Graceful bush-cricket (Pachytrachis gracilis)

Theses at the Population Ecology Group

We offer a variety of projects for Bachelor, Master and PhD theses. Students interested in evolutionary ecology, molecular ecology, or community ecology are welcome to contact any of the team members.
Graceful bush-cricket (Pachytrachis gracilis)
Image: Holger Schielzeth

Looking for a Bachelor or Masters project?

We continously offer a selection of topics for Bachelor or Master projects. The list of past and completed projects below gives you an impression about the range of topcis that we offer. Please do not hesitate to contact us if you are interested and movitated to work in the field of evolutionary, molecular or community ecology.

PhD theses Show content

Ongoing PhD projects

Dave Lutgen
Genomics of hybridization, speciation, and phenotypic evolution in wheatears

Elina Takola
Metaanalysis of individualized niche choice, conformance and construction

Gabe Winter
The evolutionary ecology of predictability in escape behaviour

Mahendra Varma
Uncovering the genetic basis of green-brown in grasshoppers

Maximilian Bröcher
Plant-consumer interactions as cause and consequence of long-term biodiversity ecosystem functioning relationships


Elisabeth Adam (IMPRS)
Desert ant navigation based on olfactory cues
Supervisor: Dr. Markus Knaden

Venkatesh Pal Mahadevan (IMPRS)
Deorphanization of chemosensory neurons in D. melanogaster
Supervisor: Dr. Heiko Vogel

Francesca Protti Sanchez (IMPRS)
A bird’s eye view of warning signals
Supervisor: Dr. Hannah Rowland

Devasena Thiagaraja (IMPRS)
Dissecting the neural circuitry underlying oviposition behavior in Drosophila flies
Supervisor: Dr. Silke Sache

Somasundar Arumugam (IMPRS)
Adaptive plasticity in specialists and generalists
Supervisor: Dr. Silke Sache

Christin Uhe (IMPRS)
Behavioral and nutritional ecology of insects on poplar
Supervisors: Prof. Jonathan Gershenzon, Dr. Sybille Unsicker

Completed PhD projects

Chakrabarty, A. (2020) Genetic constraint, non-independence of traits and consequences of adaptive evolution in acridid grasshoppers. PhD thesis, Friedrich Schiller University Jena. doi: 10.22032/dbt.47981

Shah, A. (2020). The transcriptomic and genomic architecture of acrididae grasshoppers. PhD thesis, Friedrich Schiller University Jena. doi: 10.22032/dbt.47427

Valverde Monge, J.P. (2018). Phenotypic plasticity and condition-dependent trait expression in sexual ornaments and body colour in the alpine grasshopper Gomphocerus sibiricus. PhD thesis, Bielefeld University.

Thesis Advisory Committes

Lennart Winkler (Technical University Dresden)
Supervisiors Prof. Klaus Reinhardt, Dr. Tim Janicke

Margarita Takou (Cologne University)
Supervisior Prof. Juliette de Meaux
Completed 2020

Ulrich Knief (Max Planck Institute for Ornithology)
Supervisor Dr. Wolfgang Forstmeier
Completed 2016

Master theses Show content

Ongoing Master projects

Lisa Deak
Historical hybrid zone structure in wheatears (Supervision Reto Burri)

Laura Pabon-Viteri
Gene tree variation across wheatear genomes (Supervision Reto Burri)

Chongyi Jang
Assessing genetic diversity from UTR sequencing data (Supervision Holger Schielzeth)

Juan Ortega Guatame
Differential gene expression in green-brown polymorphic grasshoppers (Supervision Holger Schielzeth)

Nahid Rasouli
The advantage of a long or a short flowering period: Linking flowering phenology, seasonal variation in flower traits and pollinator diversity and density – a contribution to the PhenObs project (Supervision Anne Ebeling)

Angela Lehmann
High-throughput colour morph phenotyping in grasshoppers (Supervision Holger Schielzeth)

Hui Dong
Seasonal plant diversity effects on soil temperature in a long-term experiment (Supervision Anne Ebeling)

Completed Master projects

Fabian Klimm (2020) The value of flower strips in agricultural landscapes: Effects on pollination, herbivory and decomposition. Master thesis, Friedrich Schiller University Jena. (Supervision Anne Ebeling)

Maximilian Bröcher (2020) The value of flower strips: Effects on predation networks. Master thesis, Friedrich Schiller University Jena. (Supervision Anne Ebeling)

Sharon Marongo (2019) Microhabitat choice in green-brown polymorphic grasshoppers. Master thesis, Friedrich Schiller University Jena. (Supervision Holger Schielzeth)

Katharina Franke (2019) Effects of nutrient addition on herbivore performance. Master thesis, Friedrich Schiller University Jena. (Supervision Anne Ebeling)

Rios Villamil, A. (2018) Genetic mechanism underlying green-brown dimorphism in Gomphocerus sibiricus. Master thesis, Friedrich Schiller University Jena. (Supervision Holger Schielzeth)

Schulze, C. (2017). Assessing a method for measuring seed dispersal along a gradient in land-use intensity. Master thesis, Friedrich Schiller University Jena. (Supervision Anne Ebeling)

Förster, T. (2017). Plant bottom-up effects on larval and adult beetle communities in a biodiversity experimen. Master thesis, University of Innsbruck. (Supervision Anne Ebeling)

Bellinvia, S. (2016). Inaccuracy or intended chaos? Development and condition-dependence of unpredictability in escape behaviour. Master thesis, Bielefeld University. (Supervision Holger Schielzeth)

Bachelor theses Show content

Ongoing Master projects

Joris Hochstetter
Erfassung von Arthropoden im Pennickental zur Untersuchung von Sukzession und Habitatunterschieden in Wäldern (Supervision Anne Ebeling)

Maximilian Pitz
TbA (Supervision Anne Ebeling)

Greta Hartwig
TbA (Supervision Anne Ebeling)

Luis Wisching
TbA (Supervision Holger Schielzeth)

Completed Bachelor projects

Schmidt, L. (2021): Auftreten des Kuckucks Cuculus canorus in Deutschland ermittelt aus bürgerwissenschaftlich erhobenen Daten (Supervision Holger Schielzeth)

Baierl, L.F. (2021): Phänologie unterschiedlicher Farbmorphen von Feldheuschrecken in der Saaleaue bei Jena (Supervision Holger Schielzeth)

Günzl, A.S. (2020): Präferenzen der Umgebungstemperatur von Pseudochorthippus parallelus in Abhängigkeit von der Farbmorphe. Bachelor thesis, Friedrich Schiller University Jena. (Supervision Holger Schielzeth)

Heinze, P. (2018): Homochromie beim farbpolymorphen Gemeinen Grashüpfer (Pseudochorthippus parallelus) (Zetterstedt, 1821). Bachelor thesis, Friedrich Schiller University Jena. (Supervision Petra Dieker)

Liborius, S. (2017): Aufnahme von Bioturbation- Ein methodischer Vergleich. Bachelor thesis, Friedrich Schiller University Jena. (Supervision Anne Ebeling)

Reichelt, E. (2017): Beeinflusst Pflanzendiversität Heuschreckzönosen? Untersuchungen im Jena Experiment. Bachelor thesis, Friedrich Schiller University Jena. (Supervision Anne Ebeling)

van Kronenberg, P. (2016): Direct and indirect genetic effect on oviposition behaviour of Chorthippus biguttulus. Bachelor thesis, Bielefeld University. (Supervision Holger Schielzeth)

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