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Vortsjarv catchment (Estonia)
Monitoring data from streams on Lake Vortsjarv catchment area dating back 1996. Measured parameters include hydrochemistry,fishes, macrozoobenthos, macrophytes, benthic diatoms,...
እንዲሁም ይሄን ኤፒአይ በመጠቀም ይህን መዝገብ መድረስ ይችላሉ። (see የኤፒአይ ሰነዶችን ተመልከት)