Girish Mahajan (Editor)

Pöyrysjärvi (Myrskylä)

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Location
  
southeastern Finland

Basin countries
  
Finland

Average depth
  
3 m (9.8 ft)

Surface elevation
  
61 m

Mean depth
  
3 m

Primary outflows
  
Koskenkylänjoki

Surface area
  
0.02 km (0.0077 sq mi)

Max. depth
  
4 m (13 ft)

Area
  
2 ha

Cities
  
Myrskylä, Orimattila

Pöyrysjärvi is a lake surrounded by the open bog on the border are of the town of Orimattila and municipality of Myrskylä. It is classied as a precious natural reserve in Päijänne Tavastia county. Apart from that the city of Orimattila classifies it as an important object for teaching of marsh types and its fauna.

Contents

Map of P%C3%B6yrysj%C3%A4rvi, Finland

The other lakes connected to the Myrskylänjoki watershed are Isojärvi, Vähäjärvi, Muttilanjärvi, Siippo, Sopajärvi, Kirkkojärvi ja Sulkavanjärvi.

Environmental issuesEdit

The town of Orimattila measures every fifth or sixth year some parametres related to the water. 10 July 2006 the results were:

  • solids: 0,029 g/l
  • oxygen-%: 24.0 (on the surface) / 8.87 ml/l (on the surface), 11.3% (on the bottom) / 1.1 ml/l (on the bottom)
  • Redox pot. (Mv): 307.0
  • pH: 4.2
  • total phosphor: 15 μg/l
  • total nitrogen: 380 μg/l
  • total chlorophyll: 15 μg/l

    • References

    Pöyrysjärvi (Myrskylä) Wikipedia
    (Text) CC BY-SA