26056 Ilmanlaadun bioindikaattoritutkimus

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We request a written tender for conducting the bioindicator study of the Seinäjoki region in 2027. The study will be carried out in the Seinäjoki and Ilmajoki areas with a denser observation plot network, and additionally with a sparse observation plot network in other municipalities of South Ostrobothnia. Bioindicator studies have previously been conducted in the Seinäjoki area in 1990 (Engineering Office Paavo Ristola), 1995 (Finnish Meteorological Institute), and in 2000 (Finnish Forest Research Institute). In 2006–2007, a bioindicator study was carried out in the entire area of the Western Finland Environmental Center, implemented by the Environmental Research Center of the University of Jyväskylä. In 2012, the Seinäjoki region commissioned its own bioindicator study, which included a total of 95 pine observation plots, 41 moss sample plots, and 4 moss ball plots. Of the pine observation plots, 35 were located in other municipalities of South Ostrobothnia, and the remaining sample plots were located in the Seinäjoki and Ilmajoki areas similarly to previous studies. The 2017 bioindicator study of the Seinäjoki region included 97 pine observation plots, of which 57 were in the…

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