Publikacje w czasopismach indeksowanych w bazach danych SCI-Expanded i Scopus
2022
Marchowski D., Flis A., Gwiazda R., Kavetska K.M., Wysocki D. 2022. The dominant species of piscivorous bird does not adversely affect fishery in the lagoons of the southern Baltic Sea. The European Zoological Journal 89: 297-309.
Pyrka E., Kanarek G., Gabrysiak J., Jeżewski W., Cichy A., Stanicka A., Żbikowska E., Zaleśny G., Hildebrand J. 2022. Life history strategies of Cotylurus spp. Szidat, 1928 (Trematoda, Strigeidae) in the molecular era - Evolutionary consequences and implications for taxonomy. International Journal for Parasitology Parasites and Wildlife 11: 201-211.
Weinstein B.G., Garner L., Saccomanno V.R., Steinkraus A., Ortega A., Brush K., Yenni G., McKellar A.E., Converse R., Lippitt C.D., Wegmann A., Holmes N.D., Edney A.J., Hart T., Jessopp M.J., Clarke R.H., Marchowski D., Senyondo H., Dotson R., White E.P., Frederick P. , Ernest S.K.M. 2022. A general deep learning model for bird detection in high-resolution airborne imagery. Ecological Applications 32: e2694.
Marchowski D., Ławicki Ł. Kaliciuk J. 2022. Management of marine Natura 2000 sites as exemplified by seabirds wintering in the Baltic Sea: The case of Poland. Diversity 14: (12) 1081.
Marchowski D., Mohr A., Ławicki Ł., Jankowiak Ł. 2022. Warmer winters increase the breeding success of the Goosander: the case of the Pomeranian Lake District in Poland. Ardea 110: 31-40.
2021
Culina A., Adriaensen F., Bailey L.D., Burgess M.D., Charmantier A., Cole E.F., Eeva T., Matthysen E., Nater C.R., Sheldon B.C., Saether B.-E., Vriend S.J.G., Zajkova Z., Adamík P., Aplin L. M., Angulo E., Artemyev A., Barba E., Barišić S., Belda E., Bilgin C.C., Bleu J., Both C., Bouwhuis S., Branston C.J., Broggi J., Burke T., Bushuev A., Camacho C., Campobello D., Canal D., Cantarero A., Caro S.P., Cauchoix M., Chaine A., Cichoń M., Ćiković D., Cusimano C.A., Deimel C., Dhondt A.A., Dingemanse N.J., Doligez B., Dominoni D.M., Doutrelant C., Drobniak S.M., Dubiec A., Eens M., Erikstad K.E., Espín S., Farine D.R., Figuerola J., Gülbeyaz P.K., Grégoire A., Hartley I.R., Hau M., Hegyi G., Hille H., Hinde C.A., Holtmann B., Ilyina T., Isaksson C., Iserbyt A., Ivankina E., Kania W., Kempenaers B., Kerimov A., Komdeur J., Korsten P., Král M., Krist M., Lambrechts M., Lara C.E., Leivits A., Liker A., Lodjak J., Mägi M., Mainwaring M.C., Mänd R., Massa B., Massemin S., Martínez-Padilla J., Mazgajski T.D., Mennerat A., Moreno J., Mouchet A., Nakagawa S., Nilsson J.-Å., Nilsson J.F., Norte A.C., van Oers K., Orell M., Potti J., Quinn J.L., Réale D., Reiertsen T.K., Rosivall B., Russell A.F., Rytkönen S., Sánchez-Virosta P., Santos E.S.A., Schroeder J., Senar J.C., Seress G., Slagsvold T., Szulkin M., Teplitsky C., Tilgar V., Tolstoguzov A., Török J., Valcu M., Vatka E., Verhulst S., Watson H., Yuta T., Zamora-Marín J. M., Visser M. E. 2021. Connecting the data landscape of long-term ecological studies: The SPI-Birds data hub. Journal of Animal Ecology 90: 2147-2160.
Marchowski D. 2021. Drones, automatic counting tools, and artifical networks in wildlife population censusing. Ecology and Evolution 11: 16214-16227.
Pyrka E., Kanarek G., Zaleśny G., Hildebrand J. 2021. Leeches as the intermediate host for strigeid trematodes: genetic diversity and taxonomy of the genera Australapatemon Sudarikov, 1959 and Cotylurus Szidat, 1928. Parasites & Vectors 14: 44.
Manikowska-Ślepowrońska B., Mokwa T., Jakubas D. 2021. Dispersal from the natal colony of the Grey Heron Ardea cinerea nesting in Poland. Acta Ornithologica 56: 59-68.
Marchowski D. Bycatch of seabirds in the Polish southern Baltic Sea in 1970-2018: a review. Acta Ornithologica 56: 139-158.
2020
Marchowski D., Ławicki Ł., Fox A.D., Nielsen R.D., Petersen I.K., Hornman M., Nilsson L., Haas F., Wahl J., Kieckbusch J., Nehls H.W, Calbrade N., Hearn R., Meissner W., Fitzgerald N., Luigujoe L., Zenatello M., Gaudard C., Koschinski S. 2020. Effectiveness of the European Natura 2000 network to sustain a specialist wintering waterbird population in the face of climate change. Scientific Reports 10: 20286.
Lachowska-Cierlik D., Zając K., Mazur M.A., Sikora A., Kubisz D., Kajtoch Ł. 2020. The origin of isolated populations of the Mountain Weevil, Liparus glabrirostris - the flagship species for riparian habitats. Journal of Heredity 111: 357-370.
Cardoso R.N.R., Baldassi P., Jerdy H., Carvalho E.C., Kanarek G., Zaleśny G., Werneck M.R. 2020. Causes of fatal cyathostomiasis in brown booby (Sula leucogaster) from Brazil: identification of pathogens and implications for management. Journal of Parasitology 106(3); 400-405.
Neubauer G., Sikora A. 2020. Abundance estimation from point counts when replication is spatially intensive but temporally limited: comparing binomial N-mixture and hierarchical distance sampling models. Ornis Fennica 97: 131-147.
Kazimirski P.P., Kaczmarski M., Zagalska-Neubauer M., Żołnierowicz K.M., Tobółka M. 2020. Absence of sex differences in digit ration in nestlings of the White Stork Ciconia ciconia, a monomorphic bird species. Bird Study, 5th March DOI:10.1080/00063657.2020.1726876.
Marchowski D., Jankowiak Ł., Ławicki Ł., Wysocki D., Chylarecki P. 2020. Fishery bycatch is among the most important threats to the European population of Greater Scaup Aythya marila. Bird Conservation International 29: 1-18
2019
Budka M., Matyjasiak P., Typiak J., Okołowski M., Zagalska-Neubauer M. 2019. Experienced males modify their behaviour during playback: the case of the Chaffinch. Journal of Ornithology 160: 673-684.
Marchowski D., Leitner M. 2019. Conservation implications of extraordinary Greater Scaup (Aythya marila) concentrations in the Odra Estuary, Poland. Condor 121(2): duz013
Marchowski D., Neubauer G. 2019. Kleptoparasitic strategies of Mallards towards conspecifics and Eurasian Coots. Ardea 107: 110-114.
Laubek B., Clausen P., Nilsson L., Wahl J., Wieloch M., Meissner W., Shimmings P., Larsen B. H., Hornman M., Langendoen T., Lehikoinen A., Luigujõe L., Stipniece A., Svaas S., Sniauksta L., Keller V., Gaudard C., Devos K., Musilová Z., Teufelbauer N., Rees E. C., Fox A. D. 2019. Whooper Swan Cygnus cygnus January population censuses for Northwest Mainland Europe 1995-2015. Wildfowl, Special Issue 5: 103-122.
Sikora A., Ławicki Ł. 2019. What brought about the influx of Siberian Accenators to Europe in autumn 2016? A contribution to the debate. British Birds 112: 763-765.
2018
Garamszegi L.S., Zagalska-Neubauer M., Canal D., Blazi G., Laczi M., Nagy G., Szollosi E., Vaskuti E., Torok J., Zsebok S. 2018. MHC-mediated sexual selection on birdsong: Genetic polymorphism, particular alleles and acoustic signals. Molecular Ecology 27: 2620-2633.
Marchowski D., Jankowiak Ł., Ławicki Ł. and Wysocki D. 2018. Waterbird counts on large water bodies: comparing ground and aerial methods during different ice conditions. PeerJ, DOI 10.7717/peerj.5195
Sikora A. and Neubauer G. 2018. Body mass increase before an oversea jump in a short-distance migrant, the White-throated Dipper Cinclus cinclus. ARDEA 106 (2): 105-117.
Ciach M., Czyż S, Wieloch M. 2018. Bill colour pattern in Bewick's swan: information on sex and body size displayed on face? Ethology, Ecology & Evolution 30: 39-50.
Manikowska-Ślepowrońska B., Mokwa T., Jakubas D. 2018. Wintering and stop-over areas of grey herons (Ardea cinerea) breeding in central Europe: a ring-recovery analysis. Annales Zoologici Fennici 55: 277-285.
Meissner W., Pinchuk P., Karlionova N., Fischer I., Pilacka L. 2018. Sexual size dimorphism and sex determination by external measurements in the Redshank Tringa totanus. Turkish Journal of Zoology 42: 1-5.
2017
Prochazka P., Hahn S., Rolland S., van der Jeugd H., Csorgo T., Jiguet F., Mokwa T., Liechti F., Vangeluwe D., Korner-Nievergelt F. 2017. Delineating large-scale migratory connectivity of reed warblers using integrated multistate models. Diversity and Distributions 23: 27-40.
Neubauer G., Pilacka L., Zieliński P., Gromadzka J. 2017. Population-level body condition correlates with productivity in an arctic wader, the dunlin Calidris alpina, during post-breeding migration. PLoS ONE 12(11).
Kanarek G., Zaleśny G., Sitko J. and Tkach V. V. 2017. The systematic position and structure of the genus Leyogonimus Ginetsinskaya, 1948 (Platyhelminthes: Digenea) with comments on the taxonomy of the superfamily Microphalloidea Ward, 1901. Acta Parasitologica 62(3): 617-624.
Szudarek N., Kanarek G., Dabert J. 2017. The genetic structure of hypoderatid mites (Actinotrichida: Astigmata) parasitizing great cormorant (Phalacrocorax carbo) during host post-breeding dispersal in Milicz, SW Poland. Acta Parasitologica 62(1): 76-89.
2016
Zagalska-Neubauer M., Bensch S. 2016. High prevalence of Leucocytozoon parasites in fresh water breeding gulls. Journal of Ornithology 157: 525-532.
Alberti G., Kanarek G., Dabert J. 2016. Unusual way of Feeding by the Deutonymph of Neottialges evansi (Actinotrichida, Astigmata,
Hypoderatidae), a Subcutaneous Parasite of Cormorants, Revealed by Fine Structural Analyses. Journal of Morphology 227: 1368-1389.
Kanarek G., Zaleśny G., Sitko J., Rząd I. 2016. Taxonomic status of Syngamus nematodes parasitizing passeriform hosts from Central Europe: Morphological, morphometric and molecular identification. Parasitology International 65: 447-454.
Kanarek G., Zaleśny G., Sitko J., Blanco A. I. 2016. Taxonomic status of Cyathostoma nematodes (Nematoda: Syngaminae) parasitizing respiratory tracts of birds of prey and owls in Europe and North America: how many species are there? Helminthologia 53, 1: 47-54.
Dubiec A., Podmokła E., Zagalska-Neubauer M., Drobniak S. M., Arct A., Gustafsson L., Cichoń M. 2016. Differential prevalence and diversity of haemosporidian parasites in two sympatric closely related non-migratory passerines. Parasitology 143: 1320-1329.
2015
Marchowski D., Neubauer G., Ławicki Ł., Woźniczka A., Guentzel S., Jarzemski M. 2015. The importance of non-native prey, the Zebra Mussel Dreissena polymorpha, for the declining Greater Scaup Aythya marila: a case study at a key European staging and wintering site. PLoS ONE 10 (12): e0145496.
Garamszegi L.Z., Zagalska-Neubauer M., Canal D., Markó G., Szász E., Zsebők S., Szöllősi E., Herczeg G., Török J. 2015. Malaria parasites, immune challenge, MHC variability, and predator avoidance in a passerine bird. Behavioral Ecology 26: 1292-1302.
Kanarek G., Zaleśny G., Czujkowska A., Sitko J., Harris P. D. 2015. On the systematic position of Collyricloides massanae Vaucher, 1969 (Platyhelmintes: Digenea) with notes on distribution of this trematode species. Parasitol Research 114: 1495-1501.
Dubiec A., Zieliński P., Zielińska M., Iciek T. 2015. Morphometric sex identification in the Mediterranean Gull (Ichthyaetus melanocephalus).
Waterbirds 38: 229-237.
Ledwoń M., Betleja J., Neubauer G. 2015. An effective method for trapping both parents and chicks in Whiskered Terns (Chlidonias hybrida) and its impact on breeding success. Waterbirds 38: 290-295.
Gwiazda R., Neubauer G., Betleja J., Bednarz Ł., Zagalska-Neubauer M. 2015. Reproductive parameters of Caspian Gull Larus cachinnans Pallas, 1811 in different habitats nearby and away fish ponds. Polish Journal of Ecology 63: 159-165.
Hajdamowicz I., Pilacka L., Meissner W. 2015. Spider assemblages and dynamics on a seasonal island in the Pripyat River, Belarus. Turkish Journal of Zoology 39: 877-887.
2014
Afranowicz-Cieślak R., Żółkoś K., Pilacka L. 2014. Plant species richness of riverbed elevations - the Pripyat River Valley case study. Russian Journal of Ecology 45: 473-479.
Møller A. P., Adriaensen F., Artemyev A., Bańbura J., Barba E., Biard C., Blondel J., Bouslama Z., Bouvier J.-C., Camprodon J., Cecere F., Chaine A., Charmantier A., Charter M., Cichoń M., Cusimano C., Czeszczewik D., Doligez B., Doutrelant C., Dubiec A., Eens M., Eeva T., Faivre B., Ferns P. N., Forsman J. T., García-del-Rey E., Goldshtein A., Goodenough A. E., Gosler A. G., Góźdź I., Grégoire A., Gustafsson L., Hartley I. R., Heeb P., Hinsley S. A., Isenmann P., Jacob S., Järvinen A., Jukaitis R., Kania W., Korpimäki E., Krams I., Laaksonen T., Leclercq B., Lehikoinen E., Loukola O., Lundberg A., Mainwaring M. C., Mänd R., Massa B., Mazgajski T. D., Merino S., Mitrus C., Mönkkönen M., Morales-Fernaz J., Moreno J., Morin X., Nager R. G., Nilsson J.-Å., Nilsson S. G., Norte A. C., Orell M., Perret P., Perrins C. M., Pimentel C. S., Pinxten R., Priedniece I., Quidoz M.-C., Reme V., Richner H., Díez H. R., Russell A., Rytkönen S., Senar J.C., Seppänen J. T., Pascoal da Silva L., Slagsvold T., Solonen T., Sorace A., Stenning M. J., Török J., Tryjanowski P., van Noordwijk A. J., von Numers M., Walankiewicz W., Lambrechts M. M. 2014. Clutch size variation in Western Palearctic secondary hole-nesting passerine birds in relation to nest box design. Methods in Ecology and Evolution 5: 353-362.
Kanarek G., Zaleśny G., Sitko J., Tkach V. V. 2014. Phylogenetic relationships and systematic position of the families Cortrematidae and Phaneropsolidae (Platyhelminthes: Digenea). Folia Parasitologica 61 [6]: 523-528.
Neubauer G., Nowicki P., Zagalska-Neubauer M. 2014. Haldane's rule revisited: do hybrid females have a shorter lifespan? Survival of hybrids in a recent contact zone between two large gull species. Journal of Evolutionary Biology 27:1248-1255.
Ledwoń M., Betleja J., Stawarczyk T., Neubauer G. 2014. The Whiskered Tern Chlidonias hybrida expansion in Poland: the role of immigration. Journal of Ornithology 155: 459-470.
Kanarek G., Zaleśny G. 2014. Extrinsic- and intrinsic-dependent variation in component communities and patterns of aggregations in helminth parasities of great cormorant (Phalacrocorax carbo) from N.E. Poland. Parasitology Research 113: 837-850.
2013
Hušek J., Adamík P., Albrecht T., Cepák, J., Kania, W., Mikoláková E., Tkadlec E., Stenseth N. C. 2013. Cyclicity and variability in prey dynamics strengthens predator numerical response: the effects of vole fluctuations on white stork productivity. Popul Ecol. 55: 363375.
Neubauer G., Sikora A. 2013. Detection probability of the Collared Flycatcher Ficedula albicollis during quick, multiple surveys: a case study in an isolated population in northern Poland. Ornis Fennica 90: 211-221
Kanarek G., Horne E. C., Zaleśny G. 2013. Cyathostoma (Cyathostoma) phenisci Baudet, 1937 (Nematoda: Syngamidae), a parasite of respiratory tract of African penguin Spheniscus demersus: morphological and molecular characterisation with some ecological and veterinary notes. Parasitology International 62: 416-422.
Ledwoń M., Neubauer G., Betleja J. 2013. Adult and pre-breeding survival estimates of the Whiskered Tern Chlidonias hybrida breeding in southern Poland. Journal of Ornithology 154: 633-643.
2012
Neubauer G., Zieliński P., Wojciechowski Z., Buszkiewicz E., Siekiera J., Siekiera A. 2012. Leaving on migration: estimating departure dates of Barn Swallows Hirundo rustica from summer roosts using a capture-mark-recapture approach. Bird Study 59: 144-154.
Radwan J., Zagalska-Neubauer M., Cichoń M., Sendecka J., Kulma K., Gustafsson L., Babik W., 2012. MHC diversity, malaria and lifetime reproductive success in collared flycatchers. Molecular Ecology 21: 2469-2479.
Zagalska-Neubauer M., Neubauer G. 2012. Reproductive performance and changes in relative species abundance in a mixed colony of Herring and Caspian Gulls, Larus argentatus and L. cachinnans. Acta Ornithologica 47: 185-194.
2011
Kanarek G. 2011. Population biology of Contracaeum rudolphii sensu lato (Nematoda) in the Great Cormorant (Phalacrocorax carbo) from northeastern Poland. Journal of Parasitology 92: 185-191.
Gwiazda R., Bukaciński D., Neubauer G., Faber M., Betleja J., Zagalska-Neubauer M., Bukacińska M., Chylarecki P. 2011. Diet composition of the Caspian Gull (Larus cachinnans) in inland Poland: effects of breeding area, breeding stage and sympatric breeding with the Herring Gull (Larus argentatus). Ornis Fennica 88: 80-89.
Edman T., Angelstam P., Mikusiński G., Roberge J.-M., Sikora A. 2011. Spatial planning for biodiversity conservation: Assessment of forest landscapes' conservation value using umbrella species requirements in Poland. Landscape and Urban Planning 102: 16-23.
Gibbins C.N., Neubauer G., Small B. J. 2011. Identification of Caspian Gull. Part 2: phenotypic variability and the field characteristics of hybrids. British Birds 104: 702-742.
2010
Korner-Nievergelt F., Sauter A., Atkinson P. W., Guélat J., Kania W., Kéry M., Köppen U., Robinson R. A., Schaub M., Thorup K., van der Jeugd H., van Noordwijk A. J. 2010. Improving the analysis of movement data from marked individuals through explicit estimation of observer heterogeneity. Journal of Avian Biology 41: 8-17.
Korner-Nievergelt F., Schaub M., Thorup K., Vock M., Kania W. 2010. Estimation of bird distribution based on ring re-encounters: precision and bias of the division coefficient and its relation to multi-state models. Bird Study 57: 56-68.
Lambrechts M.M., Adriaensen F., Ardia D.R., Artemyev A.V., Atiénzar F., Bańbura J., Barba E., Bouvier J.-C., Camprodon J., Cooper C.B., Dawson R.D., Eens M., Eeva T., Faivre B., Garamszegi L.Z., Goodenough A.E., Gosler A.G., Grégoire A., Griffith S.C., Gustafsson L., Johnson L.S., Kania W., Keišs O., Llambias P.E., Mainwaring M.C., Mänd R., Massa B., Mazgajski T. D., Møller A.P., Moreno J., Naef-Daenzer B., Nilsson J.-C., Norte AC., Orell M., Otter K.A., Park Ch.R., Perrins Ch.M., Pinowski J., Porkert J., Potti J., Remes V., Richner H., Rytkönen S., Shiao M.-T., Silverin B., Slagsvold T., Smith H. G., Sorace A., Stenning M.J., Stewart I., Thompson Ch.F., Török J., Tryjanowski P., van Noordwijk A.J., Winkler D.W., Ziane N. 2010. The design of artificial nestboxes for the study of secondary hole-nesting birds: a review of methodological inconsistencies and potential biases. Acta Ornithologica 45: 1-26.
Beran V., Neubauer G., Zagalska-Neubauer M. 2010. První prokázaný výskyt zpětného kři?ence racka stříbřitého (Larus argentatus) a racka bělohlavého (Larus cachinnans) v České republice. Sylvia 46: 171-177 / First proven case of a backcross hybrid between the Herring Gull (Larus argentatus) and the Caspian Gull (Larus cachinnans) in the Czech Republic. [in Czech with English summ.].
Lenda M., Zagalska-Neubauer M., Neubauer G., Skórka P. 2010. Do invasive species undergo metapopulation dynamics? A case study of the invasive Caspian Gull Larus cachinnans in Poland. Journal of Biogeography 37: 1824-1834.
Zagalska-Neubauer M., Babik W., Stuglik M., Gustaffson L., Cichoń M., Radwan J. 2010. 454 sequencing reveals extreme complexity of the class II Major Histocompatibility Complex in the collared flycatcher. BMC Evolutionary Biology 10: 395.
Zielińska M., Dubiec A., Zieliński P. 2010. Offspring sex ratio skew in the sexually monomorphic house martin Delichon urbicum. Journal of Avian Biology 41: 591-596.
2009
Gay L., Neubauer G., Zagalska-Neubauer M., Pons J.-M., Bell D.A., Crochet P.-A. 2009. Speciation with gene flow in the large white-headed gulls: does selection counterbalance introgression? Heredity 102: 133-146.
Neubauer G., Zagalska-Neubauer M. M., Pons J.-M., Crochet P.-A., Chylarecki P., Przystalski A., Gay L. 2009. Assortative mating without complete reproductive isolation in a zone of recent secondary contact between Herring Gulls (Larus argentatus) and Caspian Gulls (L. cachinnans). Auk 126: 409-419.
Kanarek G., Bohdanowicz J. 2009. Larval Contracaecum sp. (Nematoda: Anisakidae) in the Great Cormorant [Phalacrocorax carbo (L., 1758)] from north-eastern Poland: a morphological and morphometric analysis. Veterinary Parasitology 166: 90-97.
Kanarek G. 2009. The occurrence of Cyathostoma (Cyathostoma) microspiculum (Skrjabin, 1915) (Nematoda: Syngamidae) in the great cormorant [Phalacrocorax carbo (L., 1758)] in north-eastern Poland. Journal of Helminthology 83: 391-398.
2008
Sikora A., Neubauer G. 2008. Scandinavian and central European subspecies of White-throated Dipper Cinclus cinclus interbreed in an isolated population in northern Poland. Ornis Fennica 85: 73-81.
2007
Betleja J., Skórka P., Zielińska M. 2007. Super-normal clutches and female-female pairs in gulls and terns breeding in Poland. Waterbirds 30: 624-629.
Sikora A., Dubiec A. 2007. Sex identification of Jack Snipe Lymnocryptes minimus by discriminant analysis of morphometric measurements. Ardea 95: 125-133.
Gay L., Neubauer G., Zagalska-Neubauer M., Pons J.-M., David P., Crochet P.-A. 2007. Molecular and morphological patterns of introgression between two white-headed gull species in a zone of recent secondary contact. Molecular Ecology 16: 3215-3227.
Sikora A., Rohde Z., Gromadzki M., Neubauer G., Chylarecki P. (red.) 2007. Atlas rozmieszczenia ptaków lęgowych Polski 1985-2004. Bogucki Wydawnictwo Naukowe, Poznań, 639 str. / The Atlas of Breeding Birds in Poland 1985-2004, in Polish, with 68-page long English summary.
Tryjanowski P., Goławski A., Kuźniak S., Mokwa T., Antczak M. 2007. Disperse or stay? Exceptionally high breeding-site infidelity in the Red-backed Shrike Lanius collurio. Ardea 95: 316-320.
Zielińska M., Zieliński P., Kołodziejczyk P., Szewczyk P., Betleja J. 2007. Expansion of the Mediterranean Gull Larus melanocephalus in Poland. Journal of Ornithology 148: 543-548.
Neubauer G., Betleja J., Zagalska-Neubauer M. 2007. Origin of Caspian Gulls Larus cachinnans breeding in Poland. British Birds 100: 554-557.