Rezerwat przyrody Jasne, Nature reserve in northern Poland.
The Jasne Nature Reserve features a dystrophic lake with brown water caused by high concentrations of dissolved organic materials and specific water chemistry.
The reserve belongs to Poland's network of 1,469 protected areas established since the late 19th century to preserve natural ecosystems across the country.
Environmental scientists conduct research in the reserve to study aquatic ecosystems, contributing to the understanding of climate change effects on water bodies.
Visitors can explore designated trails around the lake while observing various plant species, including peat-forming vegetation and specialized aquatic organisms.
The lake's distinct brown coloration results from natural processes involving dissolved organic matter, creating conditions for specialized flora and fauna.
GPS coordinates: 53.74333,19.55250
Latest update: March 9, 2025 17:30
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