Max Planck Gesellschaft

Michael Rzanny



room: C3.005 (tower)
phone: +49 3641 57 6222
email: mrzanny(at)bgc-jena.mpg.de


Professional background | Actual Projects at BGI | Research interests | Publications


Professional background

since 2017   Postdoc at Department Biogeochemical Integration, MPI-BGC, Jena

Flora Incognita

2014 - 2017  Postdoc at Emeritus Group Carbon Balance and Ecosystem Research, MPI-BGC, Jena

Flora Incognita

2012 - 2014  Scientist at Department of Forest Sciences, TU Dresden, Tharandt

Impact of management strategies on naturaless and biodiversity of lowland beech forests

2008 - 2014  PhD student at Friedrich Schiller University, Jena

Functional groups of grassland arthropods - a tool to scale up ecological communities

Actual Projects at BGI

Flora Incognita - Interactive Plant Species Identification with Mobile Devices

Research Interests:

  • Combining identification-key-based and automated plant identification strategies
  • Species distribution modeling
  • Automated image classification
  • Large scale plant - environment relationships
  • Ecosystem models - from functional traits to functional groups
  • Effects of forest management strategies on communities in lowland beech forests

Publications

  1. Mahecha, M., Rzanny, M., Kraemer, G., Mäder, P., Seeland, M. & Wäldchen J. (accepted). Crowd-sourced plant occurrence data provide a reliable description of macroecological gradients. Ecography.
  2. Mäder, P., Boho, D., Rzanny, M., Seeland, M., Wittich, H. C., Deggelmann, A., Wäldchen, J. (accepted). The Flora Incognita app – interactive plant species identification. Methods in Ecology and Evolution.
  3. Boho, D., Rzanny, M., Wäldchen, J., Nitsche, F., Deggelmann, A, Wittich, H.C., Seeland, M. & Mäder, P. (2020). Flora Capture: a citizen science application for collecting structured plant observations. BMC Bioinformatics, 21: 576. pdf
  4. Rzanny, M., Mäder, P., Deggelmann A., Chen, M. & Wäldchen J. (2019). Flowers, leaves or both? How to obtain suitable images for automated plant identification. Plant Methods 15:77. pdf
  5. Winter, S., Zaplata, M.C ., Rzanny, M., Schaaf, W., Fischer, A. & Ulrich, W. (2019). Increasing ecological multifunctionality during early plant succession. Plant Ecol. 220(4-5). link
  6. Giling, D., Ebeling, A., Eisenhauer, N., Meyer, S., Roscher, C., Rzanny, M., Voigt, W., Weisser, W. & Hines, J. (2019). Plant diversity alters the representation of motifs in food webs. Nature Communications, 10(1226).pdf
  7. Hines J., Giling, D., Rzanny, M., Voigt, W., Meyer, S., Weisser, W., Eisenhauer, N. & Ebeling, A. (2019). A meta- food web for invertebrate species collected in a European grassland. Ecology. 100(6).link
  8. Seeland M., Rzanny M., Boho D., Wäldchen J., Mäder P. (2019) Image-based classification of plant genus and family for trained and untrained plant species. BMC Bioinformatics. 20(4). pdf
  9. Wittich, H. C., Seeland, M., Wäldchen, J., Rzanny, M., Mäder, P. (2018). Recommending plant taxa for supporting on-site species identification. BMC Bioinformatics. 19(190). pdf
  10. Wäldchen, J, Rzanny, M., Seeland, M., Mäder, P. (2018). Automated plant species identification—Trends and future directions. PLOS Computational Biology, 14(4). pdf
  11. Ebeling, A. Rzanny, M., Lange, M., Eisenhauer, N., Hertzog, L. R., Meyer, S. T. & Weisser, W.W. (2018). Plant diversity induces shifts in the functional structure and diversity across trophic levels. Oikos 127(2): 208-219. link
  12. Rzanny, M.., Seeland, M., Wäldchen, J., Mäder, P. (2017). Acquiring and preprocessing leaf images for automated plant identification: understanding the tradeoff between effort and information gain. Plant Methods 13:97. pdf
  13. Seeland, M., Rzanny, M., Alaqraa, N., Wäldchen, J. & Mäder, P. (2017): Plant species classification using flower images—A comparative study of local feature representations. PLOS ONE 12 (2). pdf
  14. Wäldchen, J., Thuille A., Seeland, M., Rzanny, M., Schulze E.-D., Boho, D., Alaqraa, N., Hofmann, M. & Mäder, P. (2016) Flora Incognita – Halbautomatische Bestimmung der Pflanzenarten Thüringens mit dem Smartphone. Landschaftspflege und Naturschutz in Thüringen 53 (3): 121–125. pdf
  15. Seeland, M., Rzanny, M., Alaqraa, N., Thuille, A., Boho, D., Wäldchen, J. & Mäder, P. (2016) Description of Flower Colors for Image based Plant Species Classification. in: Proc. 22nd German Color Workshop (FWS), Ilmenau, Germany, pp. 145-1154, 2016, ISBN: 978-3-00-053918-3, Eds. K.-H. Franke, R. Nestler. pdf
  16. Begehold, H., Rzanny, M., & Winter, S. (2016) Patch patterns of lowland beech forests in a gradient of management intensity. Forest Ecology and Management 360: 69-79. link
  17. Winter, S., Begehold H., Herrmann M., Lüderitz, M., Möller, G., Rzanny, M. & Flade, M. (2015) Praxishandbuch – Naturschutz im Buchenwald. Naturschutzziele und Bewirtschaftungsempfehlungen für reife Buchenwälder Nordostdeutschlands. Hrsg.: Ministerium für Ländliche Entwicklung, Umwelt und Landwirtschaft Brandenburg . ISBN 978-3-00-051827-0. link
  18. Beyer, A., Rzanny, M., M., Weist, A., Möller, S., Burow, K., Gutmann, F., Neumann, S., Lindner, J., Müsse, S., Brangsch, H., Stoiber-Lipp, J., Lonschinski, M., Merten, D., Büchel, G. & Kothe, E. (2015) Aquifer community structure in dependence of lithostratigraphy in groundwater reservoirs. Environmental Science and Pollution Research 22: 19342-19351. link
  19. Winter, S., Lüderitz, M. & Rzanny, M. (2015) Unterirdische Kontinuität und Pilzvielfalt alter Waldstandorte. Schweizerische Zeitschrift für Forstwesen 166: 83–90. link
  20. Begehold, H., Rzanny, M., & Flade, M. (2015) Forest development phases as an integrating tool to describe habitat preferences of breeding birds in lowland beech forests. Journal of Ornithology 156: 19-29. link
  21. Rzanny, M., Kuu, A. & Voigt W. (2013) Bottom-up and top-down forces structuring consumer communities in an experimental grassland. Oikos 122: 967-976. link
  22. Rzanny, M. and Voigt W. (2012) Complexity of multitrophic interactions in a grassland ecosystem depends on plant species diversity. Journal of Animal Ecology 81: 614-627. link
  23. Schmidt, A., Rzanny, M., Schmidt, A., Hagen, M. & Kothe, E. (2012) GC content-independent amino acid patterns in bacteria and archaea, Journal of Basic Microbiology 52: 195-205. link
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