{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T22:54:37Z","timestamp":1787957677822,"version":"build-2784847793"},"reference-count":64,"publisher":"Springer Science and Business Media LLC","issue":"21","license":[{"start":{"date-parts":[[2016,8,18]],"date-time":"2016-08-18T00:00:00Z","timestamp":1471478400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Research Grant from Polish Ministry of Science and Higher Education","award":["507.511.34 Young Scholars\\2015"],"award-info":[{"award-number":["507.511.34 Young Scholars\\2015"]}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Environ Sci Pollut Res"],"published-print":{"date-parts":[[2016,11]]},"DOI":"10.1007\/s11356-016-7297-6","type":"journal-article","created":{"date-parts":[[2016,8,17]],"date-time":"2016-08-17T18:22:11Z","timestamp":1471458131000},"page":"21940-21946","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Phalangeal bone anomalies in the European common toad Bufo bufo from polluted environments"],"prefix":"10.1007","volume":"23","author":[{"given":"Miko\u0142aj","family":"Kaczmarski","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krzysztof","family":"Kolenda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beata","family":"Rozenblut-Ko\u015bcisty","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wioletta","family":"So\u015bnicka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2016,8,18]]},"reference":[{"key":"7297_CR1","doi-asserted-by":"publisher","first-page":"180","DOI":"10.1556\/AVet.2013.060","volume":"62","author":"S Aleksi\u0107-Kova\u010devi\u0107","year":"2014","unstructured":"Aleksi\u0107-Kova\u010devi\u0107 S, Ozvegy J, Krsti\u0107 N, et al. (2014) Skin and skeletal system lesions of european pond turtles (Emys orbicularis) from natural habitats. Acta Vet Hung 62:180\u2013193. doi: 10.1556\/AVet.2013.060","journal-title":"Acta Vet Hung"},{"key":"7297_CR2","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1002\/jez.b.21296","volume":"312B","author":"B Balleng\u00e9e","year":"2009","unstructured":"Balleng\u00e9e B, Sessions SK (2009) Explanation for missing limbs in deformed amphibians. J Exp Zool (Mol Dev Evol) 312B:1\u201310. doi: 10.1002\/jez.b.21296","journal-title":"J Exp Zool (Mol Dev Evol)"},{"key":"7297_CR3","doi-asserted-by":"publisher","first-page":"2","DOI":"10.1670\/12-263","volume":"48","author":"TJC Beebee","year":"2014","unstructured":"Beebee TJC (2014) Amphibian conservation in Britain: a 40-year history. J Herpetol 48:2\u201312. doi: 10.1670\/12-263","journal-title":"J Herpetol"},{"issue":"2","key":"7297_CR4","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1890\/1540-9295(2003)001[0087:TCODA]2.0.CO;2","volume":"1","author":"AW Blaustein","year":"2003","unstructured":"Blaustein AW, Johanson PTJ (2003) The complexity of deformed amphibians. Front Ecol Environ 1(2):87\u201394","journal-title":"Front Ecol Environ"},{"key":"7297_CR5","first-page":"225","volume":"6","author":"M Bonk","year":"2010","unstructured":"Bonk M, Pabijan M (2010) Changes in a regional batrachofauna in south-central Poland over a 25\u00a0year period. North West J Zool 6:225\u2013244","journal-title":"North West J Zool"},{"key":"7297_CR6","doi-asserted-by":"publisher","first-page":"73","DOI":"10.2478\/ecoq-2013-0009","volume":"18","author":"KA Budzik","year":"2013","unstructured":"Budzik KA, Budzik KM, \u017buwa\u0142a K (2013) Amphibian situation in urban environment\u2014history of the common toad Bufo bufo in Krak\u00f3w (Poland). Ecol Quest 18:73\u201377. doi: 10.2478\/ecoq-2013-0009","journal-title":"Ecol Quest"},{"key":"7297_CR7","doi-asserted-by":"publisher","first-page":"147","DOI":"10.1023\/A:1015248110142","volume":"136","author":"B Bulog","year":"2002","unstructured":"Bulog B, Mihajl K, Jeran Z, Toman MJ (2002) Trace element concentrations in the tissues of Proteus anguinus (Amphibia, Caudata) and the surrounding environment. Water Air Soil Pollut 136:147\u2013163. doi: 10.1023\/A:1015248110142","journal-title":"Water Air Soil Pollut"},{"issue":"93","key":"7297_CR8","doi-asserted-by":"publisher","first-page":"255","DOI":"10.1016\/0378-4274(95)03559-1","volume":"82","author":"D B\u00fcsselberg","year":"1995","unstructured":"B\u00fcsselberg D (1995) Calcium channels as target sites of heavy metals. Toxicol Letters 82(93):255\u2013261. doi: 10.1016\/0378-4274(95)03559-1","journal-title":"Toxicol Letters"},{"key":"7297_CR9","first-page":"191","volume":"11","author":"J Castanet","year":"1990","unstructured":"Castanet J, Smirina E (1990) Introduction to the skeletochronological method in amphibians and reptiles. Ann Sci Nat Zool 11:191\u2013196","journal-title":"Ann Sci Nat Zool"},{"key":"7297_CR10","doi-asserted-by":"publisher","first-page":"89","DOI":"10.1046\/j.1472-4642.2003.00012.x","volume":"9","author":"J Collins","year":"2003","unstructured":"Collins J, Storfer A (2003) Global amphibian declines: sorting the hypotheses. Divers Distrib 9:89\u201398. doi: 10.1046\/j.1472-4642.2003.00012.x","journal-title":"Divers Distrib"},{"key":"7297_CR11","doi-asserted-by":"publisher","first-page":"70","DOI":"10.1016\/j.scitotenv.2004.11.011","volume":"346","author":"CTR Darling","year":"2005","unstructured":"Darling CTR, Thomas VG (2005) Lead bioaccumulation in earthworms, Lumbricus terrestris, from exposure to lead compounds of differing solubility. Sci Total Environ 346:70\u201380. doi: 10.1016\/j.scitotenv.2004.11.011","journal-title":"Sci Total Environ"},{"key":"7297_CR12","doi-asserted-by":"publisher","first-page":"234","DOI":"10.1016\/j.biocon.2015.06.010","volume":"191","author":"M D\u2019Amico","year":"2015","unstructured":"D\u2019Amico M, Rom\u00e1n J, de los Reyes L, Revilla E (2015) Vertebrate road-kill patterns in Mediterranean habitats: who, when and where. Biol Conserv 191:234\u2013242. doi: 10.1016\/j.biocon.2015.06.010","journal-title":"Biol Conserv"},{"key":"7297_CR13","doi-asserted-by":"publisher","first-page":"2887","DOI":"10.1007\/s10531-012-0343-x","volume":"21","author":"M Deno\u00ebl","year":"2012","unstructured":"Deno\u00ebl M (2012) Newt decline in Western Europe: highlights from relative distribution changes within guilds. Biodivers Conserv 21:2887\u20132898. doi: 10.1007\/s10531-012-0343-x","journal-title":"Biodivers Conserv"},{"key":"7297_CR14","doi-asserted-by":"publisher","first-page":"875","DOI":"10.1007\/s10646-011-0651-z","volume":"20","author":"CA Distel","year":"2011","unstructured":"Distel CA, Boone MD (2011) Insecticide has asymmetric effects on two tadpole species despite priority effects. Ecotoxicology 20:875\u2013884. doi: 10.1007\/s10646-011-0651-z","journal-title":"Ecotoxicology"},{"key":"7297_CR15","doi-asserted-by":"publisher","first-page":"4141","DOI":"10.1007\/s10661-014-4141-7","volume":"187","author":"K Dmowski","year":"2015","unstructured":"Dmowski K, Rossa M, Kowalska J, Krasnod\u0119bska-Ostr\u0119ga B (2015) Thallium in spawn, juveniles, and adult common toads (Bufo bufo) living in the vicinity of a zinc-mining complex, Poland. Environ Monit Assess 187:4141. doi: 10.1007\/s10661-014-4141-7","journal-title":"Environ Monit Assess"},{"key":"7297_CR16","doi-asserted-by":"publisher","first-page":"178","DOI":"10.1007\/s12011-012-9461-2","volume":"150","author":"K Dobrovoljc","year":"2012","unstructured":"Dobrovoljc K, Falnoga I, \u017dnidari\u010d MT, et al. (2012) Cd, Cu, Zn, Se, and metallothioneins in two amphibians, Necturus maculosus (Amphibia, Caudata) and Bufo bufo (Amphibia, Anura). Biol Trace Elem Res 150:178\u2013194. doi: 10.1007\/s12011-012-9461-2","journal-title":"Biol Trace Elem Res"},{"key":"7297_CR17","doi-asserted-by":"publisher","first-page":"64","DOI":"10.1186\/s13028-014-0064-0","volume":"56","author":"H Duranova","year":"2014","unstructured":"Duranova H, Martiniakova M, Omelka R, et al. (2014) Changes in compact bone microstructure of rats subchronically exposed to cadmium. Acta Vet Scand 56:64. doi: 10.1186\/s13028-014-0064-0","journal-title":"Acta Vet Scand"},{"key":"7297_CR18","doi-asserted-by":"publisher","first-page":"1382","DOI":"10.1002\/ece3.249","volume":"2","author":"A Egea-Serrano","year":"2012","unstructured":"Egea-Serrano A, Relyea RA, Tejedo M, Torralva M (2012) Understanding of the impact of chemicals on amphibians: a meta-analytic review. Ecol Evol 2:1382\u20131397. doi: 10.1002\/ece3.249","journal-title":"Ecol Evol"},{"key":"7297_CR19","doi-asserted-by":"publisher","first-page":"33","DOI":"10.1007\/s10344-008-0211-x","volume":"55","author":"A Elzanowski","year":"2009","unstructured":"Elzanowski A, Ciesio\u0142kiewicz J, Kaczor M, et al. (2009) Amphibian road mortality in Europe: a meta-analysis with new data from Poland. Eur J Wildl Res 55:33\u201343. doi: 10.1007\/s10344-008-0211-x","journal-title":"Eur J Wildl Res"},{"key":"7297_CR20","doi-asserted-by":"publisher","first-page":"229","DOI":"10.1163\/157075403323012205","volume":"1","author":"NL Flyaks","year":"2004","unstructured":"Flyaks NL, Borkin LJ (2004) Morphological abnormalities and heavy metal concentrations in anurans of contaminated areas, eastern Ukraine. Appl Herpetol 1:229\u2013264. doi: 10.1163\/157075403323012205","journal-title":"Appl Herpetol"},{"key":"7297_CR21","doi-asserted-by":"publisher","first-page":"1060","DOI":"10.1021\/es60083a011","volume":"7","author":"CD Gish","year":"1973","unstructured":"Gish CD, Christensen RE (1973) Cadmium, nickel, lead, and zinc in earthworms from roadside soil. Environ Sci Technol 7:1060\u20131062. doi: 10.1021\/es60083a011","journal-title":"Environ Sci Technol"},{"key":"7297_CR22","unstructured":"G\u0142owaci\u0144ski Z, Rafi\u0144ski J (eds) (2003) Atlas of the amphibians and reptiles of Poland. Status - Distribution - Conservation. Biblioteka Monitoringu \u015arodowiska. Warszawa - Krak\u00f3w, 156 pp. [In Polish with English summary]"},{"key":"7297_CR23","unstructured":"Grabia J. 2013. Odmulenie Zbiornika Ma\u0142a Kajka. Projekt Budowlano Wykonawczy. Przedsi\u0119biorstwo Projektowo-Wykonawcze Biosystem, Pozna\u0144. Technical report [in polish]"},{"key":"7297_CR24","doi-asserted-by":"publisher","first-page":"329","DOI":"10.1016\/S0166-445X(03)00153-X","volume":"65","author":"K Greulich","year":"2003","unstructured":"Greulich K, Pflugmacher S (2003) Differences in susceptibility of various life stages of amphibians to pesticide exposure. Aquat Toxicol 65:329\u2013336. doi: 10.1016\/S0166-445X(03)00153-X","journal-title":"Aquat Toxicol"},{"key":"7297_CR25","doi-asserted-by":"publisher","first-page":"89","DOI":"10.1080\/02772240600949873","volume":"89","author":"S Hanafy","year":"2007","unstructured":"Hanafy S, Soltan ME (2007) Comparative changes in absorption, distribution and toxicity of copper and cadmium chloride in toads during the hibernation and the role of vitamin C against their toxicity. Toxicol Environ Chem 89:89\u2013110. doi: 10.1080\/02772240600949873","journal-title":"Toxicol Environ Chem"},{"key":"7297_CR26","doi-asserted-by":"publisher","first-page":"921","DOI":"10.1242\/jeb.040865","volume":"213","author":"TB Hayes","year":"2010","unstructured":"Hayes TB, Falso P, Gallipeau S, Stice M (2010a) The cause of global amphibian declines: a developmental endocrinologist\u2019s perspective. J Exp Biol 213:921\u2013933. doi: 10.1242\/jeb.040865","journal-title":"J Exp Biol"},{"key":"7297_CR27","doi-asserted-by":"publisher","first-page":"4612","DOI":"10.1073\/pnas.0909519107","volume":"107","author":"TB Hayes","year":"2010","unstructured":"Hayes TB, Khoury V, Narayan A, et al. (2010b) Atrazine induces complete feminization and chemical castration in male African clawed frogs (Xenopus laevis). Proc Natl Acad Sci U S A 107:4612\u20134617. doi: 10.1073\/pnas.0909519107","journal-title":"Proc Natl Acad Sci U S A"},{"key":"7297_CR28","unstructured":"Hemelaar A (1986) Demographic study on Bufo bufo L. (Anura, Amphibia) from different climates, by means of skeletochronology. Dissertation, University of Nijmegen"},{"key":"7297_CR29","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1016\/S0003-3472(89)80035-1","volume":"38","author":"J H\u00f6glund","year":"1989","unstructured":"H\u00f6glund J (1989) Pairing and spawning patterns in the common toad, Bufo bufo: the effects of sex ratios and the time available for male-male competition. Anim Behav 38:423\u2013429","journal-title":"Anim Behav"},{"key":"7297_CR30","doi-asserted-by":"publisher","first-page":"909","DOI":"10.1007\/BF01985629","volume":"25","author":"DW Huey","year":"1980","unstructured":"Huey DW, Beitinger TL (1980) Toxicity of nitrite to larvae of the salamander Ambystoma texanum. Bull Environ Contam Toxicol 25:909\u2013912. doi: 10.1007\/BF01985629","journal-title":"Bull Environ Contam Toxicol"},{"key":"7297_CR31","doi-asserted-by":"publisher","first-page":"523","DOI":"10.1016\/j.envpol.2004.05.005","volume":"132","author":"SM James","year":"2004","unstructured":"James SM, Little EE, Semlitsch RD (2004) The effect of soil composition and hydration on the bioavailability and toxicity of cadmium to hibernating juvenile American toads (Bufo americanus). Environ Pollut 132:523\u2013532. doi: 10.1016\/j.envpol.2004.05.005","journal-title":"Environ Pollut"},{"key":"7297_CR32","doi-asserted-by":"publisher","first-page":"349","DOI":"10.1007\/s00604-007-0864-2","volume":"161","author":"AM Janus","year":"2007","unstructured":"Janus AM, Faryna M, Haberko K, et al. (2007) Chemical and microstructural characterization of natural hydroxyapatite derived from pig bones. Microchim Acta 161:349\u2013353. doi: 10.1007\/s00604-007-0864-2","journal-title":"Microchim Acta"},{"key":"7297_CR33","unstructured":"Kaczmarek JM, Kaczmarski M, P\u0119dziwiatr K (2015) Changes in the batrachofauna in the city of Pozna\u0144 over 20\u00a0years. In: Indykiewicz P, B\u00f6hner J (eds) Animal, man, and the city - interaction and relationships. Bydgoszcz, pp 169\u2013177"},{"key":"7297_CR34","doi-asserted-by":"publisher","first-page":"11881","DOI":"10.1073\/pnas.1501065112","volume":"112","author":"MR Lambert","year":"2015","unstructured":"Lambert MR, Giller GSJ, Barber LB, et al. (2015) Suburbanization, estrogen contamination, and sex ratio in wild amphibian populations. Proc Natl Acad Sci 112:11881\u201311886. doi: 10.1073\/pnas.1501065112","journal-title":"Proc Natl Acad Sci"},{"key":"7297_CR35","doi-asserted-by":"publisher","first-page":"1673","DOI":"10.1021\/es103232q","volume":"45","author":"A Lange","year":"2011","unstructured":"Lange A, Paull GC, Hamilton PB, et al. (2011) Implications of persistent exposure to treated wastewater effluent for breeding in wild roach (Rutilus rutilus) populations. Environ Sci Technol 45:1673\u20131679. doi: 10.1021\/es103232q","journal-title":"Environ Sci Technol"},{"key":"7297_CR36","doi-asserted-by":"publisher","first-page":"383","DOI":"10.1007\/s002449900200","volume":"32","author":"H Lefcort","year":"1997","unstructured":"Lefcort H, Hancock KA, Maur KM, Rostal DC (1997) The effects of used motor oil, silt, and the water mold Saprolegnia parasitica on the growth and survival of mole salamanders (genus Ambystoma). Arch Environ Contam Toxicol 32:383\u2013388. doi: 10.1007\/s002449900200","journal-title":"Arch Environ Contam Toxicol"},{"key":"7297_CR37","doi-asserted-by":"publisher","unstructured":"Loman J, Madsen TR (2010) Sex ratio of breeding common toads (Bufo bufo)\u2014influence of survival and skipped breeding. Amphib-reptil 31:509\u2013524. doi: 10.1163\/017353710X524705","DOI":"10.1163\/017353710X524705"},{"key":"7297_CR38","first-page":"640","volume":"7","author":"H Lu","year":"2014","unstructured":"Lu H, Yuan G, Yin Z, et al. (2014) Effects of subchronic exposure to lead acetate and cadmium chloride on rat\u2019s bone: Ca and Pi contents, bone density, and histopathological evaluation. Int J Clin Exp Pathol 7:640\u2013647","journal-title":"Int J Clin Exp Pathol"},{"key":"7297_CR39","doi-asserted-by":"publisher","unstructured":"Or\u0142owski G (2007) Spatial distribution and seasonal pattern in road mortality of the common toad Bufo bufo in an agricultural landscape of south-western Poland. Amphib-reptil 28:25\u201331. doi: 10.1163\/156853807779799045","DOI":"10.1163\/156853807779799045"},{"key":"7297_CR40","doi-asserted-by":"publisher","first-page":"1359","DOI":"10.1007\/s10646-014-1261-3","volume":"23","author":"F Orton","year":"2014","unstructured":"Orton F, Baynes A, Clare F, et al. (2014) Body size, nuptial pad size and hormone levels: potential non-destructive biomarkers of reproductive health in wild toads (Bufo bufo). Ecotoxicology 23:1359\u20131365. doi: 10.1007\/s10646-014-1261-3","journal-title":"Ecotoxicology"},{"key":"7297_CR41","doi-asserted-by":"publisher","first-page":"901","DOI":"10.1007\/s10646-011-0658-5","volume":"20","author":"F Orton","year":"2011","unstructured":"Orton F, Routledge E (2011) Agricultural intensity in ovo affects growth, metamorphic development and sexual differentiation in the common toad (Bufo bufo). Ecotoxicology 20:901\u2013911. doi: 10.1007\/s10646-011-0658-5","journal-title":"Ecotoxicology"},{"key":"7297_CR42","doi-asserted-by":"publisher","first-page":"7","DOI":"10.1016\/j.ecoenv.2015.03.006","volume":"117","author":"D Pickford","year":"2015","unstructured":"Pickford D, Jones A, Velez-Pelez A, et al. (2015) Screening breeding ponds of the common toad in England and Wales for evidence of endocrine disrupting activity. Ecotoxicol Environ Saf 117:7\u201319. doi: 10.1016\/j.ecoenv.2015.03.006","journal-title":"Ecotoxicol Environ Saf"},{"key":"7297_CR43","doi-asserted-by":"publisher","first-page":"91","DOI":"10.1038\/nature15380","volume":"527","author":"I Pipoly","year":"2015","unstructured":"Pipoly I, B\u00f3kony V, Kirkpatrick M, et al. (2015) The genetic sex-determination system predicts adult sex ratios in tetrapods. Nature 527:91\u201394. doi: 10.1038\/nature15380","journal-title":"Nature"},{"key":"7297_CR44","unstructured":"Prutsman-Pfeiffer JJ (2008) Lead in the human femoral head: relationships of pathology, environmental exposure, micro-architecture, and biocultural contributions to bone quality. Dissertation, University of New York, New York, NY, USA"},{"key":"7297_CR45","doi-asserted-by":"publisher","first-page":"277","DOI":"10.1163\/156853888X00369","volume":"9","author":"CJ Reading","year":"1988","unstructured":"Reading CJ (1988) Growth and age at sexual maturity in common toads (Bufo bufo) from two sites in Southern England. Amphib-reptil 9:277\u2013287. doi: 10.1163\/156853888X00369","journal-title":"Amphib-reptil."},{"key":"7297_CR46","doi-asserted-by":"publisher","first-page":"245","DOI":"10.1111\/j.1600-0587.1991.tb00658.x","volume":"14","author":"CJ Reading","year":"1991","unstructured":"Reading CJ (1991) The relationship between body length, age and sexual maturity in the common toad, Bufo bufo. Ecography 14:245\u2013249. doi: 10.1111\/j.1600-0587.1991.tb00658.x","journal-title":"Ecography"},{"key":"7297_CR47","doi-asserted-by":"publisher","first-page":"231","DOI":"10.1016\/S0048-9697(02)00643-5","volume":"310","author":"CJ Reading","year":"2003","unstructured":"Reading CJ (2003) The effects of variantion in climatic temperature (1980\u20132001) on breeding activity and tadpoles stage duration in the common toad. Sci Total Environ 310:231\u2013236. doi: 10.1016\/S0048-9697(02)00643-5","journal-title":"Sci Total Environ"},{"key":"7297_CR48","doi-asserted-by":"publisher","first-page":"799","DOI":"10.1289\/ehp.99107799","volume":"107","author":"JD Rouse","year":"1999","unstructured":"Rouse JD, Bishop CA, Struger J (1999) Nitrogen pollution: an assessment of its threat to amphibian survival. Environ Health Perspect 107:799\u2013803. doi: 10.1289\/ehp.99107799","journal-title":"Environ Health Perspect"},{"key":"7297_CR49","doi-asserted-by":"publisher","first-page":"399","DOI":"10.1007\/s002440010189","volume":"40","author":"CL Rowe","year":"2001","unstructured":"Rowe CL, Hopkins WA, Coffm VR (2001) Failed recruitment of southern toads (Bufo terrestris) in a trace element-contaminated breeding habitat: direct and indirect effects that may lead to a local population sink. Arch Environ Contam Toxicol 40:399\u2013405. doi: 10.1007\/s002440010189","journal-title":"Arch Environ Contam Toxicol"},{"key":"7297_CR50","doi-asserted-by":"publisher","first-page":"304","DOI":"10.1002\/jmor.10344","volume":"265","author":"B Rozenblut","year":"2005","unstructured":"Rozenblut B, Ogielska M (2005) Development and growth of long bones in European water frogs (Amphibia: Anura: Ranidae), with remarks on age determination. J Morphol 265:304\u2013317. doi: 10.1002\/jmor.10344","journal-title":"J Morphol"},{"key":"7297_CR51","doi-asserted-by":"publisher","first-page":"228","DOI":"10.1645\/0022-3395(2000)086[0228:QPISOH]2.0.CO;2","volume":"86","author":"L R\u00f3zsa","year":"2000","unstructured":"R\u00f3zsa L, Reiczingel J, Majoros G (2000) Quantifying parasites in samples of hosts. J Parasitol 86:228\u2013232. doi: 10.1645\/0022-3395(2000)086[0228:QPISOH]2.0.CO;2","journal-title":"J Parasitol"},{"key":"7297_CR52","doi-asserted-by":"publisher","first-page":"87","DOI":"10.1016\/j.jenvman.2015.07.037","volume":"162","author":"SM Santos","year":"2015","unstructured":"Santos SM, Marques JT, Louren\u00e7o A, et al. (2015) Sampling effects on the identification of roadkill hotspots: implications for survey design. J Environ Manag 162:87\u201395. doi: 10.1016\/j.jenvman.2015.07.037","journal-title":"J Environ Manag"},{"key":"7297_CR53","doi-asserted-by":"publisher","first-page":"467","DOI":"10.1007\/s11270-009-0214-6","volume":"209","author":"E Simon","year":"2009","unstructured":"Simon E, Braun M, T\u00f3thm\u00e9r\u00e9sz B (2009) Non-destructive method of frog (Rana esculenta L.) skeleton elemental analysis used during environmental assessment. Water, Air. Soil Pollut 209:467\u2013471. doi: 10.1007\/s11270-009-0214-6","journal-title":"Soil Pollut"},{"key":"7297_CR54","doi-asserted-by":"publisher","first-page":"5749","DOI":"10.1007\/s10661-011-2378-y","volume":"184","author":"E Simon","year":"2012","unstructured":"Simon E, Puky M, Braun M, T\u00f3thm\u00e9r\u00e9sz B (2012) Assessment of the effects of urbanization on trace elements of toe bones. Environ Monit Assess 184:5749\u20135754. doi: 10.1007\/s10661-011-2378-y","journal-title":"Environ Monit Assess"},{"key":"7297_CR55","doi-asserted-by":"publisher","first-page":"1668","DOI":"10.1139\/Z06-166","volume":"84","author":"JK Skei","year":"2006","unstructured":"Skei JK, Dolmen D (2006) Effects of pH, aluminium, and soft water on larvae of the amphibians Bufo bufo and Triturus vulgaris. Can J Zool 84:1668\u20131677. doi: 10.1139\/Z06-166","journal-title":"Can J Zool"},{"key":"7297_CR56","doi-asserted-by":"publisher","first-page":"239","DOI":"10.1163\/156853810791069119","volume":"31","author":"M Socha","year":"2010","unstructured":"Socha M, Ogielska M (2010) Age structure, size and growth rate of water frogs from central European natural Pelophylax ridibundus-Pelophylax esculentus mixed populations estimated by skeletochronology. Amphib-reptil 31:239\u2013250. doi: 10.1163\/156853810791069119","journal-title":"Amphib-reptil"},{"key":"7297_CR57","doi-asserted-by":"publisher","first-page":"593","DOI":"10.1007\/s00442-006-0611-0","volume":"151","author":"F S\u00f6derman","year":"2007","unstructured":"S\u00f6derman F, Van Dongen S, Pakkasmaa S, Meril\u00e4 J (2007) Environmental stress increases skeletal fluctuating asymmetry in the moor frog Rana arvalis. Oecologia 151:593\u2013604. doi: 10.1007\/s00442-006-0611-0","journal-title":"Oecologia"},{"key":"7297_CR58","unstructured":"So\u0142tysiak D (2013) Aktywna ochrona p\u0142az\u00f3w na szlakach migracyjnych. Dissertation, Adam Mickiewicz University in Pozna\u0144. [in Polish]"},{"key":"7297_CR59","doi-asserted-by":"publisher","first-page":"93","DOI":"10.3354\/cr034093","volume":"34","author":"T Sparks","year":"2007","unstructured":"Sparks T, Tryjanowski P, Cooke A, et al. (2007) Vertebrate phenology at similar latitudes: temperature responses differ between Poland and the United Kingdom. Clim Res 34:93\u201398. doi: 10.3354\/cr034093","journal-title":"Clim Res"},{"key":"7297_CR60","doi-asserted-by":"publisher","unstructured":"Stuart SN, Chanson JS, Cox NA, et al (2005) Status and trends of amphibian declines and extinctions worldwide. Science 309(80):1999c\u20131999c. doi: 10.1126\/science.1113265","DOI":"10.1126\/science.1113265"},{"key":"7297_CR61","doi-asserted-by":"publisher","first-page":"1497","DOI":"10.1289\/ehp.7585","volume":"113","author":"B Taylor","year":"2005","unstructured":"Taylor B, Skelly D, Demarchis LK, Slade MD, Galusha D, Rabinowitz PM (2005) Proximity to pollution sources and risk of amphibian limb malformation. Environ Health Perspect 113:1497\u20131501. doi: 10.1289\/ehp.7585","journal-title":"Environ Health Perspect"},{"key":"7297_CR62","volume-title":"European red list of amphibians","author":"HJ Temple","year":"2009","unstructured":"Temple HJ, Cox NA (2009) European red list of amphibians. Office for Official Publications of the European Communities, Luxembourg"},{"key":"7297_CR63","doi-asserted-by":"publisher","first-page":"429","DOI":"10.1006\/gcen.1998.7221","volume":"113","author":"E Willingham","year":"1999","unstructured":"Willingham E, Crews D (1999) Sex reversal effects of environmentally relevant xenobiotic concentrations on the red-eared slider turtle, a species with temperature-dependent sex determination. Gen Comp Endocrinol 113:429\u2013435. doi: 10.1006\/gcen.1998.7221","journal-title":"Gen Comp Endocrinol"},{"key":"7297_CR64","first-page":"1","volume":"1","author":"Z Zhelev","year":"2014","unstructured":"Zhelev Z, Aranaudov A, Boyadzhiev P (2014) Colour polymorphism, sex ratio and age structure in the populations of Pelophylax ridibundus and Pseudepidalea viridis (Amphibia: Anura) from antropogenically polluted biotopes in southern Bulgaria and their usage as bioindicators. Trakia J Sci 1:1\u201312","journal-title":"Trakia J Sci"}],"container-title":["Environmental Science and Pollution Research"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11356-016-7297-6.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s11356-016-7297-6\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11356-016-7297-6.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,24]],"date-time":"2017-06-24T16:54:28Z","timestamp":1498323268000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s11356-016-7297-6"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,8,18]]},"references-count":64,"journal-issue":{"issue":"21","published-print":{"date-parts":[[2016,11]]}},"alternative-id":["7297"],"URL":"https:\/\/doi.org\/10.1007\/s11356-016-7297-6","relation":{},"ISSN":["0944-1344","1614-7499"],"issn-type":[{"value":"0944-1344","type":"print"},{"value":"1614-7499","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016,8,18]]}}}