EcolChange seminar – Siim-Kaarel Sepp about soil biota and land use

Seminars of Department of Botany and Centre of Excellence EcolChange

Speaker: Siim-Kaarel Sepp is a PhD student at the Plant Ecology workgroup of our Department of Botany. His research focuses on mycorrhizal fungi, in particular the impact of land use on arbuscular mycorrhizal fungi. Siim-Kaarel Sepp will defend his PhD thesis in December.

Title of the talk: Responses of soil eukaryotic communities to land use and host identity

Time: Thursday, 22. October 2020 at 14.15

Place: Tartu, Lai 40-218 (Vaga auditorium), or virtual link in the MS Teams group.

Summary: Knowledge pertaining to diversity patterns of belowground organisms is piecemeal. On the one hand, we lack understanding of the behaviour of particular groups of organisms and the characteristics of the interactions they form. On the other hand, seldom are the effects of land use change studied on several groups in parallel. The presentation will shed light on correlated responses of belowground organisms and report the effects of human influence on a particularly important group of soil-dwelling microorganisms, the arbuscular mycorrhizal (AM) fungi. Further, we look at the properties of an AM interaction network and the implications of the revealed structure.

For everyone to stay as healthy as possible, please be reminded that wearing a face mask is mandatory. Please bring your own mask. Most importantly, don’t attend when you feel sick.

An early theoretical model of the density of soil biotic interactions. Every line represents one interaction. By Kazimir Malevich (pic from Wiki)
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