Upcoming events
Writing retreat for PhD students
A writing retreat for MultiTroph PhD students is scheduled for May 12-16, 2025. Further information will follow soon.
Past events
MultiTroph Symposium in Beijing 2024
Schedule
wrap-up field season 2023
At this meeting each SP provided a concise update on their achievements and challenges from the last field season as well as their future plans. The online meeting took place on 15-16 November 2023.
The fieldwork report 2023 is available under Downloads.
Schedule
| 09.00 – 10.30 | Plenary |
| Welcome by Alexandra-M. Klein and Chao-Dong Zhu | |
| Z1: MultiTroph update since kick-off Alexandra-M. Klein, Finn Rehling | |
| Xiaoyu Shi – Cavity nesting hymenopteran community across scales | |
| SP2 – Soil-plant interactions and stoichiometry Yvonne Oelmann, Thomas Scholten, Steffen Seitz, Yu Liang, Naili Zhang, Haikou Zhang | |
| 10.30 – 11.00 | Coffe break |
| 11.00 – 12.00 | Subproject updates: |
| SP4 – Cavity-nesting Hymenoptera and multi-trophic interactions Alexandra-M. Klein, Felix Fornoff, Manuela Sann, Arong Luo, Michael Orr, Massimo Martini | |
| SP5 – Trophic interactions across three regeneration stages Alexandra Erfmeier, Tim Diekötter, Zhi-Shu Xiao, Noga Abecassis | |
| 12.00 – 13.30 | Lunch |
| 13.30 – 14.30 | Subproject updates: |
| Ming-Qiang Wang: Research progress on plant-herbivore interactions | |
| SP3 – Plant-arthropod food webs, stoichiometry and functions Jana Petermann, Andreas Schuldt, Douglas Chesters, Ming-Qiang Wang, Mareike Mittag | |
| 14.30 – 14.45 | Coffee break |
| 14.45 – 15.45 | Open discussion |
| 09.00 – 10:30 | Z2 – Synergies and processing of data and meta-analysis Andreas Schuldt, Helge Bruelheide, Huijie Qiao, Xiaojuan Liu, Yi Li, Georg Albert |
| SP1 – Wood decomposition and decomposer interactions Heike Feldhaar, Simon Thorn, Arong Luo & Matteo Dadda | |
| SP6 – Ant trophic interactions and function Michael Staab, Heike Feldhaar, Xiaojuan Liu, Joshua Spitz | |
| 10.30 – 11.00 | Coffee break |
| 11.00 – 12.00 | Continuation of open discussion (if necessary) |
| 12.00 – 13.30 | Lunch |
| 13.30 – 14.30 | Jing-Ting Chen – Webs of diversity: spiders and their prey |
| Z1 (FR) – Carrion decomposition Z1 (FR) – Preparation “Conference in Beijing 2024” | |
| – Official end – | |
| 14.30 – 14.45 | Coffee break |
| 14.45 – 15.15 | Add-on: Preparation “European Conference of Tropical Ecology 2024”, Lisbon, Session: Multi-trophic interactions in tropical forests and agro- forestry systems Finn Rehling, Heike Feldhaar For everyone interested. |
| Add-on: Preparation “Statistical Cafe”, Göttingen Finn Rehling, Georg Albert For Phds interested. |
MultiTroph kick-off meeting, 27-31 March 2023
Schedule
| 14.00 – 17.00 | Welcoming programme supported by Leibfried-Prozessbegleitung |
| 14.00 – 14.10 | Welcome and introduction |
| 14.10 – 14.25 | Getting to know each other |
| 14.25 – 15.30 | “Back to the Future” |
| 15.30 – 15.45 | Coffee break |
| 15.45 – 16.15 | Updating time table |
| 16.15 – 16.45 | Internal and external communication |
| 16.45 – 17.00 | Closing round and feedback |
| 18.15 | Dinner at St. Ottilien (forest restaurant, 1.15 h walk one-way) |
| 09.00 – 09.10 | Welcome by Alexandra-M. Klein (German coordinator) and Chao-Dong Zhu (Chinese coordinator) |
| 09.10 – 10.00 | BEF-China: A long-standing collaboration (Bernhard Schmid, with personal notes by Keping Ma) |
| 10.00 – 10.30 | Principles of data management and publication in BEF-China (Helge Bruelheide) |
| 10.30 – 11.00 | Coffee break |
| 11.00 – 12.00 | Current research progress at BEF-China (Xiaojuan Liu, with personal notes by Keping Ma) |
| 12.00 – 13.30 | Lunch |
| 13.30 – 13.50 | The purpose of MultiTroph (Alexandra-M. Klein) |
| 13.50 – 15.30 | Subproject descriptions – Confirming activities, timelines and impact, 15 mins (talk) + 5 mins (discussion) for each subproject |
| 13.50 – 14.10 | SP1: Wood decomposition and decomposer Interactions Heike Feldhaar, Simon Thorn, Arong Luo, Matteo Dadda |
| 14.10 – 14.30 | SP2: Trophic-interaction, tree-diversity and soil-erosion effects on soil-plant stoichiometry Yvonne Oelmann, Thoman Scholten, Steffen Seitz, Yu Lian, Naili Zhang, Haikuo Zhang |
| 14.30 – 14.50 | SP3: Plant-herbivore-predator food webs, stoichiometry and functions Jana Petermann, Andreas Schuldt, Douglas Chesters, Ming-Qiang Wang, Mareike Mittag |
| 14.50 – 15.10 | SP4: Linking cavity-nesting bee and wasp food webs to other trophic interactions Alexandra-M. Klein, Felix Fornoff, Manuela Sann, Arong Luo, Michael Orr, Massimo Martini |
| 15.10 – 15.30 | SP5: Trophic interactions across tree regeneration stages Alexandra Erfmeier, Tim Diekötter, Zhi-Shu Xiao, Noga Abecassis |
| 15.30 – 16.00 | Coffee break |
| 16.00 – 17.20 | Subproject descriptions – Confirming activities, timelines and impact, 15 mins (talk) + 5 mins (discussion) for each subproject |
| 16.00 – 16.20 | SP6: Trophic interactions and ecological functions of ants under changing tree diversity Michael Staab, Heike Feldhaar, Xiaojuan Liu, Joshua Spitz |
| 16.20 – 16.40 | Z1: Coordination Alexandra-M. Klein, Finn Rehling, Chao-Dong Zhu |
| 16.40 – 17.00 | Z2: Synergies and processing of data and meta-analysis Andreas Schuldt, Helge Bruelheide, Huijie Qiao, Xiaojuan Liu, Georg Albert |
| 17.00 – 17.20 | Extra SP: Plant-pollinator interactions Judith Trunschke |
| 18.00 | Dinner at Zum Kaiser (Freiburg-Wiehre, 30 mins walk) |
| 08.15 – 09.00 | (Potential) Subproject add-ons 10 mins (talk) + 5 mins (discussion) for each subproject add-on |
| 08.15 – 08.30 | Extra SP: Filling research gaps in MultiTroph Finn Rehling, Alexandra-M. Klein |
| 08.30 – 08.45 | Extra SP: Pollinator diversity Tingting Xie, Douglas Chesters, Chao-Dong Zhu |
| 08.45 – 09.00 | (Potential) Extra SP: True bug diversity Claas Damken |
| 09.00 – 10.00 | TreeDivNet – The value of integrating BEF-experiments into a global network (Michael Scherer-Lorenzen) |
| 10.00 – 10.30 | Coffee break |
| 10.30 – 12.00 | Collaboration meetings Jana & Yvonne: Nutrient flow in ecological networks Andreas & Michael: Synthesis of multitrophic networks |
| 12.00 – 13.30 | Lunch |
| 13.30 – 15.15 | Meta- & DNA-barcoding in BEF-China |
| 13.30 – 13.45 | Metabarcoding: an introduction (Manuela Sann) |
| 13.45 – 14.30 | How do bees choose which pollen to collect? (Christina Grozinger) |
| 14.30 – 14.50 | Metabarcoding in BEF-China (Douglas Chesters) |
| 14.45 – 15.15 | Discussion on use and implementation of barcoding in BEF-China (led by Manuela) |
| 15.15 – 15.45 | Coffee break (including group photo) |
| 15.45 – 16.55 | Continuation collaboration meetings |
| 16.55 – 17.00 | Acknowledgments & farewell by Alexandra-M. Klein |
| Evening | Dinner at Harmonie (Flammenkuchenhaus, city center, 15 mins walk) |
| 21.00 | Shuttle service to Mathisle Mühle for extended workshop |
Field preparation and team building – mandatory for PhDs
Outdoor-first-aid course (in English)
Shuttle service from Mathisle Mühle back to Freiburg at ~12.00; arrival at Freiburg central train station ~13.30