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The effects of an invasive ant Linepithema humile on a lycaenid butterfly Plebejus acmon
Many North American ants and lycaenid butterflies have a mutualistic relationship in which the ants protect butterfly larvae from parasitoid wasps, and the butterfly larvae secrete honeydew which the ants consume. Where native ants are being replaced by the invasive Argentine ant (Linepithema humile), the fate of this mutualism, and of the lycaenid butterflies, is in doubt because the mutualism is assumed to involve highly co-evolved behaviors and chemicals. PhD student Jessica Shors is studying a common lycaenid butterfly, the acmon blue (Plebejus acmon), in areas invaded by Argentine ants and in uninvaded areas, to determine whether the invasive ants are altering the survival of the acmon blue by leaving them vulnerable to parasitism.
Jessica has identified patches of one of the acmon blue's larval food plants, Lotus purshianus, in areas where Argentine ants (but no native ants) have been seen, and in areas where native ants (but no Argentine ants) ... Read More
Chris Field elected to serve as co-chair for Nobel Prize-winning
climate-change group
Chris Field, faculty director of Jasper Ridge Biological Preserve and director of the Carnegie Institution's
Department of Global Ecology at Stanford, has been selected to serve as co-chair of Working Group 2 of the Intergovernmental Panel on Climate Change (IPCC). The IPCC
was honored with the 2007 Nobel Peace Prize along with Al Gore.
Read more at Stanford News Service,
Carnegie Institution
Jasper Ridge provides hands-on learning for local students
Local high school students are learning ecology at Jasper Ridge Biological Preserve through the Redwood Environmental Academy of Leadership (REAL), a program based at Redwood High School in Redwood City.
The REAL program is funded by a grant from the Stanford Initiative on Improving K-12 Education.
Read more at Stanford News Service
New Restoration Ecology Fellowship Program at JRBP
Jasper Ridge Biological Preserve is pleased to announce a new fellowship program to support a visiting scholar,
focused on the emerging science of restoration ecology.
Click here for details (PDF)
2007-2008 Jasper Ridge Biological Preserve
Annual Report
The 2007-2008 Jasper Ridge Biological Preserve Annual Report is now available for download in Adobe Acrobat (PDF) format.
Click here to download.
JRBP Draft Strategic Plan
The draft JRBP strategic plan reviewed by the External Review Committee is available online at
jrbp.stanford.edu/stratplan.php.
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JRBP Mission Statement
The mission of Jasper Ridge Biological Preserve is to contribute to the understanding
of the Earth's natural systems through research, education, and protection of the
Preserve's resources. More |
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