Haddad Lab at NC State
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Nick Haddad


Cedar Creek Biodiveristy Experiment
Effects of biodiversity loss on insects

Nick Haddad studies how one major global change, the loss of biodiversity, propogates up the food chain from plants to insects.  This work is in collaboration with Dave Tilman, John Haarstad, and other scientists at Cedar Creek Natural History Area of the University of Minnesota, and is conducted in the largest diversity experiment of its kind.  Previous research has shown how loss of plant diversity is directly related to loss of insect diversity.  His work has also shown that higher plant diversity can reduce insect abundances, unless the the plants are closely related (that is, in the same functional group).

Current research focuses on how long-term loss of biodiversity in experimental plots has influenced the level and dynamics of insect diversity.
© Nick Haddad