Pöyrysjärvi (Myrskylä)

Pöyrysjärvi is a lake surrounded by the open bog on the border are of the town of Orimattila and municipality of Myrskylä. It is classed 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.[1]

Pöyrysjärvi
Panorama view from the northern beach
Pöyrysjärvi is located in Finland
Pöyrysjärvi
Pöyrysjärvi
Locationsoutheastern Finland
Coordinates60°42′53.70″N 25°50′6.90″E
Primary outflowsKoskenkylänjoki
Basin countriesFinland
Surface area0.02 km2 (0.0077 sq mi)
Average depth3 m (9.8 ft)
Max. depth4 m (13 ft)
Surface elevation61.3 m (201 ft)
SettlementsMyrskylä, Orimattila

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

Environmental issues

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

  1. "Kalatalouden Keskusliitto". www.ahven.net. Archived from the original on 2002-09-17.

Sources

  • Jarviwiki


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