Stefan Widmer

Personal profile

Position at the ZHAW

PhD Student Research Group Vegetation Ecology

www.zhaw.ch/iunr/vegetation/

Expertise and research interests

Vegetation resurvey

Educational background

Quantitative Ecology Module, University of South Bohemia
MSc ZFH in Environment and Natural Resources
BSc ZFH in Natural Resource Sciences

Membership of networks

• International Association for Vegetation Science (IAVS)
• Schweizerische Botanische Gesellschaft (SBG)
• Zürcherische Botanische Gesellschaft (ZBG)
• Eurasian Dry Grassland Group (EDGG)

Projects

• Lehrbuch Vegetationsanalyse / Team member / Project ongoing
• Square Foot Project / Team member / Project ongoing
• Ausbreitung des Adlerfarns am Zielhang Calanda / Team member / Project completed
• Untersuchung von Grasländern zur Quantifizierung des Problems toxischer Gefässpflanzen für Weidetiere / Team member / Project completed
• Qualitätsanforderungen im Grünland / Team member / Project completed
• Calanda - Messungen und Ausriss Adlerfarn in den Gebieten Arabühl und Malabühl / Team member / Project completed
• Floristic and vegetation-ecological analyses of the green roofs of the lake water plant / Team member / Project completed
• Standörtliche Analyse der LFI-Waldränder / Team member / Project completed
• Bekämpfen der Grünerle zur Förderung von Alpen-Akelei, Birkhuhn und anderen Prioritären Arten im Jagdbanngebiet „Graue Hörner“ (SG) / Team member / Project completed
• Nutzungsaufgabe der Schafalpung im Jagdbanngebiet "Graue Hörner" (SG) / Team member / Project completed
• Waldrandschlüssel mit Praxishilfe / Team member / Project completed
• Bekämpfung des Adlerfarns am Calanda bei Chur / Team member / Project completed

Publications

• Riesen, Matthias; Widmer, Stefan; Dengler, Jürgen; Billeter, Regula,

  2022.

  Einfluss maschinell geöffneter Lichtungen auf die Artenvielfalt in Grün-Erlen-Beständen : eine Untersuchung zu Gefäßpflanzen, Tagfaltern und Heuschrecken.

  Naturschutz und Landschaftsplanung.

  54(8), pp. 24-31.

  Available from: https://doi.org/10.1399/NuL.2022.08.02

• Bergauer, Miro; Dembicz, Iwona; Boch, Steffen; Willner, Wolfgang; Babbi, Manuel; Blank-Pachlatko, Jonathan; Catalano, Chiara; Cykowska-Marzencka, Beata; Gehler, Jamyra; Guarino, Riccardo; Keller, Sabrina; Moysiyenko, Ivan; Vynokurov, Denys; Widmer, Stefan; Dengler, Jürgen,

  2022.

  Scale-dependent patterns and drivers of vascular plant, bryophyte and lichen diversity in dry grasslands of the Swiss inneralpine valleys.

  Alpine Botany.

  132(2), pp. 195-209.

  Available from: https://doi.org/10.1007/s00035-022-00285-y

• Charmillot, Kévin; Hedinger, Christian; Babbi, Manuel; Widmer, Stefan; Dengler, Jürgen,

  2021.

  Vegetation change in meso-xeric grasslands of the Swiss Jura Mts. over 40 years.

  Tuexenia.

  41, pp. 441-457.

  Available from: https://doi.org/10.14471/2021.41.019

• Kummli, Julia; Widmer, Stefan; Wilhelm, Markus; Dengler, Jürgen; Billeter, Regula,

  2021.

  Vegetation changes in urban grasslands over 25 years in the city of Zurich, Switzerland.

  Tuexenia.

  41, pp. 423-440.

  Available from: https://doi.org/10.14471/2021.41.018

• Biurrun, Idoia; Pielech, Remigiusz; Dembicz, Iwona; Gillet, François; Kozub, Łukasz; Marcenò, Corrado; Reitalu, Triin; Van Meerbeek, Koenraad; Guarino, Riccardo; Chytrý, Milan; Pakeman, Robin J.; Herrera, Mercedes; Hüllbusch, Elisabeth M.; Ingerpuu, Nele; Jägerbrand, Annika K.; Jandt, Ute; Janišová, Monika; Jeanneret, Philippe; Jeltsch, Florian; Jensen, Kai; Jentsch, Anke; Preislerová, Zdenka; Kącki, Zygmunt; Kakinuma, Kaoru; Kapfer, Jutta; Kargar, Mansoureh; Kelemen, András; Kiehl, Kathrin; Kirschner, Philipp; Koyama, Asuka; Langer, Nancy; Lazzaro, Lorenzo; Axmanová, Irena; Lepš, Jan; Li, Ching‐Feng; Li, Frank Yonghong; Liendo, Diego; Lindborg, Regina; Löbel, Swantje; Lomba, Angela; Lososová, Zdeňka; Lustyk, Pavel; Luzuriaga, Arantzazu L.; Burrascano, Sabina; Ma, Wenhong; Maccherini, Simona; Magnes, Martin; Malicki, Marek; Manthey, Michael; Mardari, Constantin; May, Felix; Mayrhofer, Helmut; Meier, Eliane Seraina; Memariani, Farshid; Bartha, Sándor; Merunková, Kristina; Michelsen, Ottar; Molero Mesa, Joaquín; Moradi, Halime; Moysiyenko, Ivan; Mugnai, Michele; Naqinezhad, Alireza; Natcheva, Rayna; Ninot, Josep M.; Nobis, Marcin; Boch, Steffen; Noroozi, Jalil; Nowak, Arkadiusz; Onipchenko, Vladimir; Palpurina, Salza; Pauli, Harald; Pedashenko, Hristo; Pedersen, Christian; Peet, Robert K.; Pérez‐Haase, Aaron; Peters, Jan; Bruun, Hans Henrik; Pipenbaher, Nataša; Pirini, Chrisoula; Pladevall‐Izard, Eulàlia; Plesková, Zuzana; Potenza, Giovanna; Rahmanian, Soroor; Rodríguez‐Rojo, Maria Pilar; Ronkin, Vladimir; Rosati, Leonardo; Ruprecht, Eszter; Conradi, Timo; Rusina, Solvita; Sabovljević, Marko; Sanaei, Anvar; Sánchez, Ana M.; Santi, Francesco; Savchenko, Galina; Sebastià, Maria Teresa; Shyriaieva, Dariia; Silva, Vasco; Škornik, Sonja; De Frenne, Pieter; Šmerdová, Eva; Sonkoly, Judit; Sperandii, Marta Gaia; Staniaszek‐Kik, Monika; Stevens, Carly; Stifter, Simon; Suchrow, Sigrid; Swacha, Grzegorz; Świerszcz, Sebastian; Talebi, Amir; Essl, Franz; Teleki, Balázs; Tichý, Lubomír; Tölgyesi, Csaba; Torca, Marta; Török, Péter; Tsarevskaya, Nadezda; Tsiripidis, Ioannis; Turisová, Ingrid; Ushimaru, Atushi; Valkó, Orsolya; Filibeck, Goffredo; Van Mechelen, Carmen; Vanneste, Thomas; Vasheniak, Iuliia; Vassilev, Kiril; Viciani, Daniele; Villar, Luis; Virtanen, Risto; Vitasović‐Kosić, Ivana; Vojtkó, András; Vynokurov, Denys; Hájek, Michal; Waldén, Emelie; Wang, Yun; Weiser, Frank; Wen, Lu; Wesche, Karsten; White, Hannah; Widmer, Stefan; Wolfrum, Sebastian; Wróbel, Anna; Yuan, Zuoqiang; Jiménez‐Alfaro, Borja; Zelený, David; Zhao, Liqing; Dengler, Jürgen; Kuzemko, Anna; Molnár, Zsolt; Pärtel, Meelis; Pätsch, Ricarda; Prentice, Honor C.; Roleček, Jan; Sutcliffe, Laura M. E.; Terzi, Massimo; Winkler, Manuela; Wu, Jianshuang; Aćić, Svetlana; Acosta, Alicia T. R.; Afif, Elias; Akasaka, Munemitsu; Alatalo, Juha M.; Aleffi, Michele; Aleksanyan, Alla; Ali, Arshad; Apostolova, Iva; Ashouri, Parvaneh; Bátori, Zoltán; Baumann, Esther; Becker, Thomas; Bello, Francesco; Belonovskaya, Elena; Benito Alonso, José Luis; Berastegi, Asun; Bergamini, Ariel; Bhatta, Kuber Prasad; Bonini, Ilaria; Büchler, Marc‐Olivier; Budzhak, Vasyl; Bueno, Álvaro; Buldrini, Fabrizio; Campos, Juan Antonio; Cancellieri, Laura; Carboni, Marta; Ceulemans, Tobias; Chiarucci, Alessandro; Chocarro, Cristina; Conti, Luisa; Csergő, Anna Mária; Cykowska‐Marzencka, Beata; Czarniecka‐Wiera, Marta; Czarnocka‐Cieciura, Marta; Czortek, Patryk; Danihelka, Jiří; Deák, Balázs; Demeter, László; Deng, Lei; Diekmann, Martin; Dolezal, Jiri; Dolnik, Christian; Dřevojan, Pavel; Dupré, Cecilia; Ecker, Klaus; Ejtehadi, Hamid; Erschbamer, Brigitta; Etayo, Javier; Etzold, Jonathan; Farkas, Tünde; Farzam, Mohammad; Fayvush, George; Fernández Calzado, María Rosa; Finckh, Manfred; Fjellstad, Wendy; Fotiadis, Georgios; García‐Magro, Daniel; García‐Mijangos, Itziar; Gavilán, Rosario G.; Germany, Markus; Ghafari, Sahar; Giusso del Galdo, Gian Pietro; Grytnes, John‐Arvid; Güler, Behlül; Gutiérrez‐Girón, Alba; Helm, Aveliina,

  2021.

  Benchmarking plant diversity of Palaearctic grasslands and other open habitats.

  Journal of Vegetation Science.

  32(4), pp. e13050.

  Available from: https://doi.org/10.1111/jvs.13050

• Zhang, Jinhui; Gillet, François; Bartha, Sándor; Alatalo, Juha Mikael; Biurrun, Idoia; Dembicz, Iwona; Grytnes, John‐Arvid; Jaunatre, Renaud; Pielech, Remigiusz; Van Meerbeek, Koenraad; Vynokurov, Denys; Widmer, Stefan; Aleksanyan, Alla; Bhatta, Kuber Prasad; Campos, Juan Antonio; Czortek, Patryk; Dolezal, Jiri; Essl, Franz; García‐Mijangos, Itziar; Guarino, Riccardo; Güler, Behlül; Hájek, Michal; Kuzemko, Anna; Li, Frank Yonghong; Löbel, Swantje; Moradi, Halime; Naqinezhad, Alireza; Silva, Vasco; Šmerdová, Eva; Sonkoly, Judit; Stifter, Simon; Talebi, Amir; Török, Péter; White, Hannah; Wu, Jianshuang; Dengler, Jürgen,

  2021.

  Scale dependence of species–area relationships is widespread but generally weak in Palaearctic grasslands.

  Journal of Vegetation Science.

  32(3), pp. e13044.

  Available from: https://doi.org/10.1111/jvs.13044

• Backhaus, Lindsay; Albert, Georg; Cuchietti, Anibal; Jaimes Nino, Luisa Maria; Fahs, Nina; Lisner, Aleš; Kolář, Vojtěch; Kermavnar, Janez; Widmer, Stefan; Zimmermann, Zita; Rofrics, Nora; de Bello, Francesco; Lepš, Jan; García Medina, Nagore,

  2021.

  Shift from trait convergence to divergence along old field succession.

  Journal of Vegetation Science.

  32(2), pp. 1-13.

  Available from: https://doi.org/10.1111/jvs.12986

• Keller, Sabrina; Babbi, Manuel; Widmer, Stefan; Gehler, Jamyra; Hausmann, Sonja; Berg, Christian; Landucci, Flavia; Schwager, Patrick; Sumberova, Katerina; Dengler, Jürgen,

  2020.

  Determination of habitat requirements of the glacial relict Nuphar pumila as basis for successful (re-)introductions.

  Tuexenia.

  40, pp. 309-326.

  Available from: https://doi.org/10.14471/2020.40.022

• Widmer, Stefan; Riesen, Matthias; Krüsi, Bertil; Dengler, Jürgen; Billeter, Regula,

  2020.

  Wenn Gämsen Schafe ersetzen : Fallstudie zu den Auswirkungen auf die Diversität von alpinen Rasen.

  Tuexenia.

  40, pp. 225-246.

  Available from: https://doi.org/10.14471/2020.40.013

• Biurrun, Idoia; Burrascano, Sabina; Dembicz, Iwona; Guarino, Riccardo; Kapfer, Jutta; Pielech, Remigiusz; Babbi, Manuel; Hepenstrick, Daniel; Widmer, Stefan; Dengler, Jürgen; et al.,

  2019.

  GrassPlot v. 2.00 : first update on the database of multi-scale plant diversity in Palaearctic grasslands.

  Palaearctic Grasslands.

  (44), pp. 26-47.

  Available from: https://doi.org/10.21256/zhaw-19031

• Frei, Eva Silvia; Widmer, Stefan; Babbi, Manuel; Krüsi, Bertil,

  2019.

  Extensive Bekämpfung des Adlerfarns an einem voralpinen Trockenstandort.

  Naturschutz und Landschaftsplanung.

  51(8), pp. 374-381.

• Dengler, Jürgen; Widmer, Stefan; Staubli, Eline; Babbi, Manuel; Gehler, Jamyra; Hepenstrick, Daniel; Bergamini, Ariel; Billeter, Regula; Boch, Steffen; Rohrer, Sven; Dembicz, Iwona,

  2019.

  Dry grasslands of the central valleys of the Alps from a European perspective : the example of Ausserberg (Valais, Switzerland).

  Hacquetia.

  18(2), pp. 155-177.

  Available from: https://doi.org/10.2478/hacq-2019-0008

• Widmer, Stefan; Frei, Eva Silvia; Babbi, Manuel; Krüsi, Bertil,

  2018.

  Extensive Bekämpfung des Adlerfarns fördert die floristische Vielfalt.

  Bauhinia.

  2018(27).

  Available from: https://doi.org/10.21256/zhaw-4939

• Babbi, Manuel; Widmer, Stefan; Blattner, Marcel; Krüsi, Bertil,

  2016.

  Waldrandaufwertungen : Einfluss von Exposition und Wüchsigkeit des Standorts.

  Schweizerische Zeitschrift für Forstwesen.

  167(5), pp. 286-293.

  Available from: https://doi.org/10.3188/szf.2016.0286

• Dengler, Jürgen; Babbi, Manuel; Widmer, Stefan,

  2021.

  Square Foot Project gestartet : Wandel der Grünlanddiversität in der Schweiz über ein Jahrhundert.

  IUNR Magazin.

  2021(1), pp. 13.

  Available from: https://doi.org/10.21256/zhaw-22288

• Babbi, Manuel; Widmer, Stefan; Frei, Eva Silvia,

  2020.

  Erfolgreiche extensive Bekämpfung des invasiven Adlerfarns.

  N+L Inside.

  2020(2), pp. 28-31.

  Available from: https://doi.org/10.21256/zhaw-20114

• Babbi, Manuel; Widmer, Stefan; Ochsner, Pascal; Krüsi, Bertil,

  2017.

  Hilfe von oben : Erfassung von Adlerfarnbeständen mit Drohnen.

  Vierteljahrsschrift der Naturforschenden Gesellschaft in Zürich.

  162(3/4), pp. 10-11.

go back