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Phosphorus limitation of ecosystem responses to global change
The Jasper Ridge Global Change Experiment (JRGCE) began an experiment located near its main field plots to test a new hypothesis concerning responses of ecosystems to environmental change. The hypothesis is based on six years of field results in which elevated CO2 had a small negative effect, or none at all, on plant biomass, together with a reversal of this pattern--enhanced production under elevated CO2--in plots burned by a wildfire in 2003. The team hypothesizes that phosphorus availability limits the response of California grassland to elevated CO2, a limitation that can be temporarily reversed when fire liberates phosphorus that was trapped in aboveground litter.
This study tests the P-limitation hypothesis by examining ecosystem responses to additions of nitrogen, CO2, and phosphorus, applied singly and in all possible combinations. This factorial approach allows one to ask whether, for example, the response to elevated CO2 differs depending on whether nitrogen and/or ... Read More
Performance artist Ann Carlson offers unique view of Jasper Ridge
Jasper Ridge Biological Preserve recently hosted Picture Jasper Ridge: A Performance Hike –
a 70-minute "tableau vivante" experience combining a walk in the preserve with actors recreating historic photos near the actual locations where the photos were taken.
Picture Jasper Ridge is the work of Ann Carlson, an American dancer, choreographer, and performance artist. Carlson is currently in residence with
the Stanford University Drama Department for the
2011-12 academic year and is the inaugural visiting artist at the Jasper Ridge Biological Preserve during the Winter Quarter.
Read more at Stanford News.
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JRBP Annual Report
The 2010 - 2011 Jasper Ridge Biological Preserve Annual Report is now available online in PDF format.
Download the Annual Report.
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Successful prescribed burn at JRBP
The California Department of Forestry and Fire Protection (Cal Fire), in collaboration with Jasper Ridge Biological Preserve,
conducted a small, prescribed burn inside the preserve's main entrance on Sand Hill Road on Monday, July 18, 2011.
The prescribed burn was confined to just 1.2 acres of grassland and provided a range of benefits for management and research.
More information, including videos and photos, is available at jrbp.stanford.edu/fire.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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