AQUATIC FOOD WEB ECOLOGY LAB
 
What are the consequences of declining biodiversity to the functioning of ecosystems? Are diverse communities more stable than depauperate communities? What happens to other species in a community when a species goes extinct? Are there characteristics of invasive species or communities that can be used to predict how invasive a species will be or how resistant a community is to invasion?




Research in the Aquatic Food Web Ecology Lab based at Dalhousie University in Halifax, Nova Scotia, Canada,  focuses on the consequences of biodiversity loss to the functioning and stability of aquatic food webs. All of our work is done in a food web context, which means that its not just the numbers of species that we are interested in, but also the structure of the food webs in which those species are embedded. Most of our work is done in aquatic microcosms, small container ecosystems in which we can assemble food webs and then subject them to various types of disturbance regimes . We also use mathematical models to run "in silico" experiments, otherwise known as computer simulations, to study problems that are too complex or just not possible to conduct in natural systems.
  
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CONTACT
Tamara N. Romanuk, Ph.D.
Assistant Professor, Department of Biology
Dalhousie University
1355 Oxford Street, Halifax, Nova Scotia, Canada, B3H 4J1
Tel: 902-494-4515, Cell: 902-412-2886; Fax: 902-494-3736
Email: tromanuk@gmail.com
 http://www.foodwebs.org

PUBLICATIONS
Romanuk, T.N., R.J. Vogt, and J. Kolasa.  2006. Eutrophication weakens the stabilizing effect of diversity on community and population variability. Oikos 114: 291-302.

Romanuk, T.N., B. Beisner, N.D. Martinez, and J. Kolasa.  2006.
 Non-omnivorous generality promotes population stability. Proceedings of the Royal Society of London, Biology Letters (in press).

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RESEARCH
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