JRBP ('O'O) September 2025
September 2025
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ANNOUNCEMENTS
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Save the dates! Evening Lectures are back for 2025-2026!
Trail of Truth Evening Lecture: Chairwoman of the Muwekma Ohlone Tribe, Charlene Nijmeh, will speak on “The Trail of Truth Continues,” on Tuesday, October 21 at 3:30 PM at Sun Field Station. See more details on our calendar of events.
Mapache Gate upgrade: Access is now card‑key only. Please use your issued docent Stanford ID or HID card; Jasper Ridge physical keys will no longer work.
Searsville Watershed Restoration Project: The SWRP website has been updated and a new NOAA Story Map featuring Jasper Ridge has been posted. Subscribe on the SWRP site for updates.
Sun Field Station renovation: Siding work is progressing; a punch list is expected in late October–early November.
San Mateo County mosquito treatment: The final 2025 treatment is scheduled for October 2 (with October 3 as a backup).
OBFS 2025: Jorge Ramos will participate and present at the Organization of Biological Field Stations annual meeting at the Rocky Mountain Biological Laboratory.
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IN THE NEWS
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New publication: Jasper Ridge scientists co‑authored “Soil moisture and the number of simultaneous stressors drive interactions among global changes on denitrification”. This study advances the understanding of nitrogen‑cycle responses to multiple stressors.
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RESEARCH
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New Research
Student Allie Skalnik is working with Prof. Rodolfo Dirzo and is testing bobcat scat for anticoagulant rodenticides to investigate links to mange. If you find fresh bobcat scat, please report it using this form.
Oakmead Herbarium
Thank you to Ann Lambrecht for completing and uploading decades’ worth of plant observations to Calflora. The records date back to 1975, when she joined the first docent cohort taught by Herb Dengler. We thank and congratulate Ann for her years of volunteer service and for making her botanical observations publicly available for research, education and inspiring future botanists!
Project highlight:
Learn how Prof. Leo Hollberg and Asst. Prof. Alison Hoyt are developing optical methods for continuous methane monitoring above Searsville reservoir.
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EDUCATION
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2026 Ecology and Natural History of Jasper Ridge Biological Preserve
Sign up to receive updates about applying to the Ecology and Natural History of Jasper Ridge Biological Preserve (BIO/EARTHSYS 105A/B) docent course. Applications open soon! To join the mailing list (listserv jasper-ridge-opportunities), contact Katie Glover at kcglover@stanford.edu
Digital waiver: The Jasper Ridge visitor waiver is now electronic. Non‑Stanford guests must complete it before trail access.
Bee/wasp season: Stinging insects are common—please review our updated emergency and allergy guidance before visiting.
SOAR Network keeps on soaring!
Read the latest SOAR Weekend Field Intensive Course blog to learn about recent student field‑training experiences. The blog was authored by SOAR and Stanford colleague Esther Cole Adelsheim.
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STEWARDSHIP
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Jasper Ridge Stewardship Intern program
Jaime Yu and Atash Heil completed the 10‑week stewardship internship focused on fuel‑reduction field methods and data collection, invasive‑species management, and independent projects presented at the BSURP symposium. Atash’s project was titled “Oak Regeneration Under Fuel Reduction Management,” and Jaime’s project was titled “Informed Stewardship: Invasive Species Distribution & Risk Mapping”.
Annual SLAC tree maintenance
Work under power lines is mostly complete; some trimming and removals occurred.
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THANK YOU! GRACIAS!
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Thank you — your volunteer time and support are essential to our research, education, and stewardship work. Special thanks to our docents and volunteers.
Thank you, docents, for helping researchers: Teal Derrer.
Thank you, docents, for helping lead educational tours last month: Catherine Magill (2), Jonathan Segal, Klaus Porzig, Jackie Magno, Bob Siegel, Kelly Benitez, Roger Hine, Dawn Neisser, and Paul Heiple.
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DONATE TO JASPER RIDGE
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To support JRBP ('O'O) in its new challenges, please visit our Donate page (link here). Thank you!
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PICTURE OF THE MONTH
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Inspired by the latest docent emails from Targe, Bob, and Jane, I created a collage of four 2025 images of Searsville Reservoir taken from Monica’s bench. The images are, clockwise from the top left: February, June, August, and September 2025. Pictures by Jorge Ramos.
