Publikationen
Vorabdrücke
Hassenrueck C, Poprick T, Helfer V, Molari M, Meyer R, Kostadinov I. FAIR enough? A perspective on the status of nucleotide sequence data and metadata on public archives. bioRxiv 2021.09.23.461561; doi: https://doi.org/10.1101/2021.09.23.461561
Beiträge in referierten Fachzeitschriften
* Begutachtung durch kollegiale Konsortien
Agyekum MK, Zimmer M, MacKay F, Weerts S, Helfer V. 2025. Spatial and temporal patterns of mangrove forest canopy gaps at the southern distribution limit. Bull Mar Sci. 101(3). https://doi.org/10.5343/bms.2023.0165
Cheung CY, Helfer V. 2024. A critical appraisal of occurrence data in OBIS and GBIF databases: a case study on true mangrove species. Bulletin of Marine Science. https://doi.org/10.5343/bms.2024.0022
von Hammerstein H, Fett TM, Ferse SCA, Helfer V, Kininmonth S, Bejarano S. 2024. Individual mangrove trees provide alternative reef fish habitat on backreefs. Sci Rep 14, 18574. https://doi.org/10.1038/s41598-024-69524-y
Van Dam B, Helfer V, Kaiser D, Sinemus E, Staneva J, Zimmer M. 2024. Towards a fair, reliable, and practical verification framework for Blue Carbon-based CDR Environ. Res. Lett. https://doi.org/10.1088/1748-9326/ad5fa3
Beloto N, Cotovicz LC, Rodrigues JVM, Gmach MR, Zimmer M, Helfer V, Soares MO, Bezerra LEA. 2023. Blue carbon stock heterogeneity in Brazilian mangrove forests: A systematic review. Marine Pollution Bulletin 197. https://doi.org/10.1016/j.marpolbul.2023.115694.
Zimmer M, Ajonina GN, Amir AA, Cragg, SM, Crooks S, Dahdouh-Guebas F, Duke NC, Fratini S, Friess DA, Helfer V, Huxham M, Kathiresan K, Kodikara, KAS, Koedam N, Lee SY, Mangora MM, Primavera J, Satyanarayana B, Yong, JWH, Wodehouse D. 2022. When nature needs a helping hand: Different levels of human intervention for mangrove (re-)establishment. Frontiers in Forests and Global Change 5 . https://doi.org/10.3389/ffgc.2022.784322.
Ghosh S, Proisy C, Muthusankar G, Hassenrück C, Helfer V, Mathevet R, Andrieu J, Balachandran N, Narendran R. 2022. Multiscale Diagnosis of Mangrove Status in Data-Poor Context Using Very High Spatial Resolution Satellite Images: A Case Study in Pichavaram Mangrove Forest, Tamil Nadu, India. Remote Sensing 14(10): 2317. https://doi.org/10.3390/rs14102317
Quadros AF, Helfer V, Nordhaus I, Reuter H, Zimmer M. 2021. Functional traits of terrestrial plants in the intertidal: A review on mangrove trees. Biological Bulletin 241(2). https://doi.org/10.1086/716510
Gutting R, Syrbe R-U, Grunewald K, Mehlig U, Helfer V, Zimmer M. 2021. The Benefits of Combining Global and Local Data—A Showcase for Valuation and Mapping of Mangrove Climate Regulation and Food Provisioning Services within a Protected Area in Pará, North Brazil. Land 10(4): 432. https://doi.org/10.3390/land10040432
Yannic G, Helfer V, Sermier R, Schmidt BR, Fumagalli L. 2021. Fine scale genetic structure in fire salamanders (Salamandra salamandra) along a rural-to-urban gradient. Conserv Genet. https://doi.org/10.1007/s10592-021-01335-4
Schwenke T, Helfer V. 2021. Beyond borders: The status of interdisciplinary mangrove research in the face of global and local threats. Estuarine, Coastal and Shelf Science 250. https://doi.org/10.1016/j.ecss.2020.107119
Allard SM, Costa MT, Bulseco AN, Helfer V, Wilkins LGE, Hassenrück C, Zengler K, Zimmer M, Erazo N, Mazza Rodrigues JL, Duke N, Melo VMM, Vanwonterghem I, Junca H, Makonde HM, Jiménez DJ, Tavares TCL, Fusi M, Daffonchio D, Duarte CM, Peixoto RS, Rosado AS, Gilbert JA, Bowman J. 2020. Introducing the Mangrove Microbiome Initiative: identifying microbial research priorities and approaches to better understand, protect, and rehabilitate mangrove ecosystems. mSystems 5:e00658-20. DOI: 10.1128/mSystems.00658-20
Le Minor M, Bartzke G, Zimmer M, Gillis L, Helfer V, Huhn K. 2019. Numerical modelling of hydraulics and sediment dynamics around mangrove seedlings: Implications for mangrove establishment and reforestation. Estuarine, Coastal and Shelf Science 217: 81-95. https://doi.org/10.1016/j.ecss.2018.10.019
Sunje E, Van Damme R, Jelic D, Mueller M, Skrijelj R, Helfer V. 2019. Morphometric characteristics of Alpine salamanders: a support for subspecies validation and conservation? Amphibia-Reptilia 40(1), 79-89. doi: https://doi.org/10.1163/15685381-20181051
Bakkar T, Helfer V, Himmelsbach R, & Zimmer M. 2017. Chemical changes in detrital matter upon digestive processes in a sesarmid crab feeding on mangrove leaf litter. Hydrobiologia, 803 (1), 307-315. https://doi.org/10.1007/s10750-017-3319-8
Straub C, Pichlmüller F, Helfer V. 2015. Population genetics of fire salamanders in a pre-Alpine urbanized area (Salzburg, Austria). SALAMANDRA 51 (3), 245–251.
Vences M, Sanchez E, Hauswaldt S, Eikelmann D, Rodríguez A, Carranza S, Donaire D, Gehara M, Helfer V, Lötters S, Werner P, Schulz S & Steinfartz S. 2014. Nuclear and mitochondrial multilocus phylogeny and survey of alkaloid content in true salamanders of the genus Salamandra (Salamandridae). Molecular Phylogenetics and Evolution, 73, 208-216.
Pichlmüller F, Straub, C, Helfer V. 2013. Skin swabbing of amphibian larvae yields sufficient DNA for efficient sequencing and reliable microsatellite genotyping. Amphibia-Reptilia, 34 (4), 517–523
Helfer V, Broquet T & Fumagalli L. 2012. Sex-specific estimates of dispersal show female philopatry and male dispersal in a promiscuous amphibian, the alpine salamander (Salamandra atra). Molecular Ecology, 21 (19), 4706-4720.
* Helfer V, Gimeno A, Balzarini L, Schwarzenbacher R & Ferri V. 2011. Genetic characterization of Alpine salamander populations in Valtelline (Lombardia, Italy): preliminary results. Pianura, 27, 91-94.
* Helfer V & Monney, JC. 2009. Batraciens et reptiles du Vallon de Nant - Premier recensement. Mémoire de la Société vaudoise des Sciences naturelles, 23, 179-188.
Pellet J, Helfer V & Yannic G. 2007. Estimating population size in the European tree frog (Hyla arborea) using individual recognition and chorus counts. Amphibia-Reptilia, 28 (2), 287-294.
Hirzel AH, Le Lay G, Helfer V, Randin C & Guisan A. 2006. Evaluating the ability of habitat suitability models to predict species presences. Ecological Modelling, 199 (2), 142-152.
Ursenbacher S, Carlsson M, Helfer V, Tegelström H & Fumagalli L. 2006. Phylogeography and Pleistocene refugia of the Adder (Vipera berus) as inferred from mitochondrial DNA sequence data. Molecular Ecology, 15 (11), 3425-3437.
Reutter BA, Helfer V, Hirzel AH & Vogel P. 2003. Modelling habitat-suitability using museum collections: an example with three sympatric Apodemus species from the Alps. Journal of Biogeography, 30 (4), 581-590.
Hirzel AH, Helfer V & Métral F. 2001. Assessing habitat-suitability models with a virtual species. Ecological Modelling, 145 (2-3), 111-121.
Fachbücher
Böer B, Dansie A, Helfer V, Kiran S, Shipin O, Zimmer M. 2024. Les Arbres des Océans. In: Clüsener-Godt, M., Matsuda, H., Böer, B., Loughland, R.A. (eds) Blue Carbon Mangrove Ecosystems. Blue Carbon Ecosystems for Sustainable Development , vol 1. Springer, Cham. https://doi.org/10.1007/978-3-031-69553-7_14
Le Minor M, Zimmer M, Helfer V, Gillis LG, Huhn K. 2021. Flow and sediment dynamics around structures in mangrove ecosystems - modeling perspective. In: Sidik F, Friess D (Eds). Dynamic sedimentary environments of mangrove coasts. Elsevier, Amsterdam, The Netherlands: 83-120. https://doi.org/10.1016/B978-0-12-816437-2.00012-4
Helfer V, Hassenrück C. 2021. Microbial communities in mangrove sediments. In: Sidik F, Friess D (Eds). Dynamic sedimentary environments of mangrove coasts. Elsevier, Amsterdam, The Netherlands: 141-175. https://doi.org/10.1016/B978-0-12-816437-2.00003-3
Zimmer M, Helfer V. 2021. Quantity and quality of organic matter in mangrove sediments. In: Sidik F, Friess D (Eds). Dynamic sedimentary environments of mangrove coasts. Elsevier, Amsterdam, The Netherlands: 369-391. https://doi.org/10.1016/B978-0-12-816437-2.00015-X
Helfer V, Zimmer M. 2018. High-Throughput Techniques As Support for Knowledge-Based Spatial Conservation Prioritization in Mangrove Ecosystems. In: Makowski C., Finkl C. (eds) Threats to Mangrove Forests: Hazards, Vulnerability and Management. Coastal Research Library, vol 25. Springer, Cham. https://doi.org/10.1007/978-3-319-73016-5_24
Zimmer M, Helfer V. 2016. Biodiversität, Ökosystemprozesse und Ökosystemleistungen. In: Lozán JL, Breckle S-W, Müller R, Rachor E (Eds). Warnsignal Klima: Die Biodiversität. Verlag Wissenschaftliche Auswertungen. 297-302. https://doi.org/10.2312/warnsignal.klima.die-biodiversitaet.48
Stakeholder Publikationen (incl. Blogbeitrag)
Helfer V, Arietta C, Fouqueray M, Mancera Pineda JE, Wölfelschneider M, Zimmer M. 2025. sea4soCiety – Searching for Solutions for Carbon Sequestration in Coastal Ecosystems. Sonar, 5. https://sonar.cemarin.org/en/sea4society-searching-for-solutions-for-carbon-sequestration-in-coastal-ecosystems/
Böer B, Dansie A, Helfer V, Kiran S, Shipin O, Martin Zimmer. 2023. Floating Mangroves: a contribution to clean and affordable energy for all. https://quest4action.org/floating-mangroves-a-contribution-to-clean-and-affordable-energy-for-all/
Zimmer M, Helfer V. 2022. Mangrove forests - a nature-based solution for climate change mitigation and adaptation. Rural21, 56 (1/2022), 23-25. https://www.rural21.com/english/news/detail/article/mangrove-forests-a-nature-based-solution-for-climate-change-mitigation-and-adaptation.html
Bertrand A, Zimmer M & Consortium of WP2 of PADDLE. 2019. Report on tropical marine ecosystem dynamics in the last decade. PADDLE-Report WP2-D2.1
Wissenschaftliche Abschlußarbeit
Helfer V. 2010. Conservation genetics and population monitoring of the alpine salamander (Salamandra atra). 196 p., University of Lausanne, Faculty of Biology and Medicine, Department of Ecology and Evolution. Supervision: Fumagalli L.
Lehrbroschüre
Helfer V. 2009. “Oh my God! Darwin et l’évolution”. Lausanne, Service des affaires culturelles - Département de la formation et de la jeunesse du canton de Vaud (collection dp. Ecole-Musée ; n° 31). https://zoologie.vd.ch/fileadmin/groups/12/Animations/pdf/dp-31_Darwin_OhMyGod.pdf
Helfer V, Haenggeli F. 2008. “Nature au sommet”. Dossier pédagogique, 59 p., WWF Suisse, Vernier. https://assets.wwf.ch/downloads/nature_au_sommet_complet_fr.pdf Document translated to four languages (French, German, Italian, Romansh).