Talk at CES on 7 December 2015 at 11:00 am titled "Identifying the building blocks of ecological networks" by Dr. Sonia Kéfi from Institut des Sciences de l’Evolution – CNRS UMR 5554 BioDICée team <http://www.biodicee.univ-montp2.fr/> Montpellier, F

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Topic: 
Identifying the building blocks of ecological networks
Speaker: 
Dr. Sonia Kéfi, Institut des Sciences de l’Evolution – CNRS UMR 5554 BioDICée team Montpellier, France
Date & Time: 
7 Dec 2015 - 11:00am
Event Type: 
Talk
Venue: 
MRDG Seminar Hall, First Floor, New Biological Science Building
Coffee/Tea: 
Before the talk
Abstract:

Darwin’s ‘entangled bank’ captured the principle that species in nature must manage complex interdependencies to successfully coexist in natural communities. Despite great advances in the study of intricate ecological networks, we still do not know what the entangled bank looks like, nor if evolutionary restrictions create pattern in the multidimensional niche structure of communities. Disentangling the bank requires building comprehensive ecological networks which synthesize all known species interaction types (e.g., predation, competition, facilitation) as well as developing statistical methods for discovering pattern in such multiplex systems. We studied connectivity in a comprehensive ecological network using novel network models. We show that the network exhibits clear patterns at different organizational levels and ultimately collapses into a small set of 'functional groups' that are taxonomically coherent. This suggests that the iconic complexity of ecosystems may simplify into fundamental building blocks of nature.

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