TheWoE risk assessment indicated that R. Vöyrinjoki, R. Kyrönjoki 1, 2 and 3 and R. Laihianjoki were the ones most likely suffering from ASS related metal leaching and acid run-off in case no remediation activities will be implemented. The final risk class was high in these estuaries (Table 5), thus probability of considerable deviation from the environmental objectives (good ecological and chemical status) is high. Moderate risk class was assigned to the estuaries of R. Lapuanjoki, R. Maalahdenjoki 1 and R. Närpiönjoki. Risk class was assigned as low in the estuaries of R. Perhonjoki, R. Ähtävänjoki, R. Maalahdenjoki 1 and 2 and R. Lapväärtinjoki. Estuary of R. Lestijoki was the only subject area where ASS related effects were estimated to be negligible.
TheWoE risk assessment indicated that R. Vöyrinjoki, R. Kyrönjoki 1, 2 and 3 and R. Laihianjoki were the ones most likely suffering from ASS related metal leaching and acid run-off in case no remediation activities will be implemented. The final risk class was high in these estuaries (Table 5), thus probability of considerable deviation from the environmental objectives (good ecological and chemical status) is high. Moderate risk class was assigned to the estuaries of R. Lapuanjoki, R. Maalahdenjoki 1 and R. Närpiönjoki. Risk class was assigned as low in the estuaries of R. Perhonjoki, R. Ähtävänjoki, R. Maalahdenjoki 1 and 2 and R. Lapväärtinjoki. Estuary of R. Lestijoki was the only subject area where ASS related effects were estimated to be negligible.
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