlantic Ocean. The area of ​​the lake without islands is from 17.6 thousand km² (with islands 18.1 thousand km²), the volume of water mass is 908 km³; length from south to north - 219 km, greatest width - 138 km

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The depth varies unevenly: in the northern part it ranges from 70 to 230 m, in the southern part - from 20 to 70 m. On the shores of Lake Ladoga there are the cities of Priozersk, Novaya Ladoga, Shlisselburg in the Leningrad region, Sortavala, Pitkyaranta, Lakhdenpokhya in Karelia. IN Ladoga lake 35 rivers flow in, but only one originates - the Neva.

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Climate

The climate over Lake Ladoga is temperate, transitional from temperate continental to temperate maritime. There are an average of 62 sunny days per year. Therefore, for most of the year, days with cloudy, cloudy weather and diffuse lighting predominate.

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Day length varies from 5 hours 51 minutes at the winter solstice to 18 hours 50 minutes at the summer solstice. The so-called “white nights” are observed over the lake, occurring on May 25-26, when the sun drops below the horizon by no more than 9°, and the evening twilight practically merges with the morning. The white nights end on July 16-17.

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35 rivers flow into Lake Ladoga The largest river, which flows into it is the Svir River, which carries water from Lake Onega into it. Water also enters the lake through the Vuoksa River from Lake Saimaa, and through the Volkhov River from Lake Ilmen. The Morye, Avloga, and Burnaya rivers also flow into it.

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River Svir

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    There are about 660 islands on Lake Ladoga

    The most famous on Lake Ladoga are the Valaam Islands - an archipelago of about 50 islands with an area of ​​about 36 km², due to the location of the Valaam Monastery on the main island of the archipelago. Also known is the island of Konevets, on which the monastery is also located.

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    Valaam Islands Valaam Monastery.

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    Flora and fauna

    Northern and east coast Lake Ladoga belongs to the middle taiga subzone, and the southern and western lakes belong to the southern taiga subzone. The middle taiga is characterized by blueberry spruce forests without undergrowth, with a closed tree stand and a continuous cover of shiny green mosses. The subzone of the southern taiga is dominated by dark coniferous species with an undergrowth, where linden, maple, and elm are sometimes found, a herbaceous layer appears with the participation of oak forest grasses, and the moss cover is less developed than in the middle taiga. The most typical type of forest is spruce-sorrel forests.

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    The lake is rich in freshwater fish, which go into the rivers to spawn. Lake Ladoga is home to 53 species and varieties of fish: Ladoga slingshot, salmon, trout, palia, whitefish, vendace, smelt, bream, raw fish, bluefish, silver bream, rudd, asp, catfish, pike perch, roach, perch, pike, burbot and others .

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    In the Ladoga region, 256 species of birds belonging to 17 orders are regularly found. More than 50 bird species have been recorded here during transit migration in spring and autumn. Migration connections of the Ladoga region cover the space from Iceland to India and from South Africa to Novaya Zemlya. The most attractive areas for birds are the southern Ladoga region.

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    Swans, geese, ducks, waders, gulls, terns, cranes and rails are found here on migration, as well as the nesting grounds of dabbling ducks, tufted ducks, red-headed ducks, gulls, terns, great and middle curlews, godwit, herbal duck, golden plover and others waders, gray crane, white-tailed eagle, osprey, falcon, eagle owl, great gray owl, short-eared owl and a number of other birds

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    The lake is navigable and is part of the waterway that is part of the Volga-Baltic Waterway and the White Sea-Baltic Canal. The most intensive vessel traffic occurs in the south of the lake from the river. Lake Ladoga, despite the cold water even in summer, attracts many vacationers: there are good beaches from the Neva to the Svir River.

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    Shipping on Ladoga has been known since ancient times. In the 9th-12th centuries, a water trade route “from the Varangians to the Greeks” passed through it, connecting Northern Rus' with Southern Russia, Scandinavia and the Baltic states with Byzantium. Ladoga acquired its most intensive transport significance in Peter's times. Shipyards and canals began to be built on the shores of the lake. At the beginning of the 18th century, Lake Ladoga was connected to the Upper Volga by a canal system. But frequent disturbances have long been a huge obstacle to shipping. At the mouth of the Volkhov, sometimes up to 500 ships gathered in anticipation of favorable weather. This was the reason for the construction of south coast Ladoga bypass channels. During the Great Patriotic War transportation along Ladoga was the only link between besieged Leningrad and the country. During navigation, transportation was carried out by the Ladoga flotilla, and in winter a route was laid across the ice of the lake. highway, called "Road of Life". In total, during the blockade, about 1 million people were evacuated to the rear through Lake Ladoga and 1.7 million tons of cargo were transported. Shipping on Ladoga has been known since ancient times. In the 9th-12th centuries, a water trade route “from the Varangians to the Greeks” passed through it, connecting Northern Rus' with Southern Russia, Scandinavia and the Baltic states with Byzantium. Ladoga acquired its most intensive transport significance in Peter's times. Shipyards and canals began to be built on the shores of the lake. At the beginning of the 18th century, Lake Ladoga was connected to the Upper Volga by a canal system. But frequent disturbances have long been a huge obstacle to shipping. At the mouth of the Volkhov, sometimes up to 500 ships gathered in anticipation of favorable weather. This was the reason for the construction of bypass canals along the southern shore of Ladoga. During the Great Patriotic War, transportation along Ladoga was the only link between besieged Leningrad and the country. During navigation, transportation was carried out by the Ladoga flotilla, and in winter, a road was built across the ice of the lake, called the “Road of Life.” In total, during the blockade, about 1 million people were evacuated to the rear through Lake Ladoga and 1.7 million tons of cargo were transported.

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    Shipping on Ladoga has been known since ancient times. In the 9th-12th centuries, a water trade route “from the Varangians to the Greeks” passed through it, connecting Northern Rus' with Southern Russia, Scandinavia and the Baltic states with Byzantium. Ladoga acquired its most intensive transport significance in Peter's times. Shipyards and canals began to be built on the shores of the lake. At the beginning of the 18th century, Lake Ladoga was connected to the Upper Volga by a canal system. But frequent disturbances have long been a huge obstacle to shipping. At the mouth of the Volkhov, sometimes up to 500 ships gathered in anticipation of favorable weather. This was the reason for the construction of bypass canals along the southern shore of Ladoga. During the Great Patriotic War, transportation along Ladoga was the only link between besieged Leningrad and the country. During navigation, transportation was carried out by the Ladoga flotilla, and in winter, a road was built across the ice of the lake, called the “Road of Life.” In total, during the blockade, about 1 million people were evacuated to the rear through Lake Ladoga and 1.7 million tons of cargo were transported. Shipping on Ladoga has been known since ancient times. In the 9th-12th centuries, a water trade route “from the Varangians to the Greeks” passed through it, connecting Northern Rus' with Southern Russia, Scandinavia and the Baltic states with Byzantium. Ladoga acquired its most intensive transport significance in Peter's times. Shipyards and canals began to be built on the shores of the lake. At the beginning of the 18th century, Lake Ladoga was connected to the Upper Volga by a canal system. But frequent disturbances have long been a huge obstacle to shipping. At the mouth of the Volkhov, sometimes up to 500 ships gathered in anticipation of favorable weather. This was the reason for the construction of bypass canals along the southern shore of Ladoga. During the Great Patriotic War, transportation along Ladoga was the only link between besieged Leningrad and the country. During navigation, transportation was carried out by the Ladoga flotilla, and in winter, a road was built across the ice of the lake, called the “Road of Life.” In total, during the blockade, about 1 million people were evacuated to the rear through Lake Ladoga and 1.7 million tons of cargo were transported.

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    Ladoga lake. Interdisciplinary project “ECOLOGICAL PROBLEMS OF LAKE LADOGA”. Subjects: ecology, biology, chemistry, geography.

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      PROBLEMS OF LAKE LADOGA" Subjects: ecology, biology, chemistry, geography. Project goal: to study the degree of water pollution in Lake Ladoga, identify the causes of pollution, and propose measures to improve ecological state reservoir with the involvement of environmental organizations.

      Work in a team of 6 people. Preparation of a model of Ladoga as a visual aid for ecology and geography lessons. Preparation of a theoretical basis for the issue (study of the history and geography of the lake, biological and chemical-ecological aspects of the life of the reservoir).

      Stage 1: studying specialized literature, information from the Internet, personal trips to Ladoga, photographing the lake and surrounding nature. Stage 2: identification of sources of pollution and description of environmental activities on the territory of Lake Ladoga (presentation). Stage 3: organization and performance at the city interactive event “Let’s Save natural heritage!”, dedicated to Earth Day.

      Due to the environmental situation in Ladoga, it was proposed to eliminate garbage dumps on the territory of Lake Ladoga and install containers. local businesses are encouraged to install smoke eliminators and wastewater treatment plants.

      Lake Ladoga About 600 industrial enterprises (Volkhov chemical plant, boiler houses, petrochemical production, as well as vehicles, burning landfills), including pulp and paper mills (Syasky pulp and paper plant, Svetogorsk and Priozersky (closed in 1986) paper mills) and several hundred agricultural enterprises discharge industrial wastewater into Ladoga and its tributaries. Ladoga is considered a moderately polluted body of water and is assigned class III.

      Volkhov Chemical Plant Morozovsky Chemical Plant on the map Okhtinsky Chemical Plant

      Chemical plant When the Volkhov Aluminum Plant was being built, no one was worried about the Ladoga problem. Moreover, it was believed that nitrogen and phosphorus are food for algae, and therefore for everything living in the lake. They didn’t think about the problems of eutrophization then, but it was nitrogen and phosphorus that brought the lake to the brink of death. In the late 80s - early 90s, every year the Volkhov Stream brought “water” to Ladoga, each liter of which contained 45 milligrams of phosphates, 12.5 milligrams of sulfates, 0.21 milligrams of fluorine... Such a “gift” can kill all living things. It is estimated that about 7,000 tons of phosphorus enter the lake annually.

      Chemical plant Fluoroplastic is a polymer material produced chemically. Fluoroplastic contains fluorine atoms, due to which it has high chemical resistance. The strongest oxidizing agents have no effect on it even with high temperatures. Fluoroplastic is poorly soluble or insoluble in many organic solvents, and is insoluble in water and is not wetted by it. Fluoroplastic is intended for the manufacture of products and films with high dielectric properties, resistance to strong aggressive environments and operating at temperatures up to plus 260 degrees Celsius.

      Plant “Ladoga” Trailer Company on the map Sredne-Nevsky Shipbuilding Plant

      Trailers Products: Tank trucks for the transportation of gasoline and diesel fuel. Thermally insulated tank trucks for the transportation of fuel oil, bitumen, oil. Tank semi-trailers for the transportation of gasoline and diesel fuel. Tank semi-trailers for the transportation of oil, fuel oil, bitumen. Tank semi-trailers for the transportation of bulk cargo .Tank semi-trailers made of aluminum for transporting gasoline and diesel fuel.

      The plant Currently, the plant is building missile boats, minesweepers, passenger and work vessels for various purposes and is preparing for the large-scale construction of a new generation of mine-resistant ships. It is the main polluter of Ladoga with petroleum products.

      Lake The ichthyofauna of Lake Ladoga is represented by 14 families: lampreys, sturgeon, salmon, grayling, smelt, pike, carp, loach, catfish, eels, cod, stickleback, perch and sculpin. There are 53 species and varieties of fish in Ladoga.

      Skerries near the northwestern and north coast Lake Ladoga. Until 2009 it was natural Park, and on this moment it is considered a national park.

      They say it right: don’t spit in the well. “Lake Ladoga may soon become unsuitable for drinking water supply,” says the head of Vodokanal St. Petersburg. “Ladoga is the only source of drinking water supply for St. Petersburg.” And not only for St. Petersburg. In total, it supplies drinking water to approximately 15-20 million people. The draft law “On the protection of Lake Ladoga” has reached the State Duma for the second time. Arkhip Ivanovich Kuindzhi. The first Russian painter to paint a picture of Lake Ladoga in 1873 was A.I. Kuindzhi

      Was selected from the sites: Worked on the project: Students: Gudzyk N. Shevchenko A. Zimarina A. Romanova N. Ershova A. Yanush S. Ermakov P. Supervisor: Balysheva I.L. www.moominclub.ru Ladoga-art.html. Ladoga-park.ru\content www.ecosystema.ru

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