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Rivers & ecological problems

Rivers & ecological problems. Made by Florence , Marie, Delphine, Sarah, Lara, Laurence, Aurélie. 1. The Lys (Leie). Some information …. * Source : North-France, Lisbourg * Mouth : Gent, The Scheldt (Schelde) * Length : 202 km (109 km in Belgium)

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Rivers & ecological problems

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  1. Rivers & ecologicalproblems Made byFlorence, Marie, Delphine, Sarah, Lara, Laurence, Aurélie

  2. 1. The Lys (Leie)

  3. Some information …

  4. * Source : North-France, Lisbourg • *Mouth : Gent, The Scheldt (Schelde) • *Length : 202 km (109 km in Belgium) • * Country border Belgium & France (24 km)

  5. Functions (the Lys) *Agriculture : flax * Buffer * Water depository (againstfloodsandaidforagriculture

  6. History (the lys) * Spinning andweaving of flax *Favouriteplaceforpaintors * 3 battles ( Allies GermanArmy, WWI & WW2 )

  7. The Scheldt

  8. Some information…

  9. *Source:Gouy-Le-Câtelet ( North France ) • * Mouth:acrossAntwerp, towards the Northsea • *Length: 350 km (138 km canalised )

  10. *Employment at the harbour of Antwerp * Transport (-> navigation) * Carrying of surface water, household water andindustrial waste water * Important agricultural, ecological *Drinking-water Functions

  11. History * Commercial andstrategicimportance * Border between West & East empire * Closed (Spanish control) *Opened (French Revolutionary, 1972)

  12. *Collapsing of the dikes * The biodiversity * The Water level of the Scheldt *Floods Problems

  13. Solutions: * To Reinforce the insides of the dikes * A stability system * A reinforced concrete wall Collapsing of the dikes

  14. Solution: *Dredging the river The level of the water

  15. Biodiversity decreases

  16. Problems • Balance of nature • Endangered species • Problemsfor human life? Most important causes Biodiversitydecreases • Pollution • Climate changes

  17. Solutions • Pollution: • - Green energy - International agreements (Kyoto) - Clearing water • - STOP dumping of chemical waste • Climate changes:- Green energy- International agreements (Kyoto)- Decrease of energy Biodiversitydecreases

  18. Problems • Death • Damamage • In- or exclosure Solutions Floods • Dams • Locks • Decrease of energy • International agreements • Green energy

  19. Floods

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