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HomeMy WebLinkAbout07-09-09 Minutes�F,W PpRT �� n City of Newport Beach Coastal/Bay Water Quality Citizens Advisory Committee Minutes DATE: 7/9/09 TIME: 3:00 P.M. LOCATION: Fire Conference Room 1. Welcome/Self Introductions Committee Members: Chairwoman/Council Member Nancy Gardner Council Member Mike Henn George Drayton Ray Halowski Tom Houston Jim Miller Randy Seton Guests: Dr. Linda Candelaria, Santa Ana Regional Water Control Board Craig Donahue, COO, Aqua-PhyD, Inc. Ray Hiemstra, Orange County Coastkeeper Monica Mazur Dr. Danielle Zacheryl, Cal State Fullerton City or County Staff: John Kappeler, Code & WQ Division Supervisor Chris Miller, Harbor Resources Manager Shirley Oborny, Administrative Assistant 2. Approval of Previous Meeting's Minutes Mr. Seton pointed out a typo. With that correction, the minutes from the May 14, 2009, meeting were approved. 3. Old Business (a) Bay and Ocean Bacteriological Test Results Ms. Mazur and Mr. Kappeler reviewed the latest bacti reports. 4. New Business (a) Aqua-PhyD, Inc., Irvine, CA Mr. Kappeler said Ms. Rappaport had requested this presentation. Mr. Donahue said Aqua-PhyD's mission is to provide water solutions for a greener planet. He presented a PowerPoint to the committee (attached). In response to Mr. Houston, Mr. Donahue said the salt continues where it would normally go except it continues down into the soil profile in a more soluble state. 1 In response to Mr. Kappeler, the customers who have reclaimed water and high clay content soils benefit most from the process. If the water has higher total dissolved solids it's more conductive and will have a greater affect. He said their system allows golf courses to alleviate the need to flush with potable water. Mr. Drayton asked if there are parameters, such as conductivity, that can be measured. Mr. Donahue said there are. They use a very high impedance volt meter to take before and after readings which prove there is energy being imparted into the water. An extremely low frequency charge is put into the water molecules but it's a very high magnetic field. Mr. Seton asked if the units are customized. Mr. Donahue said they do customize the systems according to the needs of the customer. He explained that chlorosis is a disease found in trees due to their inability to receive the water and nutrients through the soil profile. In response to Mr. Kappeler, Mr. Donahue said the systems range from $5K to $45K. He said they really don't market their product to homeowners unless they have a couple acres of land. Mr. Donahue says their system decalcifies water but he doesn't believe any system can remove sodium. (b) Newport Bay Copper Reduction Project Dr. Linda Candelaria with the Santa Ana Regional Water Control Board was present via conference phone. She reviewed a PowerPoint handout with the committee (attached). Mr. Seton said he read a study that showed many homes are now using decorative paint with copper that could end up in the bay. He felt it should be the boat paint manufacturer who's held responsible, not the end user. Mr. Drayton said that it seems that the boat paints over the last ten years are a lot better than they were. Dr. Candelaria said the recent marina study shows elevated copper concentrations in the marinas compared to outside in the channel. She explained that this project will tell what the direct relationship is between the dissolved copper concentration in the water to the number of boats using copper boat paint. Mr. Hiemstra said the voluntary program is a four-year project to assist boaters in reducing the use of copper in the bay. He agrees paint has come a long way, for example, there were 45 different paints in the Port of San Diego study that didn't contain copper and could be used in the study. The purpose is to reduce the amount of dissolved copper to Newport Bay as a whole. He said the focus is on the Balboa Yacht Basin Marina. He said the project is funded by a U.S. EPA 319(h) grant along with some matching funds from the City and administered by the Santa Ana Regional Water Quality Control Board (Dr. Candelaria) and run by the Orange County Coastkeeper in partnership with the City. The basics of the project are: • significant education program; • incentive program for boats in the Balboa Yacht Basin Marina; 2 water monitoring program in the Balboa Yacht Basin Marina. The end goal is to get at or below California Toxics Rule (CTR) values. He said they would also like to get a non -binding resolution from the City supportive of the effort. Chairwoman Gardner asked about storm conditions that might affect the results. Mr. Hiemstra said they will focus on the summer and dry periods during the winter. Mr. Houston asked what the detriment would be if no action is taken. Dr. Candelaria said at this point some possibilities could include fines and penalties. She explained that the EPA criteria are put in place to protect the bay and keep the organisms and the ecosystems healthy. In response to Council Member Henn, Mr. Hiemstra said the study will cost $267K. Mr. Seton asked what affect the Newport Bay dredging will have on the study. Mr. Hiemstra said they're focusing on dissolved copper, not sediment. Mr. Hiemstra talked about the paint application process, cost of paint, etc. He said the results from the San Diego study will be available later this year. Chairwoman Gardner invited them back to hear the results. (c) Pacific Oyster Restoration Program Dr. Danielle Zacheryl said Bob Stein invited her to come speak about the program. She presented a PowerPoint to the committee (attached). She said she would like to find out if the committee is supportive of the program. Mr. Seton asked if the oysters could survive in fresh water. Dr. Zacheryl said it's not ideal for them. She explained that she picked the upper bay as a research site because it has natural habitat that could be augmented and it has mudflats. She talked about the different test site locations. Dr. Zacheryl said her project is a sub -project listed in the NOAA Restoration Fund recently presented to the committee by Bob Stein. They are asking for $300K to restore native oysters on Castaways' mudflat. She's also looking for other funding sources as well. She talked about her pilot program she's hoping to work on. Council Member Henn asked why the non-native oysters need to be eradicated. She said Bryant Chesney of NOAA is concerned the non-native oysters could get a boost from the shell augmentation so he would prefer an eradication program simultaneously with the restoration program. She said she didn't know whether the non -natives pose a problem or not. She talked about all the permits needed to start the program and how she also needs to get community support. The committee said they supported her project. (d) Water Quality Master Plan This item was continued to the next meeting. 3 5. Public Comments on Non -Agenda Items Mr. Kappeler said MiOcean is scheduled to install a beach monitor at Corona del Mar State Beach at the end of July. They would prefer to get the system operating at CDM State Beach efficiently before they install another one at the Newport Pier. Mr. Kappeler said he and Jack Skinner started the gutter bacteria study yesterday and would report back the results to the committee. 6. Topics for Future Agendas (a) Carnation Stormdrain (b) DWR Model Landscape and Irrigation Ordinance (c) Poseidon Desalination Project (d) NOAA Grant Update (e) Update on Integrated Watershed Planning Efforts 7. Set Next Meeting Date The next meeting was scheduled for August 13tn S. Adjournment The meeting was adjourned at 4:51 pm. W 7/9/2009 �'"� P-eunSerin, [o I n' The City of Newport Beach Coastal/Bay Water Qua lity Committee RV Craig Don all ue, COO - Aq ua-Ph yD, I nt , I Nin 0, Ca Aqua-PhyD Provide Water Solutions for a Greener Planet ■ Green company with green technology ■ increase use of effluent water who harmful effects III Reduce demand on potable water ■ Reduce need for harmful chemicals I Reduce runoff and associated problems Save water and energy sf4r4L - - The Aq u a-PhyD Tech n a I ogy serves Golf Courses & Parks i Sports Fields N Turf and Landscaping I Agriculture f Industrial Aqua-PhyD Water Solutions for a Greener Planet ■ Exploits the Principles of ElectroDynamics in Water I Non -chemical water and soil treatment system r No electrical connection required E Installed into the Irrigation/industrial Mainlines II Patented - _"N,:s ttla7o,=sc & 11/00,xas lisk:_ 1 ...rater Compar[ion Shcirldy RunafS Reclaimed soditity Water 1 7/9/2009 Prevent Salt Accumulation in the Root Zone• r wpr.ue CrdmtlWyea�ae(m�66 Increase Hydraulic Conductivity Aqua-PhyD reduces harmful effect from using reclaimed water in saline, compacted, sodic clay soil H{w-Pt,D ireaeed bolt to . in R.—, xV using P.Moed Wa on Ctiy 5aih. Ala wrier saninp.d —,, the twitestsrenn.r vn—.,J and M. Mi- rWrfours.s W— in tf e — int. —d water � n. tsx. r Treated and Nnn Trc t,dsoil Chart illustrates four turf fields with high soil compaction, After 30 to 90 days of treatment, compaction is reduced to the 200-400 psi range University Turf Test: f Reduce harmful effects of reclaimed and high TR5 water in Southwest compacted, sodic soil Test performed on Plots using High TDS Water. Aqua-PhyD Plot received 15% less water than Control Plot Aqua-%lyi7 haf redltLYd CORIPOC[laft, HraIK r15e and [h7wouf wHile iat�ravifiQ water! fehrarfan and nutrient ornil7h4ety- Mymain conrem was the evmao tress due to severe rhteroeu and the dedrne in twafth oueroll, t feared they may need to he removed. W%s after Aqua-Wiyo, the bloom d ttw Lest if has bem in quite some VMe and the 120u25 were o yk-y green a3 apposed to the typ Wchiafww rharhad bee, erperienred in the Oust.' - Les strdce —Sate CsPltal, 5tate of :AWwia Operations M4"eer 7 7/9/2ao9 F Provide Analysis of Site Data with Products, Services and Support: Water sampling and analysis Soil sampling and analysis Compaction Mapping i Fertility program and BMP development E. Altering Management Practices to Enhance Water use Efficiency 7. Indoor and Other Water Conservation Practices 12ew non T ,� s. snn,.rr n..d, 1, mrn;ansrtrr[arrymmrl 8. Education 9. Development of Written Water Conservation and Contingency Plan 10. Mentoring G eneratedorer 5200k in revenue in Fist full year 120081 of operation Signed Dirtnhution Agreement with Crop Productions servin ([ S) Formerly Western farm Service, Cps is a subsidiary of Agnum, MYNF! AGtI- Re iv Mup 10 New Producr award from Wotld Ag EoM the ^ wnrld's largest annual Agri rulte,re show l(0.J]) t Sponsored by the Westlands Water District {water district serving ouer Snu,om ac in the Central Valley of CAI to submit a Federal Grant to subsidize the purchase price of APD units, Fresno State Rroccuk Stu)y: Using 204E less water, produced a better pEant and greateryleld. 1, Plant Selection • Taleranceto • Climate Extremes Pest stresses • Soil Types Water Quality 2. Alternative Irrigation Sources 3. Irrigation System Design and Devices 4. Irrigation Scheduling 5. Golf Course — Park Design Improve product quality using less water.} r I - 'Using normal water, Soil and fertilizer procedures, my planes will grow 8 to 10 inches of new growth each season. With Aqua-PhyD I _ have 18 inches of new growth with a healthier ...u., plant using no fertilizers. E have happy plants" e rcn.�k ter.-�aa xiw,-i ^Fred u+ipa�onr ram u, wren use. inrnesednrotnvre M r8e aelL roared sae row,. eta M brdrerykaiM my Coss=firld.•lnvSm�i ee,—rirN M—,fcv 5onaicmn. Ca �y AraWrs �i�i! • v,Vr•N rarer xre fry 2N', ter.-C mnianwe rmlm[ ' Improved AtRri[nf soL.bfRM roauao pradu�wr i.n.. i.. ... .. a... �.�.. �. . 3 7/9/20as a y .Sokrhie Salta - Sodium SYlfur Ke LempadwK indirate ifnpmvad and more eK rient water m wemem in the soil University of California, Irvine Research Study.. — y . The Control of Anaerobic Microbial Corrosion in Iron Pipes - Teat Pa rticlpa nu: Dft X.hq --d r Three Mile Island Nudear Facility,at r uC Irvine Research Department rw.atsm + Aqua_Phyl) "'Me plc depth di tribu ions — w^ clearly ddfereni, with the pits 50% larger fortheuntreatedwGingwater- .neda. AnaNsis of Variance 'AN OVA) rw�� Dorn rr, r-� coraTirmsthe difference Other Appira[.igts; distributions with a prahab+ity that ■ 9-1ing & in AC they me, the same {Pl of to^-S." F[ee iiYaier Re(irWiatrDM1 -n�. [anrtsC ENtfinian ■ Overhead Sprinklers '�S`-a.'.'rre('fwruila lw Aexarrh F!ofw.sw W rlenwalring rrs Matnuh-�rv.nco ■ Ballasts. ship C.Ad Uni�mwl5'o=aidnriiia h��nn 1 Growing Ave grass with 20% less wafer ' It Growing Rye grass using reclaimed water in corn parted soil N Growing Bermuda grass with 20%, 30%, and 40% less water 1 Growing Blue grass wl 20% le% water • compacted soil in desert location ■ Growing push-up greens with 20% less water ■ Reducing compaction of Calcareous sodic suit with TDS water 1 Growing com wish 30% less water 1 Growing Pl umeria Pia rin with 40% Tess water and 4 to S increase in yield 1 Dry on Vine (I)OV) Raisin vineyard - Enhanced plant hea lth 1 Disru pti ng a nd controlling the Colon iration of iN icrobes in p ipes 1 Growing Broccoli with 20% less water and producing a more mature plant T I Case Study Rryorts arerla blc on request Aque-Phy& is wnrkkV with the following agencies • YaaEaradsWpar nlrtdct-tipnmr�ier=. Fpy I,-:[ •vpr„alwvraarda 51 rn1Wnnla Fmprcu[e.pyth Prl raer sort lmr awen Iw thr v.r,hmr of III, non•,. • LrvVVe<S•nf taiel wetrrpirtdrt. Vnrr.hrnd an avn eyrrem as yNr Mthe nfraarurtue build out mbnt• reclainird..atn to r ne W>•n+�eNeri— Gull C--. Cmt d the slstem ra< Prrwidep M the— d'nr- es pert d'aa nfra[run ure blMwy, r G1uniiCapfpl- ranalled teu system at the Sane Cyadn wmmx d �. the 9lxe has ..he wrcrosed area adea xhWV eaepti-g ..sake r 5•rMC4n Yager auarl,, Aq-41 0 is in developmentaltalks wNM. .•ae[roeoo.�warncaninarsM,t!—ealdm1 r Sou[hvrn fildornia Edkhn • [:wrhdla wlby u r -q r Lmg aeach-ft cind.uceatloh E oraa�nt^��,r-vans ann xenen;�. J The Aqua-P hy0 bech nology has been appiied to large-scale industrial cooling water opportunWes- The company It as active testi ng a nd in stallation opportunities in the foNowing areas: Power plants Cooling Towers Refineries Cam mercial Real-estate 1 Reduce Compaction - Improve Water Infihration and Percolation A Decrease Water Usage and Improve Drainage 1 Prevent Salt Accumulation in the Root Zone 1 Pm proves the growing medium and makes high TV5 water usable ■ Reduce Harmful Effects of Red aimed/ Low -Quality Water 2 Enhance Beneficial Microbial Activity and Nutrient Soluhi11ty �. 1 Save Energy and Water — 1 Increase Nutrient Availability 4 7/9/zoos [nsrS p ROI h the cwnolaefvv imparrof savings on wat.r urge, emrgrce[numpflen and am.e.dmrrrt aypliearivn. • Rrv¢nu¢ ROI is the high and the low rar.�e of bene}it from •nc-eaaee rie]d, �arrytime-ra- marke! end soiliwm arug�mwnt • Allnytnbener.l»*W Orl adw[ppwr ngiPVWm ion. r -- Aqua-Phy❑ Wafer Solutions for a Greener Planet Coastal Boy Water Quality Committee, Thank you for this opportunity! Craig Donahue Chief Operating Dffirer, Aqua•Phyl7, inr- 17155 Van Karman,5uite 112, lmine,Califnrnla60614 949-476-2782 Office, 949,4144996 Cell, 949.474.7493 iaa 5 Newport Bay Copper Reduction Project (3-19h grant) presentation by Ray Hiemstra, Linda Candelaria, PhD Background - Why are we doing this? Newport Bay Beneficial Uses Copper Criteria Statewide activities Newport Bay Activities Newport Bay Beneficial Uses Navigation Commercial and Sportfishing Recreation (swimming) Spawning Marine Habitat Shellfish Harvest Rare species Wildlife Habitat dw Copper CTR Criteria California Toxics Rule .- Monitoring Impaired Waterbody List —(303d list) CTR saltwater criteria (Protective) Cu -3.1 ug/L —chronic, 4.8 ug/L —acute Zn -81 ug/L —chronic, 90 ug/L —acute Copper -A Water Quality Issue'" Statewide/Regional Shelter Island TMDL Statewide Marina Workgroup/ Cu workgroup Department of Pesticide Regulation —Marina studies -Cu boat paint reevaluation Statewide Marina Permit Port of San Diego Antifouling Paint Project Newport Bay Newport Bay Toxics TMDL City/Regional Board studies Statewide/Regional Activities '! Shelter Island TMDL Statewide Marina Workgroup/Cu workgroup Department of Pesticide Regulation —Marina studies statewide (SD Bay, Newport,) -Cu boat paint reevaluation Statewide Marina Permit Port of San Diego Antifouling Paint Project ddW Newport Bay Activities��' Metals Monitoring/303d list Newport BayToxics TMDL attD://www.waterboards.ca.gov/santaana/water issues/prop^ s/tmdl/tmdl toxics.shtml Metals studies in Newport Bay Newport Bay Toxics TMDL -approx 6lbs Cu released per boat per year=approx 60, 000lbs Cu per year -boats are #1 source of Cu to Newport Bay `-- -next highest source -tributaries (approx 7000lbs Cu per year) ary OT Ivie-LdIS snouts to Table 5-11 rtewport i5ay Cd Cu PI) Zn fr h�vaterl -------------- Recreational Boats --------------- Air dep�sI ionl- ------ Ambient sea ater4 702 13� 12 3a245 negligible --. 3.5 --------------------------- 50� 114 ----......................................................... -----... I (M t..........................68:�.........................606 1 . I .1 -------------------------------- negligible 233 Unknown ................� ........... 9330 389 Poi,e�vater5 neg l igh le L. ii kii o�v n neghg De negligible Tota 1 393 58a 002 14 a 113 43 a 181 ddW Cu/Metals TMDL Studies in ��' Newport Bay Cu-Metals Marina study t i.tp://www.coastkeeper.org/content/documents/FinalCu Report 0408.pdf Storm drain study 319h Cu Reduction study ddW 319h Project Basics A four year voluntary program to assist boaters in Newport Bay to reduce the use of Copper and �other toxic boat bottom paints. Y r The purpose of the project is to reduce dissolved copper concentrations in Newport Bay. To proactively deal with copper (and other metals) that are included in the Newport Bay Toxics TMDL Who is involved Funded by USEPA 319h Grant Administered by Santa Ana Regional Water _ Quality Control Board Run by Orange County Coastkeeper with City of Newport Beach and SARWQB as partners Project Outline"&-OOF"� Education program Incentive Program For Balboa Yacht Basin Water monitoring program to document progress in reducing copper levels. Other Components �- AM.. Work with boatyards to provide nontoxic paint services - Work with paint manufacturers to �- introduce nontoxic paints to Newport Bay Boaters Non binding city resolution to encourage the use of nontoxic paint. Education Program Workshops, Educational Materials, personal contact Focused program at Balboa Yacht Basin Harbor wide component Newport Bay Specific Incentive Program �- AM.. Focused program at Balboa Yacht Basin _- Combination of incentives based on input - from stakeholders. Incentives applies to Nontoxic paints only. Water Monitoring Will occur twice a year in Balboa Yacht Basin - and two control marinas and channels At least eight sample sites Establish baseline conditions and track reductions in dissolved copper concentrations. City Resolution 4WO Non Binding —i.e. voluntary Important incentive to boaters, highlights _ regulatory process in progress. Developed in cooperation with Harbor Bay Water Quality Committee/Harbor Commission J- Summary--�'�- Copper exceeds CTR criteria in Newport Bay _ 319 project proactively addresses a long term problem Project Participation is Voluntary USEPA Funded Project reduces city costs Contact information Ray Hiemstra rav@coastkeeuer.om 714-850-1965 Linda Candelaria Icandelaria@waterboards.ca.gov 951-782-4991 M The native oyster, Ostrea Idnoda," low Dr. Danielle C. Zacherl, Assistant Professor Department of Biological Science 40 p g California State University Fullerton Talk outline •Introduction to the native (Olympia) oyster, Ostrea lurida •Proposed restoration in Newport Bay Ostrea lurida The Olympia oyster mat *Only oyster species native to US west coast *Formerly synonymized with southern congener, O. conchaphila *Heavily harvested in early 1900's; decline coincided with introduction of non -natives, particularly the Pacific oyster *Recent interest in restoration if SLtb CAID ADA Pacific Ocean Lady -ELlith Bauffield Gmvs FFxboy %Willapa Bay Netart, Bay Ya,r.dua Bay Coos Bay BiL-Lazoou Hi=bolcit Bay Toluale, Bay Drakes Estero Boluian Lazoou San Francisco Bay Fikilorn Monz Bay Point `diirl Ala=to, Bay �Lvkvport Bay Aqua HE&Dnd. Bat'LqUitM Laggoou �-fission Bay Baja San Dieso Bay Califomia Bahia SaLl Qneutiu Cabo Som :,u. a, UVW 2c.:N } I .wr - } - = ram• _ *� - - http://www.pacificcohistory.org/sw2005_3_O3.jpg •Tonging for sub -tidal oysters *Most research and restoration done on intertidal populations Identifying native oysters Elkhorn Slough Baja F i • Morphological plasticity • Misidentifications • Anthropogenic transfers San Francisco • In CA can be confused with the Japanese (Pacific) oyster and oyster mimics (e.g. Pseudochama and slipper shells) Identifying native (Olympia) oysters Native (Olympia) oyster, Ostrea lurida • small (< 50 mm) • top valve may have purple lines •Flat profile • Inside has a distinct green iridescent color with denticles (`teeth') at inner shell margin near hinge Japanese (Pacific) oyster, Crassostrea gigas • large (up to 30 cm) • fluting on the top valve •Thick profile • always thick and chalky white inside • Inner shell margin smooth near hinge When in doubt, crack it open! Most oyster species are dioecious `free -spawners' EGG EYED LARVAE OYSTER LIFE CYCLE ADULTS J From: h ttp• //www. ag. auburn. edu/fish/image gallery/de tails php limage id= 243 d* s s► In contrast, the Olympia oyster is a protandrous hermaphrodite and broods its larvae in the gills Hinge •Sperm produced by 5 months, , 4 eggs by 6 months Stomach Heart Adductor •Larvae brooded for 8-10 days muscle •Larvae spend from 2.5 weeks to 2 months in water column Rectum Anus Mouth Labial pales •Settle as "spat" onto hard From httpllencorta.msn.com/Medli7 461517757/6eneralized Anatomy_of an Oyster.html substrate ("spatfall") Mantle Ostrea lurida life history •Zacherl lab research has focused on WHERE and WHEN oysters settle •Now starting to think about WHY they settle where they do, examining factors influencing adult success Oysters are filter -feeders whose activity can significantly impact water quality and clarity 'r 1 � 1 •a S F http://www.dnr.sc.gov/marine/mrri/shellfish/images/fiIter.jpg Restoration of Olympia oysters • Oyster beds stabilize soft sediments, provide habitat for other organisms, and improve water quality • Two -fold oyster problem: restoration of the native O. lurida and eradication of the non-native C. gigas Strong interest in many locations for restoration projects • San Francisco Bay • Coos Bay, Yaquina Bay, and Netarts Bay in Oregon • Willapa Bay and Puget Sound in WA A volunteer helps load bags of shells hosting native Olympic oyster larvae onto a boat in Netarts Bay, Oregon. © Dick Vander Schaaf/TNC Maria Polson •Conducted first large-scale study of population demographics throughout range (intertidal) •Generated molecular evidence that O. lurida is a different species than congener O. conchaphila 0 i T- T S A fl s ANADA Pacific Ocean Ladysmith 4 - Sanrfield CT= Harbor Wdlapa Say Netans Say Yagwna Say Coos Say Humboldt Say Tamales Say Drakes Estero B&6aasLagoon SanFiawiseo Bay Elkhorn Slough Ifonn Say peat MUgU Alanutm Say ewport Say Aqua HedLoada SafigmtosLagE1Gu 41 R Baja �•fissoan Bay San Diego Bay California Bahia San Quentin Cabo SailLucas Ifs � `': - � •�,� � � ip. 1/ it �4, *L - 5 •, - � • 2h timed search in areas with favorable habitat • rank areas - 50 m long according to density Rank #/0.25m2 0 0 1 <1 2 <10 3 < 100 4 > 100 of ST AI LH P' GH Pi 1NB P' NTB _ YB CB O' BGL HB TB 01 BL PSQ ES 01 N/R N/L AB NB AF-L BGL NB SDB SQ O1 CSL 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 Average Rank •Also multiple size classes represented in so CAL From Polson and Zacherl (2009) Journal of Shellfish Research 28: 69-77 Challenges to restoration of native oyster populations in southern CA? • What were historic abundances of local populations? • Are populations recruitment -limited, habitat -limited, food limited, etc? •Is there local interest and support? Proposed Restoration Site — why here? Castaways Mudflat Q� �n �II�M❑ �JJJJWL m o o meta �Mes� 5 5 H e.g..ts , MU uric+ ! ORORR�r L1J� ❑ u ' �� Newp•aft o R IL n ���C�� Bay Eco Pr i •Erin Seale measured spatfall for two years in Aqua Hedionda and Newport Bay starting in 2005 •Other Zacherl lab students have been measuring spatfall in NB since then Map of New ort Bay Research Sites Santa Ana � �pper'1'+I$w�or't — �� B ,3 � � Park � •••� r Uooer fk-Iewp v rt Bay ce L'oviii Seach Newwrl � n�l �arl �ti � �f7EI . ��: •,� t #fir ` 1�1ea�.'p4rt Mair' Rhine r al �lnChan er. Nor oriL-141 I3rin it: *K: t cclunQslut I ::/ N8WpUrt 10 ch Pashl�fl ; C ounb-yr Ckjb Island 11 L -166 t1Rt.PlHAR #1. 6000 3000 2500 2000 1500 1000 500 0 -� Settlement of spat is usually an order of magnitude greater in the upper bay LOWER BAY UPPERBAY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Q Q cn cn O O Z M M LL Q Q Q cn cn z LL Q Q Q V) 0 •M :M 7000 6000 N E 5000 (10 4000 3000 2000 1000 0 Settlement of spat is generally hiahest at Rockv Point JJ AASSONDJFMAMJJJJAASSONDJFMAMJJJJAAS 2006 2007 2008 Summer 2010 Reef Design Pilot Experiment Castaways Mudflat 25 experimental plots (2 m X 2m) 5 treatments 5 replicates per treatment) Loose o���0000 o �8o°%Ooo Loose deep Control Bagged deep •Examine whether habitat augmentation will increase spatfall, survival, adult density, and community diversity 2011 and beyond •Restore 500-2000 sq meters of mudflat into oyster bed at Castaways •Target other locations in upper bay for future restoration: Coney Island, Rocky Point To do (2009-2010): •Secure funding •Initiate permitting process •Conduct preliminary surveys of community diversity and spatfall settlement and survival at target locations for restoration Acknowledgements Students: Maria Poison, Erin Seale, Lily Sam, Meredith Raith, UMEB-SCERP scholars, Mike Navarro, Sara Koch, Diana Lloyd, Melissa Romero Collaborators and helpers: Steven Morgan, Henry Carson, Stephen Swearer, Bob Warner, Steve Gaines, Steve Lonhart, Alison Haupt, Crow White, Sean Walker, Doug Eernisse, Mike Sheehy, Georges Paradis, David Lea, Stefan Karpinski, James Watson, Rob Toonen Financial support: NSF, CEQI, PISCO, CSU Special Fund