Dr. Agnieszka Jędruch

2025 – present	Co-head at the International Baltic Earth Secretariat, Sopot, Poland
2021 – present	Assistant professor at the Institute of Oceanology of the Polish Academy of Sciences, Sopot, Poland
2020 – 2021	Chemist at the Institute of Oceanology of the Polish Academy of Sciences, Sopot, Poland
2019 – 2022	Postdoctoral researcher at Institute of Oceanography of the University of Gdańsk, Gdynia, Poland
2018 – 2019	Postgraduate studies in Geographic Information Systems at the University of Gdańsk, Gdynia, Poland
2012 – 2018	Environmental Doctoral Studies at the University of Gdańsk, Gdynia, Poland
2010 – 2012	Master’s studies in Oceanography (Marine and atmospheric chemistry) at the University of Gdańsk, Gdynia, Poland
2007 – 2012	Bachelor’s studies in Oceanography (Marine geology) at the University of Gdańsk, Gdynia, Poland

Korejwo E., Saniewska D., Jędruch A., Zgrundo A., Bielecka L., Paneth P., Bałazy P., Bełdowski J., Saniewski M., 2025. Mercury, Methylmercury, and Its Fractions at the Base of the Trophic Pyramid of the Maritime Antarctic Ecosystem of Admiralty Bay. Journal of Hazardous Materials (in press), 138268. https://doi.org/10.1016/j.jhazmat.2025.138268

Jędruch A., Korejwo E., Siedlewicz G., Cichecka A., Bełdowski J., 2025. Impact of sediment resuspension on near-bottom mercury dynamics: Insights from a Baltic Sea experiment. Journal of Hazardous Materials 487, 137259. https://doi.org/10.1016/j.jhazmat.2025.137259

Jędruch A., Bełdowski, J., Bełdowska, M., 2024. Mercury dynamics at the base of the pelagic food web of the Gulf of Gdańsk, southern Baltic Sea. Marine Pollution Bulletin 202, 116363. http://doi.org/10.1016/j.marpolbul.2024.116363   

Korejwo E., Panasiuk A., Wawrzynek-Borejko J., Jędruch A., Bełdowski J., Paturej A., Bełdowska M., 2023. Mercury concentrations in Antarctic zooplankton with a focus on the krill species, Euphausia superba. Science of the Total Environment 905, 167239. http://doi.org/10.1016/j.scitotenv.2023.167239

Kwasigroch U., Łukawska-Matuszewska K., Jędruch A., Brocławik O., Bełdowska M., 2023. Mobility and bioavailability of mercury in sediments of the southern Baltic Sea in relation to the chemical fractions of iron: Spatial and temporal patterns. Marine Environmental Research 191, 106132. https://doi.org/10.1016/j.marenvres.2023.106132

Jędruch A., Falkowska L., Saniewska D., Grajewska A., Bełdowska M., Meissner W., Kalisińska E., Duzinkiewicz K., Pacyna J.M., 2023. Mercury in the Polish part of the southern Baltic Sea: A response to decreased atmospheric deposition and changing environment. Marine Pollution Bulletin 186, 114426. https://doi.org/10.1016/j.marpolbul.2022.114426

Graca B., Jędruch A., Bełdowska M., Bełdowski J., Kotwicki L., Siedlewicz G., Korejwo E., Popińska W., Łukawska-Matuszewska K., 2022. Effects of beach wrack on the fate of mercury at the land-sea interface – A preliminary study. Environmental Pollution 315, 120394. https://doi.org/10.1016/j.envpol.2022.120394

Bełdowska M., Bełdowski J., Kwasigroch U., Szubska M., Jędruch A., 2022. Coastal cliff erosion as a source of toxic, essential, and nonessential metals in the marine environment. Oceanologia 64, 553-566. https://doi.org/10.1016/j.oceano.2022.04.001

Bełdowska M., Jędruch A., Saniewska D., 2022. Rtęć jako najbardziej toksyczny metal w Zatoce Puckiej. In: Bolałek J., Burska D. (Eds.), Zatoka Pucka. Tom II Aspekty chemiczne. Gdańsk: University of Gdańsk Press, 182-211 (in Polish).

Jędruch A., 2022. Trophic transfer of mercury in a temperate marine food web, southern Baltic Sea. Proceedings of the 7th International Conference on Environmental Pollution, Treatment and Protection, 10-12.04.2022, Virtual conference, 173. https://doi.org/10.11159/iceptp22.173   

Bełdowska M., Jędruch A., Sieńska D., Chwiałkowski W., Magnuszewski A., Kornijów R., 2021. The impact of sediment, fresh and marine water on the concentration of chemical elements in water of ice-covered lagoon. Environmental Science and Pollution Research 28, 61189-61200. https://doi.org/10.1007/s11356-021-14936-w

Sokołowski A., Jankowska E., Bałazy P., Jędruch A., 2021. Distribution and extent of benthic habitats in Puck Bay (Gulf of Gdańsk, southern Baltic Sea). Oceanologia 63, 301-320. https://doi.org/10.1016/j.oceano.2021.03.001

Jędruch A., Falkowska L., Saniewska D., Durkalec M., Nawrocka A., Kalisińska E., Kowalski A., Pacyna J.M., 2021. Status and trends of mercury pollution of the atmosphere and terrestrial ecosystems in Poland. Ambio: A Journal of Environment and Society 50, 1698-1717. https://doi.org/10.1007/s13280-021-01505-1

Kwasigroch U., Bełdowska M., Jędruch A., Łukawska-Matuszewska K., 2021. Distribution and bioavailability of mercury in the surface sediments of the Baltic Sea. Environmental Science and Pollution Research 28, 35690-35708. https://doi.org/10.1007/s11356-021-13023-4

Jędruch A., Bełdowska M., 2020. Mercury forms in the benthic food web of a temperate coastal lagoon (southern Baltic Sea). Marine Pollution Bulletin 153, 110968. https://doi.org/10.1016/j.marpolbul.2020.110968

Jędruch A., Bełdowska M., Kwasigroch U., 2019. Forms of mercury in the Baltic mussel (Mytilus trossulus): Human and ecosystem health risk assessment. Environmental Research 179, 108755. https://doi.org/10.1016/j.envres.2019.108755

Jędruch A., Bełdowska M., Ziółkowska M., 2019. The role of benthic macrofauna in the trophic transfer of mercury in a low-diversity temperate coastal ecosystem (Puck Lagoon, southern Baltic Sea). Environmental Monitoring and Assessment 191, 137. https://doi.org/10.1007/s10661-019-7257-y

Jędruch A., Bełdowska M., Kwasigroch U., Normant-Saremba M., Saniewska D., 2018. Mercury fractionation in marine macrofauna using thermodesorption technique: Method and its application. Talanta 189, 534-542. https://doi.org/10.1016/j.talanta.2018.07.047

Jędruch A., Bełdowska M., Graca B., 2018. Seasonal variation in accumulation of mercury in the benthic macrofauna in a temperate coastal zone (Gulf of Gdańsk). Ecotoxicology and Environmental Safety 160, 305-316. https://doi.org/10.1016/j.ecoenv.2018.08.040

Kwasigroch U., Bełdowska M., Jędruch A., Saniewska D., 2018. Coastal erosion – A “new” land-based source of labile mercury to the marine environment. Environmental Science and Pollution Research 25, 28682-28694. https://doi.org/10.1007/s11356-018-2856-7

Jędruch A., Kwasigroch U., Bełdowska M., Kuliński K., 2017. Mercury in suspended matter – Origin, distribution and transport at the land-sea interface. Marine Pollution Bulletin 118, 354-367. https://doi.org/10.1016/j.marpolbul.2017.03.019

Bełdowska M., Jędruch A., Łęczyński L., Saniewska D., Kwasigroch U., 2016. Coastal erosion as a source of  mercury into the marine environment along the Polish Baltic shore. Environmental Science and Pollution Research 23, 16372-16382. https://doi.org/10.1007/s11356-016-6753-7

Bełdowska M., Jędruch A., Zgrundo M., Ziółkowska M., Graca B., Gębka K., 2016. The influence of cold season warming on the mercury pool in coastal benthic organisms. Estuarine, Coastal and Shelf Science 171, 99-105. https://doi.org/10.1016/j.ecss.2016.01.033

Jędruch A., Bełdowska M., 2016. Mercury in the zoobenthos of the coastal zone of the Puck Bay (southern Baltic Sea). Proceedings of the 18th International Conference on Heavy Metals in the Environment, 12-15.09.2016, Ghent. Open Journal Systems.

Kwasigroch U., Bełdowska M., Jędruch A., Łęczyński L., Szubska M., Bełdowski J., 2016. Concentrations and loads of metals (V, Cr, Mn, Fe, Cu, Zn, As, Rb, Y, Zr) from the cliff erosion to the Gulf of Gdansk. Proceedings of the 18th International Conference on Heavy Metals in the Environment, 12-15.09.2016, Ghent. Open Journal Systems.

Jędruch A., Bełdowski J., Bełdowska M., 2015. Long-term changes and distribution of mercury concentration in surface sediments of the Gdansk Basin (Southern Baltic Sea). Journal of Soils and Sediments 15, 2487-2497. https://doi.org/10.1007/s11368-015-1148-9

Bełdowska M., Jędruch A., Słupkowska J., Saniewska D., Saniewski M., 2015. Macrophyta as a vector of contemporary and historical mercury from the marine environment to the trophic web. Environmental Science and Pollution Research 22, 5228-5240. https://doi.org/10.1007/s11356-014-4003-4

Saniewska D., Bełdowska M., Bełdowski J., Jędruch A., Saniewski M., Falkowska L., 2014. Mercury loads into sea associated with extreme flood. Environmental Pollution 191, 93-100. https://doi.org/10.1016/j.envpol.2014.04.003

Jędruch A., 2014. Wpływ zmian klimatycznych na dopływ i obieg zanieczyszczeń w Morzu Bałtyckim. In: Kuczera M. (Ed.), Wpływ młodych naukowców na osiągnięcia polskiej nauki. Kraków: Creativetime, 12-14 (in Polish).

Bełdowska M., Jędruch A., Bełdowski J., Szubska M., Kobos J., Mudrak-Cegiołka S., Graca B., Zgrundo A., Ziółkowska M., Kiełczewska J., Lewandowska E., Wąsowska K., Falkowska L., 2013. Rtęć w strefie brzegowej Zatoki Puckiej (południowy Bałtyk). In: Falkowska L. (Ed.), Rtęć w środowisku – Identyfikacja zagrożeń dla zdrowia człowieka. Gdańsk: University of Gdańsk Press, 97-103 (in Polish).

Jędruch A., Bełdowska M., Falkowska L., 2013. Rtęć całkowita w osadach powierzchniowych Zatoki Gdańskiej. In: Falkowska L. (Ed.), Rtęć w środowisku – Identyfikacja zagrożeń dla zdrowia człowieka. Gdańsk: University of Gdańsk Press, 105-110 (in Polish).

Mudrak-Cegiołka S., Bełdowska M., Jędruch A., 2013. Zooplankton w badaniach rtęci w strefie przybrzeżnej Zatoki Gdańskiej. In: Falkowska L. (Ed.), Rtęć w środowisku – Identyfikacja zagrożeń dla zdrowia człowieka. Gdańsk: University of Gdańsk Press, 165-170 (in Polish).

Bełdowska M., Jędruch A., Bełdowski J., Szubska M., 2013. Mercury concentration in the sediments as a function of changing climate in coastal zone of Southern Baltic Sea – preliminary results. Proceedings of the 16th International Conference on Heavy Metals in the Environment, 22-27.09.2012, Rome. E3S Web of Conferences, 1, 06002. https://doi.org/10.1051/e3sconf/20130106002