The Object Of The Acquisition Is A Survey Of The State Of The Pearl Mussel Population (Ptt), Including Measurements Of The Redox Potential. The Subjects Of The Tender Request Are: 1. Ala-Haapuanoja, Pudasjärvi, (Approx. 2.6 Km), Ptt And Redox Measurements. The State Of The Population Was Investigated In 2006 (Bio Passage - Markku Porkka)2. Kostonlamminoja, Taivalkoski (1.6 Km), Ptt And Redox Measurements. No Previous Research. Total Calculation.3. Mutajoki, Paltamo (1.2 Km) Ptt, The Same Random Lines (19 Pcs) As In 2020 (Alleco Oy) And Redox Measurements.4. Joutenjoki, Puolanka (2.6 Km) Ptt And Redox Measurements, No Previous Research.5. Littosjoki Lower Part, Inari (2.7 Km). Ptt, The Upper And Lower Limits Of The Occurrence Are Known.6. The River Descending From Pikku-Luirojärvi, Sodankylä (5.9 Km). Ptt, The Upper And Lower Limits Of The Occurrence Are Known.7. Molkolamminja, Rovaniemi (3.7 Km). Ptt, Only The Upper Limit Of The Deposit Is Known, But Based On The Restoration Plan (2022) Made By Laplands Ely Center, The Deposit Would Be Limited To The Upper Half Of The River (Approx. 2 Km). The Restoration Plan Will Be Provided Upon Request. Regarding Kostonlammenoja (Item 2), The Preliminary Results Must Be Ready By July 15, 2026 Or Immediately After The Completion Of The Ptt, Since The Restoration Of The Stream Is Planned To Be Carried Out In The Summer Of 2026.
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