Trophic status of Lake Ilmen (2003– 2020)

نویسندگان

چکیده

Lake Ilmen is one of the most productive lakes in northwestern part European Russia. The purpose study was to assess trophic status period 2003–2020 based on two different indicators. index (ITS) calculated from hydrochemical indicators: pH value and percentage water saturation with oxygen. other indicator average annual concentration total phosphorus. Interannual ITS values for 2003 2020 were determined. input calculations data lake monitoring regularly conducted by North-Western Department Hydrometeorology Environmental Monitoring. It has been established that specified mainly characterized as eutrophic except years 2006, 2008, 2017, 2019, when it mesotrophic. According phosphorus 2003, hypertrophic, 2018 mesotrophic, while eutrophic. advisable apply results decision-making reducing anthropogenic loading lake.

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ژورنال

عنوان ژورنال: ????? ??????????? ???????? ?????? ?????????? ???????? ????

سال: 2022

ISSN: ['1997-3217', '2312-4504']

DOI: https://doi.org/10.17076/lim1555