7/29/2019 re LA JOLLA LEOPARD SHARKS

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J o l l a V i l l a g e News tosocial networkon www.twitter.com

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et us know what you're thinking/TIDE LINESShores hits th e spot for leopard sharks

B Y JUDITH LEA GARFIELO | V I L W G E N EW Sk n o w n that fordecades leop-

s sem ifasciata) aggregateJolla s open coast, but no one

cameand what made theScripps Institution of

PhD student AndyNosal,concluded a study of these

that although pracn'-}fn/A/f>Jx fire mnli in; r-rC'J,-

G e t daisdn

'don't gather to givese the pregnancies are earlycongregations of pregnant

arealsofound throughoutd Baja, Mexico, but they

instead of opentheir summer sojourn.the La Jolla site is less ruggedf the coast becauseit isdou-

beachon oneside and cliflsThis arrangement reduces

by mature malebecause thesiteiswithinthee SanDiego-La Jolla Under-

icological Reserve, depletioni-by humans isprevented.ted closely at other physicall ota^Jjoresenvironment:ed ami iraSSfcg^^yjite'submerged canyon. Theo*jthe conclusion ofRose

Leopard sharks mill in aggregations off the Marine Room at La Jolla Shores.2012 Judith L e a Garfield

tion in the shallows so they can insteadinvest energyinto speeding embryodevel-opment. The canyon also supplies thesharkswithfood security,primarilymarketsquid (Doryteuthis op d e s ce n s ) , which arehunted during nightly forays into thedepths.

Thus, while the La Jolla site is opencoastal, itprovides ajscj j

Th e submarinehact s lo slow down incam-responsible for the Shoresner h a v i ng ih c gentlest surf

f, combined withenerateswarmer water in: k e f ftarrthat found in therater. Toasty, calm condi-:gnant sharks expend less

w a r m and holding posi-

iere the La Jolla B en ch &TennisClub stands today was, in the past,an estuarine lagoon. Evidence comes from00-year-ui:sils (trom a nrack isf i water invertebrate)"collected in the submarine canyon's mud,silt and clay substrate.

Theancient lagoon's onlyreninant is asmall duck pond on the club's property.While this does not imply that today'ssharks are somehow genetically pro-grammed to return to thelost lagoon, ben-efits from the lagoon would have beenicing on the cake. Whatever extra good-ness the long-ago lagoon supplied the leop-

ard sharks, having a no-take reserve intoday's environment has been key to pre-venting their local extinction from over-fishing.Regardingcommerce, the leopardshark's continued presence has benefitedL a Jolla's business community throughleopard-shark ecotourism.

Nosal's work has not only demystified..- 01 uiiai makes L u Julia's leopardsharks r ick , hut i f has demo nsfrafpr f f f n -vuluc- of small no-takereserves in protect-

ing marine life that exhibits a singularbehavior.

;. pregnant sharkscan he [by a no-take reserve to benefit the sharks,the public, La Jolla's economy and sci-ence, " Nosal said. "Thereiscomfortknow-ing these sharks will beprotected forgen-erations tocome."

Judith L e a G a r f i e l d , naturalist a n dunderwater p h o t o g r a p h e r , ha s authored tw onatural history b o o k s about the underwaterpark o ff L a J o l l a C o v e a n d L a J o l la Shores.Sendcomm entstojgarfield@ ucsd.edu.

Grant paves wayfor Scripps Healthtech advancementsTheQualcomm Foundation rec-

ently awarded Scripps Health witha $3.75 million grant to furtheradvance the development of break-through digital technologies inmedicine. Funds from the grant willgotoward runningclinical trials ofterns, creating rapid pharmacoge-nomic diagnostic tests that can beadministered in retail stores, anddevelopingappsand embedded sen-sors to track and predict heartattacks, Type1diabetesand certaintypes of cancer.

"The support from the Qual-comm Foundation of our ef for ts atScripps positions us to catalyze theftiture of digital medicine a newform of health care that is remark-ably precise, tailored to individualpatients and designed to engagethem in their own care," said EricTopol, Scripps Translational Sci-ences Institute director.

T H U R S D A Y

vast immune databaseTheNational Institute oLHealth

renewed a$22million contract fo rand developers of the Immune E p i -tope Database (IEDB), a highlyadvanced research tool that servesas a critical component fo r researchto design new and better vaccinesagainst infectiousdiseases or treat-ments for autoimmune disorders.

The database is the world'slargest collection of scientific data

efforts to save La Jo/la's Walltee, he Save Our La Jolla Poste willhost afundraiserand com-entfrom 10a.m. to noon on Oct.i post office a t 1140Wall St.a t the event wil l go toward c o v -I recjuired for an annii *. *- -

In celebrationof 30 years serving the La Jollacommunity, Beauty KliniekAromatherapy Day Spaand We/lness Center willsay "thank y o u " to its c u s -tomers with discountsonservices and retail, nfor-mative health lectures, raffle prizes and a silentauction at its wellness center, located at

To honorKODA Saloning upfree ness Monthcompliment