1.ivaylo ivaylov-natural-water-resources-of-bg-october
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Natural water resources in Bulgaria include over 500 rivers and lakes. The largest reservoir is the Iskar Reservoir, which provides 2/3 of water for Sofia and has a total volume of 673 million cubic meters. The longest river is the Maritsa River at 480 km, which flows through southern Bulgaria and is used for power and irrigation. Lake Burgas is the largest natural lake, covering 27.6 square km and home to diverse wildlife, though it has faced pollution issues from nearby industry. Both natural occurrences and human activities like pollution and overuse present challenges to Bulgaria's water resources.
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Manchhar Lake is Pakistan's largest freshwater lake, located in Sindh province. It is oval-shaped and varies in size from 30 to 200 square miles depending on the season. The lake faces severe pollution problems from toxic waste discharged through drains, which has reduced its biodiversity and bird populations. Efforts are needed to reduce pollution and protect this important wetland habitat.
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Manchhar Lake is Pakistan's largest freshwater lake, located in Sindh province. It is oval-shaped and varies in size from 30 to 200 square miles depending on the season. The lake faces severe pollution problems from toxic waste discharged through drains. This waste has turned the lake water green and toxic, reducing the fish population and number of migratory birds that visit. Efforts are needed to reduce pollution and save this important habitat.
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Manchhar Lake is Pakistan's largest freshwater lake, located in Sindh province. It is oval-shaped and varies in size from 30 to 200 square miles depending on the season. The lake faces severe pollution problems from toxic waste discharged through drains, which has reduced the number of migratory birds from 20,000-30,000 to much lower levels and made the water unsuitable for humans and fish. Efforts are needed to reduce pollution and protect the biodiversity of this once-beautiful lake and habitat.
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1.ivaylo ivaylov-natural-water-resources-of-bg-october
- 1. Natural water resources of Bulgaria Prepared by Ivaylo Ivaylov, XI “a” grade
- 2. You are about to see: Number of resources The Iskar Reservoir The Maritsa river Lake Burgas Problems Solutions
- 3. Number of resources 0 50 100 150 200 250 300 350 400 450 500 Danubian Plain Upper Thracian Lowland Balkan Mountains The Rhodopes Rila and Pirin Osogovo and Belasitsa 35 53 340 390 490 330
- 4. The Iskar Reservoir General characteristics • The Iskar Reservoir is the largest reservoir in Bulgaria; • It has a total volume of 673 million m3; • 580 million m3 are in use and the rest is reserve; • The reservoir has a drainage basin of 1,046 km² and is 25 km long.
- 5. The Iskar Reservoir Location • It is situated on the Iskar River; • The Iskar Reservoir is 820 m above sea level; • Its dam is 204 m long and 76 m high.
- 6. The Iskar Reservoir Importance, usage and protection • The reservoir is used for producing hydroelectricity; • It provides 2/3 of the water for the capital city Sofia.
- 7. The Maritsa river General characteristics Maritsa is, with a length of 480 km, the longest river that runs solely in the interior of the Balkans.
- 8. The Maritsa river Location It has its origin in the Rila Mountains in Western Bulgaria, flowing southeast between the Balkan and Rhodope Mountains, past Plovdiv and Parvomay to Edirne, Turkey.
- 9. The Maritsa river Importance, usage and protection The river is used for power production and irrigation.
- 10. Lake Burgas General characteristics • Lake Burgas (or Lake Vaya) is the largest natural lake in Bulgaria, with an area of 27.60 km²; • It is up to 34 m deep; • The lake's waters contain relatively little salt (about 4-11%).
- 11. Lake Burgas Location It is located near the Black Sea west of the city of Burgas.
- 12. Lake Burgas Importance, usage and protection Lake Burgas is inhabited by a wide variety of species, including 23 types of fish, 60 invertebrates and 254 bird species (of which 61 are endangered in Bulgaria and 9 in the world).
- 13. Lake Burgas Importance, usage and protection Lake Burgas lost much of its economic importance after the construction of the petrochemical plant near the city, but it has witnessed an increasing number of species and decreasing pollution in recent years.
- 14. Problems Occurring naturally Caused by humans Floods Water deficit for water supply and irrigation Illegal use of water Irrational use of water Pollution Droughts
- 15. Solutions Multiple use of water Watercourses leakage reduction Water treatment plants
- 17. Thank you for your attention!