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A Bog

A Bog. Anni Julge, Mari-Liis Rand, Kätlin Otto 2012. About bogs. Around 7000 bogs in Estonia Up to 10 000 years old Peat layer mostly 3 – 6 m. thick Bog walking Exotic bog – shoeing hikes all year round. Development of a bog. Swamp Less water More water on a surface Transitional marsh

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A Bog

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  1. A Bog Anni Julge, Mari-Liis Rand, Kätlin Otto 2012

  2. About bogs • Around 7000 bogs in Estonia • Up to 10 000 years old • Peat layer mostly 3 – 6 m. thick • Bog walking • Exotic bog – shoeing hikes all year round

  3. Development of a bog • Swamp • Less water • More water on a surface • Transitional marsh • Terrestrialization • Inosculation of a water body • Paludification • Ground over saturated • Bog • Final stage • Huge water supplies • Water can be hidden underground

  4. Pihla bog • Biggest bog in Hiiumaa • About 3050 ha • Almost unhabited • Rare plants • Different animals

  5. Beginnings of important watercourses • Thickest peat layer in Hiiumaa • About 4 m • Peat is also quarried

  6. Water analysis of Pihla bog • pH 6 • EU minimum value of swimming – pool water • Ammonium level 0,05 mg/l • Recommended level • EU drinking water • Swimming – pool water • Fish – bowl water • Phosphates level 0 mg/l

  7. Water analysis of Pihla bog • Nitrites level 0,02 mg/l • EU/USA drinking water • Fish – bowl water • Mineralwater • Nitrate level 10 mg/l • Maximum level of food making water • EU/USA drinking water • Fish – bowl water • Mineral water

  8. Thank you for your attention!

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