[ceevol] Forthcoming seminars for your interest to be held at UCL next week
- From: "Dempster, Jane" <j.dempster@xxxxxxxxx>
- To: "'ceevol@xxxxxxxxxxxxx' (ceevol@xxxxxxxxxxxxx)" <ceevol@xxxxxxxxxxxxx>, LERN LondonEvolution <londonevolution@xxxxxxxxx>
- Date: Thu, 21 Feb 2013 10:59:05 +0000
Dear Colleagues
Please be advised of the following seminars taking place next week:
Date & Time: Monday 25 Feb at 4pm
Speaker: Phillip P.A. Staniczenko, Department of Ecology and Evolution,
University of Chicago: http://allesinalab.uchicago.edu/news/nestedness
Title: The ghost of nestedness in ecological networks
Host: David Murrell, d.murrell@xxxxxxxxx
Venue: UCL Darwin Building, Room 114 - directions:
http://www.ucl.ac.uk/gee/about/copy_of_index
Abstract:
Nestedness is a community-level pattern in which the interactions of
specialists are contained within that of generalists, as in Russian dolls.
This pattern has been observed across many types of ecological network where it
is thought to promote biodiversity in mutualistic systems.
Traditionally, nestedness has been treated in a binary sense: species and their
interactions are either present or absent, neglecting information on abundances
and interaction frequencies.
Using new spectral graph techniques applicable to both binary and quantitative
data, I show that complex ecological networks are indeed binary nested, but
quantitative species preferences are distinctly non-nested, indicating limited
consumer overlap of favoured resources.
This spectral approach also provides a formal link to local dynamical stability
analysis, where I demonstrate, contrary to the prevailing view, that nested
mutualistic structures are, in fact, minimally stable.
Date & Time: Wednesday 27 Feb 27 at 5pm
Speaker: Chris Barnes, UCL, CDB
Title: 'Reverse engineering and design of natural and synthetic
biological systems'
Host: Lazaros Foukas: l.foukas@xxxxxxxxx
Venue: UCL, AV Hill Lecture Theatre, Medical Sciences Building, Gower
Street, London WC1E 6BT (Map - grid ref C4)
Best regards
Jane Dempster
Jane M Dempster
Executive Officer to the Director of the Division of Biosciences (Prof Neil
Millar, Acting Director)
Anatomy Building (Room 117), Gower Street, London, WC1E 6BT
Tel: 020 7679 7196 (internal xt 37196)
E-mail: j.dempster@xxxxxxxxx
Divisional website: https://www.ucl.ac.uk/biosciences/
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