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

About bogs Around 7000 bogs in Estonia Up to 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 –Terrestrialization Inosculation of a water body –Paludification Ground over saturated Bog –Final stage –Huge water supplies –Water can be hidden underground

Pihla bog Biggest bog in Hiiumaa –About 3050 ha Almost unhabited –Rare plants –Different animals

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

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

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

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