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Neutral coexistence via convergent evolution?

Often we think that different species occupy different ecological niches. However, this apparently simple issue has remained highly controversial till today. Mark McPeek argued in this paper in American Naturalist that ecologically equivalent species (dragonflys in his empirical example), exploiting the very same niche, can arise via convergent evolution. With Liz Pásztor and György Barabás we demonstrated that such convergence is highly unlikely. We had a very good discussion with Mark. Our reply has been accepted in the same journal. https://doi.org/10.1086/707610, Preprint

The Grants in Budapest

A conference on reproductive strategies took place in Debrecen, Hungary between 7-9 November, 2019. (Géza’s lecture: PDF.) Peter and Rosemary Grant, eminent researcers of Darwin finches in the Galapagos, were invited speakers of the conference. They spent a few days in Budapest, as guests of our group, and gave a lecture to students.


Mathematical Models in Ecology and Evolution

I attended the conference Mathematical Models in Ecology and Evolution (MMEE2019) in Lyon, France between 16-19 April, 2018. My lecture: PDF. Also, this is our poster on the International Initiative for Theoretical Ecology.

International Initiative for Theoretical Ecology

With colleagues, we estalished the International Initiative for Theoretical Ecology (IITE). It has been incorporated in England & Wales, as charity. Axel Rossberg is the driving force behind this effort, I am one of the trustees. IITE is meant to be an integrated platform to promote unity, visibility, teaching, funding, advancement and application of theoretical ecology.

This is my blog post on the webpage of IITE. (I hope colleagues do not mind the title ‘What is wrong with theoretical ecology?’.) This is our opinion paper in Trends in Ecology and Evolution (preprint here) on the need to train more theoretical ecologists.

Three-phase transitions to reproductive isolation

The following preprint is a results of many years of work in a controversial subject:

Three-phase transitions to reproductive isolation by Géza Meszéna & Ulf Dieckmann bioRxiv 595082


I attended the conference Models in Population Dynamics, Ecology, and Evolution (MPDEE’18) in Leicester, UK between 9-13 April, 2018.

My lecture: PDF

Finnish Mathematical Days, Year of Mathematical Biology

I attended the Finnish Mathematical Days between 4-5 January, 2018 in Joensuu, Finnland. It was a kickoff event for the Year of Mathematical Biology 2018.

My lecture: PDF

StructInst Workshop

I attended the StructInst Workshop in London between 11-15 September 2017. It was a small working group convened by Axel Rossberg. We discussed the state of the theory of structural stability of ecosystems.

My introductory lecture: PDF

Theoretical Biology and Evolutionary Ecology Research Group

I am the group leader of the MTA-ELTE Theoretical Biology and Evolutionary Ecology Research Group from 1 September, 2017. The group was convened by Eörs Szathmáry long time ago; I became its leader because of other commitments of him.

Mathematical theory of biological diversity

The project “Mathematical theory of biological diversity” has received funding for the period 2017-2021 from the National Research, Development and Innovation Office.