Dr.
Diana Tomback will be discussing the Clark’s nutcracker and its
coevolved, mutualistic interaction with whitebark pine. Beyond the
whitebark pine, nutcrackers are keystone species that disperse seeds of
several pines in Colorado as well as across the West. All may not be
well in the world of the nutcracker. Its iconic relationship with
whitebark pine is threatened by an invasive disease, outbreaks of
mountain pine beetles, and climate change.
Science Advisory Board member Dr. Diana Tomback is a professor and
associate chair with the Department of Integrative Biology at the
University of Colorado, Denver. She also serves as volunteer director
for the non-profit Whitebark Pine Ecosystem Foundation, based in
Missoula, MT. Dr. Tomback’s area of expertise includes evolutionary
ecology, with application to forest ecology and conservation biology.
For her doctoral research, she found that Clark’s nutcracker, a
crow-like bird of high mountain forests, is the main seed disperser for
whitebark pine. Her research over time has focused on the ecological and
evolutionary consequences of seed dispersal by nutcrackers to whitebark
pine and other pines. While working on her Ph.D. dissertation, Dr.
Tomback was the first to discover the ecologically important commensal
relationship between the nutcracker and the whitebark pine.
See our
website for more program listings and a plethora of field trips for the spring/summer seasons.
Thanks,