PhD Student,
tel. +48 61 848 7724, room 340A

Scientific interests

amphibian ecology, farmland bird ecology – use of novel crops, urban ecology, biological conservation
Research Gate


GIS in biological research – for Biology students

Zoology – for Biology students


2013 – MSc in Biology with Ecology and Natural Resources Management, Adam Mickiewicz Univiersity in Poznań

Experience and employment

2013 – URS Polska sp. z o. o., 3-month internship in Department of Environmental Services

2014 onwards – PhD student in Institute of Zoology


2016: Competition and predation: interactions between anuran tadpoles and fish. Project funded by Polish Ministry of Science donation for development of young scientists. Project no. 507.511.60

2015: Bird use of novel energy crop, Miscanthus x giganteus. [Part of the project: Collection and analysis of pellets of birds of prey and predatory mammals: Investigation of the predator-prey systems and its crucial importance for functioning of terrestrial ecosystems.] Project funded by Polish Ministry of Science donation for development of young scientists. Project no. 507.511.32



Kaczmarek J. M., Tryjanowski P. Second generation energy crops and farmland birds? Central and East European perspective. Journal of Plant Protection Research 56(3), DOI: 10.1515/jppr-2016-0042

Kaczmarski M., Kaczmarek J.M. Heavy traffic, low mortality – tram tracks as terrestrial habitat of newts. Acta Herpetologica 11(2), 227-231


Kaczmarski M., Kaczmarek J.M. Changes in the batrachofauna in the city of Poznań over 20 years. In: URBAN FAUNA Animal, Man, and the City – Interactions and Relationships. Ed.: Piotr Indykiewicz & Jörg Böhner, pp.169-177

Kaczmarski M., Kaczmarek J. M. Six years of active conservation of amphibians in the city of Poznań, Poland. FrogLog 109

Head of the Laboratory, tel. 61 848 77 21, room: 26
ORCID ID: 0000-0002-3344-1094
Research gate

Area of study

– inland fisheries, aquaculture, fish nutrition, feed production technology, utilization of food industry by-products in feed for aquaculture;

– creation and management of experimental facilities for aquaculture;

– management skills in aquaculture systems;

– feed optimization and feed processing in experimental scale operations;

– invasive alien species of water ecosystems.


2010: DSc, Inland Fisheries Institute in Olsztyn

2002: PhD, Faculty of Biology and Animal Science, Poznan University of Life Sciences

1998: Master of science in animal sciences, Poznan University of Life Sciences

Experience and employment

2019-now: vice head of the Department of Zoology

2019-now: head of the Division of Inland Fisheries and Aquaculture

2019-now: assistant profesor, Division of Inland Fisheries and Aquaculture

2016-now: vice dean for studies, Faculty of Veterinary Medicine and Animal Science

2011-2019: vice director of the Institute of Zoology

2011-now: director of the Experimental Station of Feed Production Technology and Aquaculture in Muchocin

2009-2019: head of the Division of Inland Fisheries and Aquaculture

2002-2019: associate profesor, Division of Inland Fisheries and Aquaculture



2019: Medal of the 100th anniversary of the Academic Agricultural and Forest Studies

2010: Lecturer of the Year 2009/2010, Faculty of Animal Breeding and Biology at Poznan University of Life Sciences

2010: Director award for habilitation thesis, Inland Fisheries Institute in Olsztyn

1998: Medal of the Rector of the Agricultural University in Poznan “For achievements in studies”


Fish farming and breeding



Production technology of feeds for aquaculture

Fish health prophylaxis


2001-2002: Optimization of the composition, production technology and evaluation of the suitability of extruded feed mixtures in the feeding of Siberian sturgeon (Acipenser baeri Brandt 1869) – KBN – 6 P06E 044 20

2003-2004: The effect of the addition of probiotic preparations containing lactic acid bacteria on the growth performance and composition of the common carp intestinal microflora (Cyprinus carpio L.) – KBN – 3 P06Z 03324

2003-2004: “STAR”-Standarisation of river classifications: Framework method for calibrating different biological survey results against ecological quality classifications to be developed for the Water Framework Directive” – EU – EVK1-CT-2001-00089

2008-2010: Ichthyological inventory of selected tributaries of the Warta River – in cooperation with Polish Angling Association in Poznan

2010-2013: Possibilities of using small tributaries of the middle Warta River Basin for incubation of eggs and rearing of juvenile stages of salmonids fish – MNiSW – N N304 354139

2017-2019, Insects as novel protein sources for fish and poultry – TEAM TECH program of the Foundation for Polish Science

2018-2019: InnSecta: innovative technology for the production of feed materials based on insect biomass – NCBiR – European Founds Smart Growth

2019-2021: Innovative feed components in the nutrition of reophilic fish – optimization and increasing the efficiency of rearing juvenile stages – European Fisheries Fund Operational Program “Fisheries and Sea”

Papers in peer-reviewed journals

Zakęś Z., Przybył A., Woźniak M., Szczepkowski M., Mazurkiewicz J. (2004): Growth performance of juvenile pikeperch, Sander lucioperca (L.) fed graded levels of dietary lipids. Czech. J. Anim. Sci., 49(4): 156-163.

Przybył A., Mazurkiewicz J. (2004): Nutritive value of cereals in feeds for common carp (Cyprinus carpio L.). Czech. J. Anim. Sci., 49(7): 307-314.

Przybył A., Mazurkiewicz J., Wudarczak B., Molińska-Glura M., Moliński K. (2006). A usability trial of erythrocyte meal in feeding juveniles of common carp, Cyprinus carpio L. Acta. Ichthyol. et Piscat., 36(1): 57-63.

Przybył A., Mazurkiewicz J., Rożek W. (2006): Partial substitution of fish meal with soybean protein concentrate and extracted rapeseed meal in the diet of sterlet (Acipenser ruthneus). J. Appl. Ichthyol. 22 (1): 298-302.

Przybył A., Mazurkiewicz J., Golski J. (2008): Evaluation of selected feeds differing in dietary lipids levels in feeding juveniles of Wels catfish, Silurus glanis L. Acta Ichthyol. Piscat., 38 (2): 91-96.

Golski J., Przybył A., Mazurkiewicz J., Andrzejewski W., Trawiński J. (2010) Habitat variability and fish species structure in Kończak stream. Oceanological and Hydrobiological Studies, XXXIX, 4: 83-98.

Mazurkiewicz J., Przybył A., Czyżak-Runowska G. Łyczyński A. (2011) Cold-pressed rapeseed cake as a component of the diet of common carp (Cyprinus carpio L.): effects on growth, nutrient utilization, body composition and meat quality. Aquacult. Nutr., 17 (4): 387-394.

Grześkowiak Ł., Collado M.C., Vesterlund S., Mazurkiewicz J., Salminen S. (2011) Adhesion abilities of commensal fish bacteria by use of mucus model system: Quantitative analysis. Aquaculture, 318: 33-36.

Urbańska M., Łakomy A., Andrzejewski W., Mazurkiewicz J. (2012) The story of one clam. Probably the oldest location of the Chinese pond mussel Sinanodonta woodiana (Lea, 1834) (Bivalvia, Unionidae) in Poland. Oceanological and Hydrobiological Studies, 41: 41-45.

Andrzejewski W., Urbańska M., Mazurkiewicz J., Gierszal H., Golski J. 2013. The current invasion status of Anodonta woodiana (Lea, 1934) In Poland – study of habitat preferences. Oceanological and Hydrobiological Studies, 42 (2): 173-180.

Florczyk K., Mazurkiewicz J., Przybylska K., Ulikowski D., Szczepkowski M., Andrzejewski W., Golski J. 2014. Growth performance, feed intake and morphology of juvenile European catfish, Silurus glanis (L.) fed diets containing different protein and lipid levels. Aquacult. Int., 22: 205-214.

Stanek M., Andrzejewski W., Janicki B., Mazurkiewicz J., Waszak I. 2014. Content of calcium and phosphorus in the meat, girls and liver of perch (Perca fluviatilis L.) from the Wielkopolska lakes district (Polnad). J. Elem.: 19 (2): 507-518, DOI: 10.5601/jelem.2014.19.2.343

Stanek M., Andrzejewski W., Mazurkiewicz J., Janicki B., Cygan–Szczegielniak D., Roślewska  A., Stasiak K., Waszak I. 2016. Seasonal investigation of mineral contents in the meat, gills and liver of perch (Perca fluviatilis L.) from the Wielkopolska Lakes District (Poland). Polish Journal of Environmental Studies, DOI: 10.15244/pjoes/59425

Konieczny P., Tomaszewska-Gras J., Andrzejewski W., Mikołaczak B., Urbańska M., Mazurkiewicz J., Stangierski J. 2016. DSC and electrophoretic studies on protein denaturation of Anodonta woodiana (LEA, 1834). Journal of Thermal Analysis and Calorimetry, 126: 69-75. DOI :10.1007/s10973-016-5707-0  

Golski J., Pińskwar P., Jezierska-Madziar M., Andrzejewski W., Mazurkiewicz J., Stanisławski D., Urbańska M. 2017. Rheophilic fish in oxbow lakes of the Warta River – the effect of environmental conditions on habitat selection. Oceanol. Hydrobiol. Stud., 46 (1): 38-49.  DOI: 10.1515/ohs-2017-0005.

Mazurkiewicz J., Graczyk L., Czyżak-Runowska G., Pietrzak M., Przybylska K., Andrzejewski W., Golski J. 2017. The effects of diet and feeding techniques on growth factors and meat quality of common carp (Cyprinus carpio). Iranian J. of Fish. Sci., 16(2): 639-653.

Kierończyk B., Rawski M., Józefiak A., Mazurkiewicz J., Świątkiewicz S., Siwek M., Bednarczyk M., Szumacher-Strabel M., Cieślak A., Benzertiha A., Józefiak D. 2018. Effects of replacing soybean oil with selected insect fats on broilers. Animal Feed Science and Technology, 240: 170-183.

Benzertiha A., Kierończyk B., Rawski M., Józefiak A., Mazurkiewicz J., Józefiak D., Messikh M.S., Świątkiewicz S. 2018. Cultural and practical aspects of halal slaughtering in food production. Medycyna Weterynaryjna.

Józefiak, A., Kierończyk, B., Rawski, M., Mazurkiewicz, J., Benzertiha, A., Gobbi, P., Nogales-Merida S., Świątkiewicz S., Józefiak, D. 2018. Full-fat insect meals as feed additive–the effect on broiler chicken growth performance and gastrointestinal tract microbiota. J. Anim. Feed Sci, 27(2), 131-139.

Kaczmarek J.M., Kaczmarski M., Mazurkiewicz J., Kloskowski J. 2018. A matter of proportion? Associational effects in larval anuran communities under fish predation. Oecologia 187: 745–753.

Nogales-Merida S., Gobbi P., Józefiak D., Mazurkiewicz J., Dudek K., Rawski M., Kierończyk B., Józefiak A. 2019. Insect meals in fish nutrition. Reviews in Aquaculture. DOI: 10.1111/raq.12281

Uzar T., Andrzejewski W., Mazurkiewicz J. 2019. Microbiome of the digestive tract and probiotic therapy in cyprinids. Pol. J. Natur. Sc., 34 (1): 157-170.

Józefiak A., Nogales-Merida S., Mikołajczak Z., Rawski M., Mazurkiewicz J., 2019. The utilization of full-fat insect meal in rainbow trout (Oncorhynchus mykiss) nutrition; the effects on growth performance, intestinal microbiota and gastro-intestinal tract histomorphology, Annals of Animal Science,  DOI:

Górecki M., Mazurkiewicz J. Myczko Ł. 2019. Influence of the presence of ide Leuciscus idus on the boldness of common carp Cyprinus carpio. Aquaculture, 505, 253-255.

Józefiak   A., Nogales-Mérida   S., Rawski   M., Kierończyk B., Mazurkiewicz   J. 2019. Effect of full–fat insect meals on gastrointestinal tract health and growth performance of Siberian sturgeon (Acipenser baerii Brandt, 1869). BMC Veterinary Research, DOI: 10.1186/s12917-019-2070-y

Hoffmann L., Rawski M., Nogales-Merida S., Mazurkiewicz J. 2020. Dietary inclusion
of Tenebrio molitor meal in sea trout larvae rearing: effects on fish growth  performance,  survival, condition,  and  GIT  and  liver  enzymatic  activity. Annals  of Animal Science, DOI: 10.2478/aoas-2020-0002

Pietrzak E., Mazurkiewicz J., Slawinska A. 2020. Innate immune responses of skin mucosa in common carp (Cyprinus carpio) fed a diet supplemented with galactooligosaccharides. Animals, 10, 438; doi:10.3390/ani10030438

Ziółkowska E., Bogucka J., Dankowiakowska A., Rawski M., Mazurkiewicz J., Stanek M. 2020. Effects of a trans-galactooligosaccharide on biochemical blood parameters and intestine morphometric parameters of common carp (Cyprinus carpio L.). Animals 10, 723; doi:10.3390/ani10040723

Mikołajczak Z., Rawski M., Mazurkiewicz J., Kierończyk B., Józefiak D. 2020. The effect of hydrolyzed insect meals in Sea trout fingerling (Salmo trutta m. trutta) diets on growth performance, microbiota and biochemical blood parameters. Animals 10, 1031; doi:10.3390/ani10061031

Kaczmarek J., Kloskowski J., Kaczmarski M., Mazurkiewicz J. 2020. Numbers, neighbours and hungry predators: what makes chemically defended aposematic prey susceptible to predation? Ecology and Evolution. doi: 10.1002/ece3.6956

Rawski M., Mazurkiewicz J., Kierończyk B., Józefiak D. 2020. Black Soldier Fly Full-Fat Larvae Meal as an Alternative to Fish Meal and Fish Oil in Siberian Sturgeon Nutrition: The Effects on Physical Properties of the Feed, Animal Growth Performance, and Feed Acceptance and Utilization. Animals 10, 2119; doi:10.3390/ani10112119




Research gate
ORCID ID: 0000-0001-6340-0253

Research interests

Ecology, Nature conservation, Ecosystem services in agricultural and forest ecosystems, Bird conservation


2002 PhD in agricultural sciences in the field of biology. (August Cieszkowski Agricultural University (currently Poznań University of Life Sciences)

  1. MSc in Environmental Management University of Amsterdam, Amsterdam (The Netherlands)

1991 MSc in Biology Eotvos Lorant University (currently University of Budapest), Budapest (Hungary)

Work experience

2021 Department of Zoology PULS postdoc

2013–2017 Department of Zoology PULS,

2012–2015 postdoc Adam Mickiewicz University, Poznań (Poland)

1998–2006 Institute of the Environment and the Ministry of the Environment, Budapest (Hungary)

1995–1996 assistant Plant Protection Institute of the Hungarian Academy of Sciences, Nagykovacsi, Budapest (Hungary).

1992–1994 assistant Institute of Ecology and Hydrobiology of the Hungarian Academy of Sciences, Vacratot (Hungary)


2020- Ecosystem Services provided by the main ecosystem types of in Poland – an applied approach (ECOSERV-POL) Norwegian grant

2017-2020 BocianiMy w lasach. Good practices for the protection and management of the black stork population in forest areas. POIS: 020300-00-0154 (participation in the project 2018-2019)

2013-2017 – Linking farmland Biodiversity to Ecosystem seRvices for effective Eco functional intensification (LIBERATION) – 7th Framework Program of the European Union

2013-2015. Learning from Landscapes (Grundtvig, 2012-1-HU1-GRU06-07023 4)

2012-2015 – Analysis of Civil Security Systems in Europe (ANVIL). 6th Framework Program of the European Union

List of publications

Takács, V., Kujawa, D., O’Brien, D., Mizera, T. Can Intensive forest management be compatible with bird conservation? The case of woodlark Lullula arborea in Polish commercial forests, Forest Ecology and Management (major revisions needed)

Banaszak-Cibicka, W., Takács, V., Kęsy, M., Langowska, A., Blecharczyk, A., Sawińska, Z., Sparks, T.H., Tryjanowski, P. (2019). Manure application benefits bumblebees Bombus spp. in intensive farmland, Basic and Applied Ecology 36.26-33.

Świtek, S., Takacs, V., Śawinska, Z., Kosiada, T., Tryjanowski, P. (2019). Mineral nitrogen fertilizers remain a crucial factor even in the ecological intensification of agriculture. Acta Agr. Scand. Section B- Soil and Plant Sciences 2019, 69:4, 311-316  DOI: 10.1080/09064710.2018.1564787

Matczak, P., Takács, V. Reversal of current. The small retention program in the Polish forests. Hartmann, T., Slavikova, L., McCarthy, S., Schanze, J. (eds.) Nature-Based Flood Risk Management on Private Land. P 23-39. Springer, ISBN 978-3-030-23841

Garratt, M. P. D., Bommarco, R., Kleijn, D., Martin, E., Mortimer, S. R., Takács, V., Redlich, S., Senapathi, D., Van Gils, S. , Van Der Putten, W. H., Potts, S. G. (2018). Enhancing Soil Organic Matter as a Route to the Ecological Intensification of European Arable Systems. Ecosystems.

Gagic, V., Kleijn, D., Báldi, A., Boros, G., Jørgensen, H. B., Elek, Z., Garratt, M. P. D., de Groot, A., Hedlund, K., Kovács-Hostyánszki, A., Marini, L., Martin, E., Pevere, I., Potts, S. G., Redlich, S., Senapathi, D., Steffan-Dewenter, I., Świtek, S., Smith, H. G., Takács, V., Tryjanowski, P., van der Putten, W.H., van Gils, S., Bommarco, R. (2017). Combined effects of agrochemicals and ecosystem services on crop yield across Europe. Ecology Letters 20(11). DOI 10.1111/ele.12850.

Świtek, S., Jankowiak, L., Rosin, Z. M., Sawinska, Z., Steppa, R., Takács,V., Zbyryt, A., Tryjanowski, P. 2017. Jak zachować wysoki poziom bioróżnorodności na obszarach rolniczych w Polsce? Identyfikacja najważniejszych problemów badawczych. Wieś i Rolnictwo. 177(4). doi: 10.7366/wir042017/06.

Tryjanowski, P., Møller, A. P., Morelli, F., Biaduń, W., Brauze, T., Ciach, M., Czechowski, P., Czyż, S., Dulisz, B., Golawski, A., Hetmański, T., Indykiewicz, P., Mitrus, C., Myczko, L., Nowakowski, J., Polakowski, M., Takács, V., Wysocki, D., Zduniak, P. (2016). Urbanization affects neophilia and risk-taking at bird-feeders. Scientific Reports, 6.

Skórka, P., Sierpowska, K., Haidt, A., Myczko, L., Ekner-Grzyb, A., Rosin, Z. M., Kwieciński, Z., Suchodolska, J., Takács, V., Jankowiak, L., Wasielewski, O., Graclik, A., Krawczyk, A. J., Kasprzak, A., Szwajkowski, P.,Wylegała, P., Malecha, A., W. Mizera, T., Tryjanowski, P. (2016). Habitat preferences of two sparrow species are modified by abundances of other birds in an urban environment. Current Zoology, 62, 357–368.

Jankowiak, L., Polakowski, M., Kułakowski, T., Świętochowski, P., Tumiel, T., Broniszewska, M., Takács, V. (2015). Habitat and weather requirements of diurnal raptors wintering in river valleys. Biologia (Poland), 70(8), 1136–1142.

Brazova, V.K., Matczak, P., Takács, V. (2014). Evolution of civil security systems: the case of three Central European countries. Journal of Risk Research. 18(6). 789-806. DOI: 10.1080/13669877.2014.913659.

Wylegała, P., Radziszewski, M., Iciek, T., Mielczarek, S., Krąkowski, B. Maciej, S., Cierplikowski, D., Kaczorowski, S., Kiszka, A., Plata, V., Kaczmarek, S. Nowak, B., Przystański, M., Ilków, M., Wyrwał, J., Bagiński, W., Takács, V. Rosiński, T. Pietrzak, T., (2014). Liczebność i rozmieszczenie lęgowej populacji śmieszki Chroicocephalus ridibundus oraz zausznika Podiceps nigricollis w Wielkopolsce w roku 2013. Ptaki Wielkopolski 3. 18-20.

Przybylska, K., Haidt, A., Myczko, L., Ekner-Grzyb, A., Rosin, Z. M., Kwieciński, Z., Tryjanowski, P., Suchodolska, J., Takács, V., Jankowiak, Ł., Tobółka, M., Wasielewski, O., Graclik, A., Krawczyk, A., Kasprzak, A., Szwajkowski, P., Wylegała, P., Malecha, A. W., Mizera, T., Skórka, P. (2012). Local and Landscape-Level Factors Affecting the Density and Distribution of the Feral Pigeon Columba livia var. domestica in an Urban Environment. Acta Ornithologica, 47(1), 37–45.

Rosin, Z. M., Takács, V., Baldi, A., Banaszak-Cibicka, W., Dajdok, Z., Dolata, P. T., Kwieciński, Z., Łangowska, A., Moroń, D., Skórka, P., Tobółka, M., Tryjanowski, P., Wuczyński, A. (2011). Koncepcja świadczeń ekosystemowych i jej znaczenie w ochronie przyrody polskiego krajobrazu rolniczego. Chrońmy Przyrodę Ojczystą, 67(1), 3–20.

Mizera, T., Kujawa, D., Cierplikowska, K., Krajewska, A., Kraśkiewicz, A., Takács, V., Skórka, P. (2010). Próba oceny liczebności lerki Lullula arborea w ostoi Natura 2000 Puszcza Notecka w roku 2010. Studium i Materiały CEPL W Rogowie, 2(27), 77–88.

Takács V., Kuźniak, S. Tryjanowski, P. (2004). Predictions of changes in population size of the Red Backed Shrike (Lanius collurio) in Poland: Population Viability Analysis. Biological Letters 41. 103-111.

Takács, V. (2001). Comparison of some characteristics of Polish and Hungarian arable fields (vertical structure and weed cover), as possible factors contributing to the population decline of the great bustard (Otis tarda). Animal Science 4. 203-207.

Takács, V. (2001). Arthropod food supply as a factor contributing the regress of the Great Bustard (Otis tarda). Animal Science. 4. 209-217.

Takács, V. (1997). Lasy na Węgrzech. Przegląd Leśniczy. 6. 32-36.

Assistant Professor

phone: +48 61 8487609, room 337

ORCID ID: 0000-0002-0525-2421
Google Scholar
Research Gate

Scientific interests

Trophic and non-trophic interactions in aquatic ecosystems. Parental care and parent-offspring conflicts in birds. Amphibian conservation. Larval stage in amphibians, interspecific interaction, anti-predator adaptations. Wildlife-fisheries conflicts. Ecological traps. Protection of fen-mire ecosystems


2001 – PhD, biological sciences, ecology, Faculty of Biology and Earth Sciences, Maria Curie-Skłodowska University, Lublin

2012 – DSc biological sciences, ecology, Faculty of Biology and Biochemistry, Maria Curie-Skłodowska University, Lublin

Experience and employment

1993-2014 assistant, assistant professor, Institute of Biology, Maria Curie-Skłodowska University, Lublin.
2014 – assistant professor, Institute of Zoology, Poznań University of Life Sciences, Poznań


2001, 2013 – UMCS rector prize for creative scientific achievements



“Environmental conservation”

Selected Projects

2006-2011 project LIFE Nature “Conserving Acrocephalus paludicola in Poland and Germany” – LIFE05 NAT/PL/000101 (Chief Technical Advisor)

2006-2008: „Fish ponds as ecological traps: the effects of fish age-structure on macroinvertebrates and amphibian larvae; consequences for breeding success of Great Crested Grebes (Podiceps criststus) and Red-necked Grebes (Podiceps grisegena)” – MNiSW 2 P04G 050 30 (project coordinator)

2003/2004: „Habitat selection in wintering grebes in Donana National Park” – grant European Community’s Improving Human Potential (IHP) Access to Research Infrastructures Programme (project coordinator)

2002-2004: „Division of parental resources in broods of the Red-necked Grebe (Podiceps grisegena): the roles of parents and offspring” – KBN, 3 PO4F 036 23 (project coordinator)

2001-2002: „Trophic interactions between the Red-necked Grebe (Podiceps grisegena) and Common Carp (Cyprinus carpio): from predation to competition” –  KBN, 6 PO4F 066 20 (project coordinator)

Selected Publications


Kaczmarek J. M., Kaczmarski M., Mazurkiewicz J., Kloskowski J. 2018. A matter of proportion? Associational effects in larval anuran communities under fish predation. Oecologia 187, 745–753.

Bellebaum, J., Szostek, K. L., & Kloskowski, J. 2018. Population dynamics and survival of the Red-necked Grebe Podiceps grisegena: results from a long-term study in eastern Poland. Journal of Ornithology, 159, 631-641.

Nieoczym M., Kloskowski J. 2018. Habitat selection and reproductive success of coot Fulica atra on ponds under different fish size and density conditions. Hydrobiologia, 820, 267-279.

Kloskowski J. 2018. Total non-consumptive effects of fish on Pelobates fuscus and Hyla orientalis tadpoles in pond enclosure experiments. Zoological Science, 35, 528-534.

Tanneberger F., Kloskowski J., Knöfler V., Kozulin A., Marczakiewicz P., Morkvėnas Ž., Poluda A., Végvári Z., Vergeichik L., Flade M. 2018. Breeding habitat requirements. W: Tanneberger F., Kubacka J. The Aquatic Warbler Conservation Handbook. Brandenburg State Office for Environment, Potsdam, ss. 34-45.

Bellebaum J., Kloskowski J., Flade M. 2018. Recommended research and monitoring in breeding sites. W: Tanneberger F., Kubacka J. The Aquatic Warbler Conservation Handbook. Brandenburg State Office for Environment, Potsdam, ss. 216-223.


Kloskowski J., Kaczanowska E., Krogulec J., Grela P. Hematological indicators of habitat quality: erythrocyte parameters reflect greater parental effort of Red-necked Grebes under ecological trap conditions. Condor 119, 239–250.Kloskowski J., Frączek, K. A novel strategy to escape a poor habitat: red-necked grebes transfer flightless young to other ponds. Acta Ethologica (in print).


Kloskowski J., Filipiuk M., Polak M., & Fryderyk S. Low prevalence but high intensity of infestation by amblyceran lice in red-necked grebes (Podiceps grisegena) in Eastern Poland. Waterbirds 39, 408-412.


Kloskowski J., Tanneberger F., Marczakiewicz P., Wiśniewska A. & Choynowska A. Optimal habitat conditions for the globally threatened Aquatic Warbler Acrocephalus paludicola in eastern Poland and their implications for fen management. Ibis 157, 406-412.
Nieoczym M., Kloskowski J. Responses of epibenthic and nektonic macroinvertebrate communities to a gradient of fish size in ponds. Journal of Limnology 74, 50-62.
Kloskowski J., Trembaczowski A. Fish reduce habitat coupling by a waterbird: evidence from combined stable isotope and conventional dietary approaches. Aquatic Ecology 49, 21-31.2014Nieoczym M., Kloskowski J. The role of body size in the impact of common carp Cyprinus carpio on water quality,zooplankton, and macrobenthos in ponds. International Review of Hydrobiology 19, 212–221.


Kloskowski J., Rechulicz J., Jarzynowa, B. Resource availability and use by Eurasian otters Lutra lutra in a heavily modified river-canal system. Wildlife Biology 19, 439-451.


Kloskowski J. Fish stocking creates an ecological trap for an avian predator via effects on prey availability. Oikos 121, 1567–1576.

Kloskowski J., Grela P., Gąska M. The role of male nest building in post-mating sexual selection in the monogamous red-necked grebe. Behaviour 149, 81-88.


Kloskowski J. Human–wildlife conflicts at pond fisheries in eastern Poland: perceptions and management of wildlife damage. European Journal of Wildlife Research 57, 295–304.

Kloskowski J. Impact of common carp Cyprinus carpio on aquatic communities: direct trophic effects versus habitat deterioration. Fundamental and Applied Limnology 178, 245–255.

Kloskowski J. Consequences of the size structure of fish populations for their effects on a generalist avian predator. Oecologia 166, 517-530.

Kloskowski J. Differential effects of age-structured common carp (Cyprinus carpio) stocks on pond invertebrate communities: implications for recreational and wildlife use of farm ponds, Aquaculture International 6, 1151-1164.


Kloskowski J., Nieoczym M., Polak M., Pitucha P. Habitat selection by breeding waterbirds at ponds with size-structured fish populations. Naturwissenschaften 97, 673–682.

Kloskowski J. Fish farms as amphibian habitats: factors affecting amphibian species richness and community structure at carp ponds in Poland. Environmental Conservation 37, 187-194.


Kloskowski J., Green A., Polak M., Bustamante J., Krogulec J. Complementary use of natural and artificial wetlands by waterbirds wintering in Doñana, south-west Spain. Aquatic Conservation-Marine and Freshwater Ecosystems 19, 815-826.

Kloskowski J. Size-structured effects of common carp on reproduction of pond-breeding amphibians. Hydrobiologia 635, 205–213.