Dipl.-Lök. Wanja Mathar
Dipl.-Lök. Wanja Mathar
PhD student, external
Institute for Landscape Ecology
Biodiversity and Ecosystem Research Group
w.mathar [at] uni-muenster.de

PhD Project

Impact of land-use intensity on carbon stocks and biodiversity of grassland ecosystems within the forest-steppe ecotone in western Siberia


SASCHA - Sustainable land management and adaptation strategies to climate change for the Western Siberian Grain Belt project homepage

  • Curriculum vitae

    since 11/2011 Research Assistant and PhD student
    Biodiversity and Ecosystem Research Group, Institute of Landscape Ecology, University of Münster
    Consultant for nature conservation
    Graduate assistent
    Institute of Landscape Ecology, University of Münster
    06/2009 Diploma in Landscape Ecology
    Institute of Landscape Ecology, University of Münster
    Diploma Thesis Long-term vegetation dynamics in flood-meadows
    01/2008 B.Sc. in Biologie
    Mittuniversitetet, Sundsvall, Schweden
    D-Uppsats Spatial pattern of epiphytes confined to Salix caprea in a natural patchy landscape
    09/2005-02/2007 Studies of Biologie
    Mittuniversitetet, Sundsvall, Schweden (ERASMUS-grant)
    2003-2009 Studies of Landscape Ecology
    University of Münster

  • Research Interests

    • Biodiversity and nature conservation of grassland ecosystems
    • Floodplain ecology
    • Nature conservation management
  • Services, Memberships

    Memberships in scientific organisations

    • European Dry Grassland Group (EDGG)
    • International Association of Vegetation Science (IAVS)
    • Hessische Vereinigung für Naturschutz und Landschaftspflege e. V. (HVNL)
  • Publications

    International publications (peer-reviewed)


    • Palpurina S, Chytrı M, Hölzel N, Tichý L, Wagner V, Horsák M, Axmanová I, Hajek M, Hájková P, Freitag M, Lososová Z, Mathar W, Tzonev R, Danihelka J, Dřevojan P (2019) The type of nutrient limitation affects the plant species richness–productivity relationship: evidence from dry grasslands across Eurasia. Journal of Ecology 107: 1038–1050 [doi: 10.1111/1365-2745.13084]


    • Kämpf I, Mathar W, Kuzmin I, Hölzel N, Kiehl K (2016) Post-Soviet Recovery of grassland vegetation on abandoned fields in the forest steppe zone of Western Siberia. Biodiversity and Conservation 25 (12): 2563-2580 [doi:10.​1007/​s10531-016-1078-x]
    • Mathar W, Kämpf I, Kleinebecker T, Kuzmin I, Tolstikov A, Tupitsin S, Hölzel N (2016) Floristic diversity of meadow steppes in the Western Siberian Plain: effects of abiotic site conditions, management and landscape structure. Biodiversity & Conservation 25 (12): 2361–2379 [doi:10.1007/s10531-015-1023-4] - Special Issue
    • Weking S, Kämpf I, Mathar W, Hölzel N (2016) Effects of land use and landscape patterns on Orthoptera communities in the Western Siberian forest steppe. Biodiversity and Conservation 25 (12): 2341-2359 [doi:10.​1007/​s10531-016-1107-9]


    • Freitag M, Mathar W, Yurtaev AA, Hölzel N (2015) Floristic composition and environmental determinants of pine forests in the hemiboreal zone of Western Siberia. Tuexenia 35: 31-51 [doi:10.14471/2015.35.017]
    • Mathar, W., Kleinebecker, T., Hölzel, N. (2015) Environmental variation as a key process of co-existence in flood-meadows. Journal of Vegetation Science, 26: 480–491  [doi:10.1111/jvs.12254]

    Conference Presentations

    • Hölzel N, Kämpf I, Mathar W, Tupitsin S, Wertebach, T.-M, Yurtaev A,  Kamp J, Kiehl K, Abramov NV, Tolstikov AV (2014): Impact of Land  Cover and Land-use Intensity on Soil Organic Carbon Stocks in the South of the Tyumen Province. 5. International Conference „Environment and Natural Resource Managment“, Tyumen State University, 01-03/10/2014, Tjumen, Russische Förderation.
    • Mathar W, Gottbehüt K, Kamp J, Kämpf I, Weking S, Hölzel N (2014) Environmental and land-use effects on diversity and composition of grasslands within the Forest-Steppe zone of Western Siberia. Talk. 11th European Dry Grassland Meeting, Tula, Russland, 5-15/06/2014 - awarded "2nd best talk award for young scientists"
    • Mathar W, Gottbehüt K, Hölzel N, Kamp J, Kämpf I, Kiehl K, Tolstikov A, Tupizin S, Weking S, Wertebach T (2013) The Western Siberian forest steppe as a hotspot of biodiversity and carbon sequestration. Talk at the Status Conference 2013 of the BMBF-Research Programme “Sustainable Land Management“, Berlin, Germany, 17-19/04/2013
    • Mathar W, Kleinebecker T & Hölzel N (2009) Effects of a severe summer flood in 1999 on the vegetation of alluvial meadows at the Upper Rhine. Poster. Conference of the Ecological Society of Germany, Austria and Switzerland, Bayreuth.


    • Mathar W (2009) Long-term vegetation dynamics in flood-meadows. Diploma thesis, Institute of Landscape Ecology, University of Münster
    • Mathar W (2007) Spatial pattern of epiphytes confined to Salix caprea in a natural patchy landscape. D-Uppsats, Mittuniversitetet, Sundsvall, Schweden