Publikationen von Sylvain Ursenbacher

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2024  Contribution of host species and pathogen clade to snake fungal disease hotspots in Europe — Blanvillain G, Lorch JM, Joudrier N, Bury S, Cuenot T, Franzen M, Martinez-Freiria F, Guiller G, Halpern B, Kolanek A, Kurek K, Lourdais O, Michon A, Musilova R, Schweiger S, Szulc B, Ursenbacher S, Zinenko O & Hoyt JR — Communications Biology 7: 440

2024  Inferring current and Last Glacial Maximum distributions are improved by physiology-relevant climatic variables in cold-adapted ectotherms — Guillon M, Martinez-Freiria F, Lucchini N, Ursenbacher S, Surget-Groba Y, Kageyama M, Lagarde F, Cubizolle H & Lourdais O — Journal of Biogeography 51: 1400–1415

2024  Diet variations across remote populations of a widely distributed snake species, the Asp viper (Vipera aspis aspis, Linnaeus, 1758) — Laurence F, Bonnet X, Ursenbacher S, Guiller G, Billy G, Naulleau G & Vidal N — Amphibia-Reptilia 45: 145–157

2024  Genetic identification, morphology and distribution of Natrix helvetica subspecies in southern and western Switzerland (Reptilia, Squamata, Serpentes) — Schild A, Baur H, Hertwig ST, Fritz U & Ursenbacher S — ZooKeys 1205: 223–238

2023  Genetic Diversity and Population Structure Derived from Body Remains of the Endangered Flightless Longhorn Beetle Iberodorcadion fuliginator in Grassland Fragments in Central Europe — Rusterholz H-P, Ursenbacher S, Weibel U, Coray A & Baur B — Diversity 15: 16

2022  Rare genetic admixture and unidirectional gene flow between Vipera aspis and Vipera berus at their contact zone in western France — Zwahlen V, Lourdais O, Ursenbacher S & Guiller G — Amphibia-Reptilia 43: 181–194

2022  Fine-scale vegetation complexity and habitat structure influence predation pressure on a declining snake — Duchesne T, Graitson E, Lourdais O, Ursenbacher S & Dufrêne M — Journal of Zoology 318: 205–217

2022  Multiple paternity in the Asp viper — Nanni-Geser S & Ursenbacher S — Journal of Zoology 318: 158–165

2022  Impact of invading species on biodiversity: Diet study of the green whip snake’s (Hierophis viridiflavus, L. 1789) in Switzerland — Mondino A, Crovadore J, Lefort F & Ursenbacher S — Global Ecology and Conservation 38: e02239

2021  A powerful long metabarcoding method for the determination of complex diets from faecal analysis of the European pond turtle (Emys orbicularis, L. 1758) — Ducotterd C, Crovadore J, Lefort F, Rubin J-F & Ursenbacher S — Molecular Ecology Resources 21: 433–447

2021  Only males care about their environment: sex-biased dispersal in the asp viper (Vipera aspis) — Zwahlen V, Nanni-Geser S, Golay J, Kaiser L, Dubey S & Ursenbacher S — Biological Journal of the Linnean Society 132: 104–115

2021  Low spatial autocorrelation in mountain biodiversity data and model residuals — Chevalier M, Mod H, Broennimann O, Di Cola V, Schmid S, Niculita-Hirzel H, Pradervand J-N, Schmidt BR, Ursenbacher S, Pellissier L & Guisan A — Ecosphere 12: e03403

2021  Conservation genetics of a wide-ranged temperate snake: same species, different locations, and different behaviour — Vacher J-P, Graitson E, Cauwenbergh J & Ursenbacher S — Conservation Genetics 23: 167–177

2021  Phenological and elevational shifts of plants, animals and fungi under climate change in the European Alps — Vitasse Y, Ursenbacher S, Klein G, Bohnenstengel T, Chittaro Y, Delestrade A, Monnerat C, Rebetez M, Rixen C, Strebel N, Schmidt BR, Wipf S, Wohlgemuth T, Yoccoz NG & Lenoir J — Biological Reviews 96: 1816–1835

2021  Isolation-by-distance and male-biased dispersal at a fine spatial scale: a study of the common European adder (Vipera berus) in a rural landscape — François D, Ursenbacher S, Boissinot A, Ysnel F & Lourdais O — Conservation Genetics 22: 823–837

2021  Conflicting relationships of Vipera walser inferred from nuclear genes sequences and mitochondrial DNA — Doniol-Valcroze P, Ursenbacher S, Mebert K, Ghielmi S, Laddaga L, Sourrouille P, Karis M & Crochet P-A — Journal of Zoological Systematics and Evolutionary Research 59: 2307–2320

2020  Snake conservation in anthropized landscapes: considering artificial habitats and questioning management of semi-natural habitats — Graitson E, Ursenbacher S & Lourdais O — European Journal of Wildlife Research 66: 39

2020  Climatic refugia boosted allopatric diversification in Western Mediterranean vipers — Martinez-Freiria F, Freitas I, Zuffi MAL, Golay P, Ursenbacher S & Velon-Anton G — Journal of Biogeography 47: 1698–1713

2020  Evaluating taxonomic inflation: towards evidence-based species delimitation in Eurasian vipers (Serpentes: Viperinae) — Freitas I, Ursenbacher S, Mebert K, Zinenko O, Schweiger S, Wüster W, Brito JC, Crnobrnja-Isailovic J, Halpern B, Fahd S, Santos X, Pleguezuelos JM, Joger U, Orlov N, Mizsei E, Stugariu A, Zamfirescu SR, Martinez-Solano I, Kaliontzopoulou A & Martinez-Freiria F — Amphibia-Reptilia 41: 285–311

2020  Genetic characteristics of an introduced population of Bombina bombina (Linnaeus, 1761) (Amphibia: Bombinatoridae) in Moselle, France — Vacher J-P, Aumaître D & Ursenbacher S — Acta Herpetologica 15: 47–54

2020  Mountain vipers in central-eastern Turkey: huge range extensions for four taxa reshape decades of misleading perspectives — Mebert K, Gocmen B, Igci N, Karis M, Oguz MA, Yildiz MZ, Teynie A, Stumpel N & Ursenbacher S — Herpetological Conservation and Biology 15: 169–187

2020  The feeding behaviour of the European pond turtle (Emys orbicularis, L. 1758) is not a threat for other endangered species — Ducotterd C, Crovadore J, Lefort F, Guisan A, Ursenbacher S & Rubin J-F — Global Ecology and Conservation 23: e01133

2020  Greater topoclimatic control of above- versus below-ground communities — Mod H, Scherrer D, Di Cola V, Broennimann O, Blandenier Q, Breiner FT, Buri A, Goudet J, Guex N, Lara E, Mitchell EAD, Niculita-Hirzel H, Pagni M, Pellissier L, Pinto-Figueroa E, Sanders IR, Schmidt BR, Seppey CVW, Singer D, Ursenbacher S, Yashiro E, van der Meer JR & Guisan A — Global Change Biology 26: 6715–6728

2020  Integrating ecosystem services within spatial biodiversity conservation prioritization in the Alps — Ramel C, Rey P-L, Fernandes R, Vincent C, Cardoso AR, Broennimann O, Pellissier L, Pradervand J-N, Ursenbacher S, Schmidt BR & Guisan A — Ecosystem Services 45: 101186

2019  Population genetic analyses using 10 new polymorphic microsatellite loci confirms genetic subdivision within the olm, Proteus anguinus — Vörös J, Ursenbacher S & Jelic D — Journal of Heredity 110: 211–218

2019  Climate and land-use changes reshuffle politically-weighted priority areas of mountain biodiversity — Vincent C, Fernandes RF, Cardoso AR, Broennimann O, Di Cola V, D'Amen M, Ursenbacher S, Schmidt BR, Pradervand J-N & Pellissier L — Global Ecology and Conservation 17: e00589

2018  Detection of the European pond turtle (Emys orbicularis) by environmental DNA: is eDNA adequate for reptiles? — Raemy M & Ursenbacher S — Amphibia-Reptilia 39

2017  Increased genetic structuring of isolated Salamandra salamandra populations (Caudata: Salamandridae) at the margins of the Carpathian Mountains — Vörös J, Ursenbacher S, Kiss I, Jelic D, Schweiger S & Szabó K — Journal of Zoological Systematics and Evolutionary Research 55: 138–149

2017  Hybridization between a Euro-Siberian (Vipera berus) and a Para-Mediterranean viper (V. aspis) at their contact zone in Western France — Guiller G, Lourdais O & Ursenbacher S — Journal of Zoology 302: 138–147

2017  Hybridisation between turtle subspecies: a case study with the European Pond Turtle (Emys orbicularis) — Raemy M, Fritz U, Cheylan M & Ursenbacher S — Conservation Genetics 18: 287–296

2017  A home for three: analyzing ecological correlates of body traits in a triple contact zone of alpine vipers — Mebert K, Luiselli L, Cafuta V, Golay P, Dubey S & Ursenbacher S — North-Western Journal of Zoology 13: 251–261

2017  A glitch in the Natrix: cryptic presence of alien grass snakes in Switzerland — Dubey S, Ursenbacher S, Schuerch J, Golay J, Aubert P & Dufresnes C — Herpetological Notes 10: 205–208

2017  Hybridization patterns in two contact zones of grass snakes reveal a new Central European snake species — Kindler C, Chèvre M, Ursenbacher S, Böhme W, Hille A, Jablonski D, Vamberger M & Fritz U — Scientific Reports 7: 7378

2017  A new population and subspecies of the critically endangered Anatolian meadow viper Vipera anatolica Eiselt and Baran, 1970 in eastern Antalya province — Göçmen B, Mebert K, Karis M, Oguz MA & Ursenbacher S — Amphibia-Reptilia 38: 289–305

2017  Cryptic differentiation: when morphology does not follow history — Ursenbacher S — In: natura obscura: 200 Naturforschende – 200 Naturphänomene – 200 Jahre Naturforschende Gesellschaft Basel (Füglister KM, Hicklin M & Mäser P, Red). Schwabe Verlag Basel & Naturforschende Gesellschaft Basel: 207

2017  Génétique de la population des Vipères péliades (Vipera berus - Linnaeus, 1758; Serpentes: Viperidae) dans la région du Hauts-de-France - apport de la génétique à la conservation locale de l'espèce — Ursenbacher S, Beddek M, Kaiser L, Zwahlen V, Holliday J, Rey G & Vanappelghem C — Bulletin de la Société Herpétologique de France 164: 1–4

2016  Breeding system, shell size and age at sexual maturity affect sperm length in stylommatophoran gastropods — Schmera D, Pizá J, Reinartz E, Ursenbacher S & Baur B — BMC Evolutionary Biology 16: 89

2016  A new vertebrate for Europe: the discovery of a range-restricted relict viper in the western Italian Alps — Ghielmi S, Menegon M, Marsden SJ, Laddaga L & Ursenbacher S — Journal of Zoological Systematics and Evolutionary Research 54: 161–173

2016  The valley of four viper species and a highland of dwarfs: fieldwork on threatened vipers in northeastern Turkey — Mebert K, Göçmen B, Kans M, Igci N & Ursenbacher S — IRCF Reptiles & Amphibians 23: 1–9

2015  Introduced freshwater blenny influences the diet and body condition of the invasive dice snake in Lake Geneva — Dubey S, Christe P, Formenti V, Staub E, Schuerch J, Glaizot O & Ursenbacher S — Journal of Wildlife Management 79: 338–343

2015  Umwelt-DNA als neue Methode zum Artnachweis in Gewässern — Schmidt BR & Ursenbacher S — Zeitschrift für Feldherpetologie 22: 1–10

2015  Diversifying selection and color-biased dispersal in the asp viper — Dubey S, Zwahlen V, Mebert K, Monney J-C, Golay P, Ott T, Durand T, Thiery G, Kaiser L, Geser SN & Ursenbacher S — BMC Evolutionary Biology 15: 99

2015  The dynamics of coexistence: Habitat sharing vs. segregation patterns among three sympatric montane vipers — Mebert K, Jagar T, Grželj R, Cafuta V, Luiselli L, Ostanek E, Golay P, Dubey S, Golay Joaquim  & Ursenbacher S — Biological Journal of the Linnean Society 116: 364–376

2015  New records and search for contact zones among parapatric vipers in the genus Vipera (barani, kaznakovi, darevskii, eriwanensis), Montivipera (wagneri, raddei), and Macrovipera (lebetina) in northeastern Anatolia — Mebert K, Göçmen B, Igci N, Oguz MA, Karis M & Ursenbacher S — The Herpetological Bulletin 133: 13–22

2015  Postglacial recolonisation in a cold climate specialist in Western Europe: patterns of genetic diversity in the adder (Vipera berus) support the central-marginal hypothesis — Ursenbacher S, Guillon M, Cubizolle H, Dupoué A, Blouin-Demers G & Lourdais O — Molecular Ecology 24: 3639–3651

2015  DNA Quantity and Quality in Remnants of Traffic-Killed Specimens of an Endangered Longhorn Beetle: A Comparison of Different Methods — Rusterholz H-P, Ursenbacher S, Coray A, Weibel U & Baur B — Journal of Insect Science 15: 120

2015  Processus dynamiques dans le monde animal: une meilleure compréhension grâce à la recherche sur le long terme — Cherix D, Gonseth Y, Pellet J, Bernasconi C, Bohnenstengel T, Capt S, Filli F, Freitag A, Hänggi A, Lutz Mühlethaler M, Maeder A, Mühlethaler E, Müller M, Müller JP, Paschke A, Schmid J, Ursenbacher S, Zbinden N & Baur B — In: Au coeur de la nature – Cent ans de recherches au Parc national Suisse (Baur B & Scheurer T, Red). Nationalpark-Forschung in der Schweiz 100/II, Haupt Verlag, Bern: 176–209

2014  Pro-opiomelanocortin gene and melanin-based colour polymorphism in a reptile — Ducrest A-L, Ursenbacher S, Golay P, Monney J-C, Mebert K, Roulin A & Dubey S — Biological Journal of the Linnean Society 111: 160–168

2014  The genus Atheris (Serpentes: Viperidae) in East Africa: Phylogeny and the role of rifting and climate in shaping the current pattern of species diversity — Menegon M, Loader SP, Marsden SJ, Branch WR, Davenport TBR & Ursenbacher S — Molecular Phylogenetics and Evolution 79: 12–22

2014  Influence of climate on the presence of colour polymorphism in two montane reptile species — Broennimann O, Ursenbacher S, Meyer A, Golay P, Monney J-C, Schmocker H, Guisan A & Dubey S — Biology Letters 10: 20140638

2014  Dynamische Prozesse in der Tierwelt: Langzeitforschung bringt Verständnis — Cherix D, Gonseth Y, Pellet J, Bernasconi C, Bohnenstengel T, Capt S, Filli F, Freitag A, Hänggi A, Lutz Mühlethaler M, Maeder A, Mühlethaler E, Müller M, Müller JP, Paschke A, Schmid J, Ursenbacher S, Zbinden N & Baur B — In: Wissen schaffen – 100 Jahre Forschung im Schweizerischen Nationalpark (Baur B & Scheurer T, Red). Nationalpark-Forschung in der Schweiz 100, Haupt Verlag, Bern: 176–209

2014  Vipern der Nordost-Türkei: Genfluss und Umweltfaktoren zwischen den Taxa des Vipera-barani-kaznakovi-darvsky-Komplexes — Mebert K, Igci N, Göçmen B & Ursenbacher S — Elaphe: 58–67

2013  Unravelling landscape variables with multiple approaches to overcome scarce species knowledge: a landscape genetic study of the slow worm — Geiser C, Ray N, Lehmann A & Ursenbacher S — Conservation Genetics 14: 783–794

2013  Development of polymorphic microsatellite markers for the asp viper (Vipera aspis) using high-throughput sequencing and their use for other European vipers — Geser S, Kaiser L, Zwahlen V & Ursenbacher S — Amphibia-Reptilia 34: 1009–113

2013  European pond turtle (Emys orbicularis) conservation projects in Switzerland — Raemy M, Monney J-C & Ursenbacher S — Herpetological Notes 6: 111–112

2013  Site occupancy models in the analysis of environmental DNA presence/absence surveys: A case study of an emerging amphibian pathogen — Schmidt BR, Kéry M, Ursenbacher S, Hyman OJ & Collins JP — Methods in Ecology and Evolution 4: 646–653

2013  Vipère péliade en Engadine - Le PNS comme référence — Ursenbacher S & Monney J-C — In: Atlas du Parc National Suisse. Haupt: 120–121

2013  Die Kreuzotter im Engadin - die Val Trupchun als Referenzgebiet — Ursenbacher S & Monney J-C — In: Atlas des Schweizerischen Nationalparks. Haupt: 120–121

2012  Separate introductions but lack of genetic variability in the invasive clam Corbicula spp. in Swiss lakes — Schmidlin S, Schmera D, Ursenbacher S & Baur B — Aquatic Invasions 7: 73–80

2012  Frequency of multiple paternity in the grass snake (Natrix natrix) — Meister B, Ursenbacher S & Baur B — Amphibia-Reptilia 33: 308–312

2012  Grass snake population differentiation over different geographic scales — Meister B, Ursenbacher S & Baur B — Herpetologica 68: 134–145

2012  Preliminary analysis of dorsal pattern variation and sexual dimorphism in Montivipera latifii (Mertens, Darevsky and Klemmer, 1967) (Ophidia: Viperidae) — Rajabizadeh M, Yazdanpanah A & Ursenbacher S — Acta Herpetologica 7: 13–21

2012  Phylogeography of the Vipera ursinii complex (Viperidae): mitochondrial markers reveal an east–west disjunction in the Palaearctic region — Ferchaud A-L, Ursenbacher S, Cheylan M, Luiselli L, Jelic D, Halpern B, Major A, Kotenko T, Keyan N, Behrooz R, Crnobrnja-Isailovic J, Tomovic L, Ghira I, Ioannidis Y, Arnal V & Montgelard C — Journal of Biogeography 39: 1836–1847

2012  Landschaftsstruktur und Genfluss bei Amphibien und Reptilien im Elsass — Ursenbacher S & Meyer E — Regio Basiliensis 53: 135–141

2011  High genetic differentiation among French populations of Orsini's viper (Vipera ursinii ursinii) based on mitochondrial and microsatellite data: Implications for conservation management — Ferchaud A-L, Lyet A, Cheylan M, Arnal V, Baron J-P, Montgelard C & Ursenbacher S — Journal of Heredity 102: 67–78

2011  New polymorphic microsatellite markers of the endangered meadow viper (Vipera ursinii) identified by 454 high-throughput sequencing: when innovation meets conservation — Metzger C, Ferchaud A-L, Geiser C & Ursenbacher S — Conservation Genetics Resources 3: 589–592

2011  Genetic differences between the two remaining wild populations of the endangered Indian rhinoceros (Rhinoceros unicornis) — Zschokke S, Armbruster GFJ, Ursenbacher S & Baur B — Biological Conservation 144: 2702–2709

2011  Structural habitat partitioning of Natrix tessellata and Natrix maura at lake Geneva, Switzerland — Mazza G, Monney J-C & Ursenbacher S — In: Mertensiella Band 18: Die Würfelnatter (Mebert K, Red). DGHT, Reinach: 80–85

2011  Ungewöhnlich hoher Farb-Polymorphismus in alpinen Aspisvipern in Frankreich – Zufall oder natürliche Selektion — Mebert K, Zwahlen V, Golay P, Durand T & Ursenbacher S — Elaphe 1/2011: 13–19

2011  Diet variability of two convergent natricine colubrids in an invasive-native interaction — Metzger C, Christe P & Ursenbacher S — In: Mertensiella Band 18: Die Würfelnatter (Mebert K, Red). DGHT, Reinach: 86–93

2010  High population differentiation in the rock-dwelling land snail (Trochulus caelatus) endemic to the Swiss Jura mountains — Ursenbacher S, Alvarez C, Armbruster GFJ & Baur B — Conservation Genetics 11: 1265–1271

2010  Spatial genetic analysis of the grass snake, Natrix natrix (Squamata: Colubridae), in an intensively used agricultural landscape — Meister B, Hofer U, Ursenbacher S & Baur B — Biological Journal of the Linnean Society 101: 51–58

2010  La couleuvre tessellée — Ursenbacher S — In: Les reptiles de France, Belgique, Luxembourg et Suisse (Vacher J-P & Geniez M, Red). Biotope, Mèze (Collection Parthénope); Muséum national d'Histoire naturelle, Paris: 417–475

2010  La vipère péliade — Ursenbacher S & Naulleau G — In: Les reptiles de France, Belgique, Luxembourg et Suisse (Vacher J-P & Geniez M, Red). Biotope, Mèze (Collection Parthénope); Muséum national d'Histoire naturelle, Paris: 496–503

2010  Menaces et Conservation — Vacher J-P, Bonnet X, Cheylan M, Grillet P, Grossi J-L, Lourdais O, Monney J-C, Percsy C, Proess R & Ursenbacher S — In: Les reptiles de France, Belgique, Luxembourg et Suisse (Vacher J-P & Geniez M, Red). Biotope, Mèze (Collection Parthénope); Muséum national d'Histoire naturelle, Paris: 162–195

2009  Genetic differentiation in two European tree frog (Hyla arborea) metapopulations in contrasted landscapes of western Switzerland — Dubey S, Ursenbacher S, Pellet J & Fumagalli L — Amphibia-Reptilia 30: 127–133

2009  Male reproductive success and multiple paternity in wild, low density populations of the adder (Vipera berus) — Ursenbacher S, Erny C & Fumagalli L — Journal of Heredity 100: 365–370

2009  Testing the competitive exclusion principle using various niche parameters in a native (Natrix maura) and an introduced (N. tessellata) colubrid — Metzger C, Ursenbacher S & Christe P — Amphibia-Reptilia 30: 523–531

2009  Konkurrenz zwischen Würfelnatter und Vipernatter am Genfersee? — Ursenbacher S — In: Die Würfelnatter - Reptil des Jahres 2009: Aktionbroschüre. Deutsche Gesellschaft für Herpetologie und Terrarienkunde (DGHT): 12–12

2009  Deux formes de la vipère péliade en Suisse — Ursenbacher S — In: Les amphibiens et les reptiles de Suisse (Meyer A, Zumbach S, Schmidt B & Monney J-C, Red). Haupt Verlag, Bern: 273–274

2009  Limited genetic diversity and high differentiation among the remnant adder (Vipera berus) populations in the Swiss and French Jura Mountains — Ursenbacher S, Monney J-C & Fumagalli L — Conservation Genetics 10: 303–315

2008  Systematics of the Swiss asp vipers: some implications for the European Vipera aspis (Linnaeus 1758) complex (Serpentes: Viperidae) — A tribute to Eugen KRAMER — Golay P, Monney J-C, Conelli A, Durand T, Thiery G, Zuffi MAL & Ursenbacher S — Amphibia-Reptilia 29: 71–83

2008  Molecular phylogeography of the nose-horned viper (Vipera ammodytes): evidence for high genetic diversity and multiple refugia in the Balkan peninsula — Ursenbacher S, Schweiger S, Tomović L, Crnobrnja-Isailović J, Fumagalli L & Mayer W — Molecular Phylogenetics and Evolution 46: 1116–1128

2006  Phylogeography of the asp Viper (Vipera aspis) inferred from mitochondrial DNA sequence data: Evidence for multiple Mediterranean refugial areas — Ursenbacher S, Conelli A, Golay P, Monney J-C, Zuffi MAL, Thiery G, Durand T & Fumagalli L — Molecular Phylogenetics and Evolution 38: 546–552

2006  Phylogeography and Pleistocene refugia of the Adder (Vipera berus) as inferred from mitochondrial DNA sequence data — Ursenbacher S, Carlsson M, Helfer V, Tegelstrom H & Fumagalli L — Molecular Ecology 15: 3425–3437

2006  Origine des populations de rainette verte (Hyla ssp.) de l'ouest de la Suisse — Dubey S, Ursenbacher S & Fumagalli L — Revue Suisse de Zoologie 113: 879–887

2005  Are there morphologicaldifferences between two genetically differentiated clades in the adder Vipera berus berus? — Ursenbacher S, Sasu I, Rossi M & Monney J-C — In: Herpetologia Petropolitana (Ananjeva N & Tsinenko O, Red). Proceedings of the 12th Ordinary Meeting of Societas Europaea Herpetologica (SEH), Saint-Petersburg, Russia: 96–98

2003  La Couleuvre tesselée : Natrix tessellata (Laurenti, 1768), en Suisse — Lorvelec O, Fretey T & Ursenbacher S — In: Evolution holocène de la faune de Vertébrés de France : invasions et disparitions (Pascal M, Lorvelec O, Vigne J-D, Keith P & Clergeau P, Red). Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Muséum National d'Histoire Naturelle. Rapport au Ministère de l'Ecologie et du Développement Durable (Direction de la Nature et des Paysages), Paris, France. Version définitive du 10 juillet 2003: 335–336

2003  Le Triton crêté italien : Triturus carnifex (Laurenti, 1768) — Lorvelec O, Ursenbacher S & Fretey T — In: Evolution holocène de la faune de Vertébrés de France : invasions et disparitions (Pascal M, Lorvelec O, Vigne J-D, Keith P & Clergeau P, Red). Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Muséum National d'Histoire Naturelle. Rapport au Ministère de l'Ecologie et du Développement Durable (Direction de la Nature et des Paysages), Paris, France. Version définitive du 10 juillet 2003: 144–145

2003  Résultats de 5 années de suivi d'une population de Vipères péliades (Vipera berus) dans le Jura suisse: estimation des effectifs et discussion des méthodes d'estimation — Ursenbacher S & Monney J-C — Bulletin de la Société Herpétologique de France 107: 15–25

1999  Estimation de l'effectif de Couleuvres vipérines (Natrix maura) et de Couleuvres tesselées (N. tessellata) dans le Lavaux — Koller N & Ursenbacher S — In: Annales du Colloque 'Découvrir le Léman' (Bertola C, Goumand C & Rubin J-F, Red). Musée du Léman & Editions Slatkine, Genève: 313–322