[Ccb_faculty] Fwd: CalBotSoc Speaker August 11: Dr. Helen Holmlund

[Amy Litt]

Chaparral ferns - very interesting!!!

---------- Forwarded message ---------
From: The California Botanical Society <membership at calbotsoc.org>
Date: Mon, Aug 8, 2022 at 1:55 PM
Subject: CalBotSoc Speaker August 11: Dr. Helen Holmlund
To: Amy Litt <amy.litt at ucr.edu>


"How do California ferns survive in the drought-prone chaparral?"

Botany Speaker Series

Upcoming talk:

Dr. Helen Holmlund
This Thursday!
*August 11th, 2022*
7-8 pm PT

"How do California ferns survive in the drought-prone chaparral?*"*
<https://calbotsoc.us7.list-manage.com/track/click?u=c632809fa2b75323f2418bb1e&id=b407d8de42&e=b69ac08598>
Talk Description

Most ferns in the world require abundant water to survive. However, ferns
growing in southern California’s chaparral ecosystem experience a six-month
summer drought every year. How have California ferns adapted to thrive
despite limited water availability? My colleagues and I have assessed fern
water use over the last decade and learned that these ferns have adapted a
variety of strategies to survive the summer drought. Some ferns are
evergreen, surviving the summer drought either by habitat selection (e.g.,
a perennial stream) or by extreme leaf dehydration tolerance. Other ferns
experience summer dormancy, dropping dead leaves in the summer and growing
new leaves after the first rain event. Perhaps most remarkable are the
resurrection ferns, which can rehydrate (“resurrect”) apparently dead
leaves when wetted. These different strategies likely reduce competition
for water among fern species. Many questions remain about which ferns will
best survive the challenges presented by climate change.

*Join us this Thursday August 11th, 2022*
*7-8 pm PT*
Zoom link
<https://calbotsoc.us7.list-manage.com/track/click?u=c632809fa2b75323f2418bb1e&id=8c540d4154&e=b69ac08598>
Bio

Dr. Helen Holmlund is an Assistant Professor of Biology at Pepperdine
University. She earned her B.S. in Biology at Oklahoma Christian University
and her Ph.D. in Ecology and Evolutionary Biology at the University of
California, Santa Cruz. During her graduate work, she also spent a year
training at the Australian National University. Her research in the field
of plant physiological ecology explores how plants can survive drought,
fire, and salinity. In particular, Dr. Holmlund is fascinated with ferns
(which typically require abundant water) and how some ferns have adapted to
thrive in dry ecosystems, such as the Santa Monica Mountains in
southern California. Her research on these “extreme” ferns has also taken
her to the Channel Islands, the mangrove swamps of Australia, and the
tropical rainforests in Costa Rica.

*Talk Zoom link: *
*https://ucr.zoom.us/j/98594151297?pwd=NXlJQ1YrVW10a2N5d1BnRWVrMVdkZz09
<https://calbotsoc.us7.list-manage.com/track/click?u=c632809fa2b75323f2418bb1e&id=4c99ea03cc&e=b69ac08598>*

<https://calbotsoc.us7.list-manage.com/track/click?u=c632809fa2b75323f2418bb1e&id=c6999c0293&e=b69ac08598>
*Upcoming dates! *
*2022 Botany Speaker Series *
August 11: Helen Holmlund, Pepperdine University
.
.
November 10: Phebian Odufuwa, Boise State University




*Are YOU an early career botanist? Want to give a talk in 2022 or 2023?
Email us at membership at calbotsoc.org
<membership at calbotsoc.org;+rlolliff at berkeley.edu?subject=Botany%20Speaker%20Series%20Talk>*


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