Groundwater and stream threshold values as a tool for compliance testing of groundwater and surface water chemical status and protection of the Baltic Sea – general principles and examples / Klaus Hinsby, Jens Christian Refsgaard, Rasmus Jakobsen, Anne L. Hansen, Jørgen E. Olesen, Przemysław WACHNIEW // W: The 3\textsuperscript{rd} BONUS symposium Sustainable ecosystem governance under changing climate and land use in the Baltic Sea Region : Gdańsk, 14‐16 March 2018 : book of abstracts. — [Gdańsk : s. n.], [2018]. — S. 73. — Toż na: {http://bonus2018.eu/wp-content/uploads/2017/03/Book-of-Abstract_Final.pdf}

Nitrogen leaching losses from two Baltic Sea catchments under scenarios of changes in land use, land management and climate / Jørgen E. Olesen, Dominika BAR-MICHALCZYK, Thomas Bosshard, Christen D. Børgesen, Anne Lausten Hansen, Mohamed Jabloun, Jens Christian Refsgaard, Przemysław WACHNIEW // W: The 3\textsuperscript{rd} BONUS symposium Sustainable ecosystem governance under changing climate and land use in the Baltic Sea Region : Gdańsk, 14‐16 March 2018 : book of abstracts. — [Gdańsk : s. n.], [2018]. — S. 37. — Toż na: {http://bonus2018.eu/wp-content/uploads/2017/03/Book-of-Abstract_Final.pdf}

Nutrient retention in a remediated stream – evaluation of a tracer experiment with $^{15}N$, $^{32}P$ and $^3H$ / Joakim Riml, Ida Morén, Anders Wörman, Damian ZIĘBA, Przemysław WACHNIEW // W: The 3\textsuperscript{rd} BONUS symposium Sustainable ecosystem governance under changing climate and land use in the Baltic Sea Region : Gdańsk, 14‐16 March 2018 : book of abstracts. — [Gdańsk : s. n.], [2018]. — S. 84. — Toż na: {http://bonus2018.eu/wp-content/uploads/2017/03/Book-of-Abstract_Final.pdf}

Pomiary pełnego składu izotopowego dobowych opadów atmosferycznych w Krakowie i na Kasprowym Wierchu z wykorzystaniem spektrometru Picarro L2140-i — [Triple isotope analyses of daily precipitation in Krakow and Kasprowy Wierch with the use of Picarro L2140-i spectrometer] / A. PIERCHAŁA, M. DULIŃSKI, Ł. Chmura, P. Kukiełka, P. WACHNIEW, K. RÓŻAŃSKI, Z. GORCZYCA, R. CZUB // W: Nowoczesne metody instrumentalne w analizie śladowej : XXIII konferencja : Kraków, 10–11 grudnia 2018 / red. nauk. Małgorzata Iwona Szynkowska, Sławomir Garboś. — [Polska : s. n.], [2018]. — ISBN: 978-83-65870-13-1. — S. 29. — A. Pierchała, M. Duliński, P. Kukiełka, P. Wachniew, K. Różański, Z. Gorczyca, R. Czub – afiliacja: Akademia Górniczo-Hutnicza

Reducing nutrient loads from agricultural soils to the Baltic Sea via groundwater and streams / Jens Christian Refsgaard, Jørgen E. Olesen, Przemysław WACHNIEW, Anders Wörman, Alena Bartosova, Nico Stelljes, Hubert De Jonge, Boris Chubarenko, Rasmus Jakobsen // W: The 3\textsuperscript{rd} BONUS symposium Sustainable ecosystem governance under changing climate and land use in the Baltic Sea Region : Gdańsk, 14‐16 March 2018 : book of abstracts. — [Gdańsk : s. n.], [2018]. — S. 8. — Toż na: {http://bonus2018.eu/wp-content/uploads/2017/03/Book-of-Abstract_Final.pdf}. — Tytuł poprzedzono nazwą projektu: BONUS SOILS2SEA

Spatially differentiated regulation measures – can it save the Baltic Sea from excessive nutrient loads, and is it possible? / Jens Christian Refsgaard, [et al.], Przemysław WACHNIEW, [et al.] // W: The 3\textsuperscript{rd} BONUS symposium Sustainable ecosystem governance under changing climate and land use in the Baltic Sea Region : Gdańsk, 14‐16 March 2018 : book of abstracts. — [Gdańsk : s. n.], [2018]. — S. 49. — Toż na: {http://bonus2018.eu/wp-content/uploads/2017/03/Book-of-Abstract_Final.pdf}

Two dimensions of nitrate pollution management in an agricultural catchment / P. WACHNIEW, [et al.], D. BAR-MICHALCZYK, J. KANIA, G. MALINA, T. MICHALCZYK, K. RÓŻAŃSKI, S. WITCZAK, D. ZIĘBA, A. J. ŻUREK, [et al.] // W: The 3\textsuperscript{rd} BONUS symposium Sustainable ecosystem governance under changing climate and land use in the Baltic Sea Region : Gdańsk, 14‐16 March 2018 : book of abstracts. — [Gdańsk : s. n.], [2018]. — S. 47. — Toż na: {http://bonus2018.eu/wp-content/uploads/2017/03/Book-of-Abstract_Final.pdf}. — D. Bar-Michalczyk, T. Michalczyk - dod. afiliacja: WGGiOŚ

Utilising data and studies within the Baltic Sea Basin to develop a map for nitrogen reduction in groundwater / Anker Lajer Højberg, Anne Lausten Hansen, Przemysław WACHNIEW, Anna J. ŻUREK, Seija Virtanen, Jurga Arustiene, Johan Strömqvist, Katri Rankinen, Jens Christian Refsgaard // W: The 3\textsuperscript{rd} BONUS symposium Sustainable ecosystem governance under changing climate and land use in the Baltic Sea Region : Gdańsk, 14‐16 March 2018 : book of abstracts. — [Gdańsk : s. n.], [2018]. — S. 22. — Toż na: {http://bonus2018.eu/wp-content/uploads/2017/03/Book-of-Abstract_Final.pdf}