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March 1995, Slide Presentation, Portuguese Bend Abalone Cove Shoreline, Restoration of Intertidal and Subtidal Habitats VIN210.411V3 SICRIHA SOlVd OHDNIV21 SJLVJL1IIVHTVcllLLiluiS IVCILLWAINI 40"vNI 41 IIVI07-'-SHR1 1 HICITAROHS HA03 0NI11 IS 'Afl9f1I110d cool H MVINI PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION , � .''. A %,.:VERDES PENINSUL EQRTLIGUESE BEND / ABALONE �liff4ig„ 7., . nv COASTAL ENVIRONMENT -. , . ,-;;'2.f.!;.: • PRIOR TO 1956 , ..., , ,, „ ,,, , , ,''‘A",.'', t • AAMN ,, ,1-„, .,,, .,„ .,.: • RESTORATION , ,c, • PRESENTLY ,,, ,. • n , '`:r•'r�','Z• ` •. ,acs,\ Y, .u..�s�� . • 'SJ •� r 1,, ♦.. ,f�II* R �40 T ". •4 l II .-W' dr 1 44 le. 1 t fil . } ;..e` i gyp• „1„1,,,,• •, �•, •' •• r.�yR.', "j.' ie ' • ~'. r.:. gal 41!W +� . *rL • ', , „r' i� _ . 4 �. 4: r i �1; a ♦. • 44/• .7.-...,* .„&t..;,., ... , -1, , fr?. **. . • , - ..., .,” " •\".., ›. c.v.' -. ,A, i • Ill 7.:70.,,,, ...; , • r t :. 1 � ir i ' faf M i' . .. it 1.111.1'4,„ 110' vet • Atjp • 41, 1 •+ ' •• te _ t ,` v•� t � r ii ,'•:''''.. � ti� - b . ,' 'ar,. '�- " ; ,` .' ;�:,,� T ' ;, '' .i In 11111t:-..:.iiii a " ....., fid, • • k ••• k „ @*..yk ""V. `w. •. `,KWh • , 41,41e16 "me r A A-,.."''-. ' ' \NN= t \ • 1. l t PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION EHE DAMAGE AT ORTUGUESE BEND IN PERSPEC _. ._.. _ . * COMPARISON OF THE EXXON VALDEZ OIL SPI '' VERSUS THE PORTUGUESE BEND BLUFF EROSION • EXXON VALDEZ ENVIRONMENTAL DAMAGE IS ESTIMATED TO BE $4 BILLION • PORTUGUESE BEND / ABALONE COVE LANDSLIDE DEBRIS DAMAGE OF THE COASTAL ENVIRONMENT EXCEEDS $4 BILLION BASED ON ORGANISM REPLACEMENT COST ffl RANCHO PALOS VERDES. CALIFORNIA mow.-.:� 40^. • ....,..a;�s' .171 k 4111 PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION I • IDENTIFY THE MARINE ENVIRONMENTAL DISASTER THAT SHORELINE EROSION HAS CAUSED AS A REA ENVIRONMENTAL DISASTER fi • • HELP OBTAIN THE APPROVAL FOR THE RESTORATI + � OF THIS SUBTIDAL MARINE ROCKY SHORE AND SAND BOTTOM HABITAT lb SEEK TO RESTORE THE PRE-1956 ENVIRONMENT BY SUPPORTING PERMANENT SHORE PROTECTION • CREATE A PERMANENT COASTAL HABITAT FOR KNOWN SENSITIVE SPECIES AND OTHER FISH AN WILDLIFE RANCHO PALOS VERDES, CALIFORNIA 4a/prill,A. IN - S 400,000.40040000111111.(41411111w.. . ' -411111: ,,, .....,I. iiiir, --41114, , ... liC.. Ao-r,, * ,.,,, ip - ''..s..''_....0 ',10V, . 'tea 7 .. - �, , 4 N T . ter " ...y, pi .e .. • f v� of r:�{. +4� id' ! _ �'`.4.,e , I -NAL,' ;"'.r1 a f a` « .1* b' we - PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION LANDSLIDE ABATEMENT STATUS . .,. ., COASTAL ZONE . .:„:',.'0''',41f."'4,,,,,';,',",• (LOWER ONE THIRD OF LANDSLIDE) :;;;;,,,, I * ATE OF MOVEMENT (FIGURE II ..., ',, '',',,,-,;''.`, • , ''..%' 86 - 50.5 FEET PER .... • ,,', , • . 9 - 8 4 FE T PER ,,' ,,A,- o ' ,.. ..,,. .„„ ., „ .. ._, .... . ...... .,, ,. .., . ..., RANCHO PALOS VERDES. CALIFORNIA RATE OF MOVEMENT FEET PER YEAR _ Z' N 4A '.ir C G C 16-May-84 \ I , pan 1 11-Sep-84 16-May-84 21 : , , 10- , ,,''t ' . ,. -%. 17-Jul-85 141, .aarp i WOO 15-Jaa-86 �t' 9-Jul-86 1 Oct-86 6-Apr-87 .., 1 m -t -0 8-Jul-87 m i I. 4-Nov-874411 CD -0 CD it m .. ,, 7-Mar-88ro > e C) a 4. r. M c z 21-Jan-88 t = > ,'r, ..PP Q '* C)o 0 C z 6-Oct-88OIL O C) 25-Jan-89 ?.r l'5, ,Ii• 0 41e. c z rn t= • 171 11 i,,laiio 'ccti" 90 `"4C 29-Mar-90 . `t9` '6;f.), ,iii- 4 x Z c 1' "��� * ; rn 41,400.0—e#,011/4, z,-.4.<, 4 x 33 rye..: nil 25-Nov-91tkalvtklb ..04 > CR % -4A, :-. 18-Aug-92 r .0 } 30-Aug-93 -.a. ¢ ,r. 10-Oct-94 E • '44,, .,, ! •I'''. 4 "-- w ....... 0 rV. • 441. 0 lit .._ P lie ilet • gym: , . ,iii : . 4°.1.1114*,„4:: i lt- , eirbIll . 1 ' ri ' III 4 ' 4' ' l ger i . ` it 11 g, / * • ww "L „. r �V pa ,Q ..P t,OP A • , � 4 • / ► PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION OW CAN IT BE DONE filo•!:' . rf' ws r y BY OBTAINING THE CONSTRUCTION FUNDING FROM TH PORTS WITHOUT TAX DOLLARS FOR THE ENVIRON . *: RESTORATION BY: � SPECIFYING THAT RESTORATION OF INTERTIDAL A - SUBTIDAL HABITAT AT PORTUGUESE BEND 1 ABA • COVE MEETS FISH AND WILDLIFE SERVICE'S MITIGATION POLICY • DIRECTING THAT THE PORT OF LOS ANGELES CAN THIS ENVIRONMENTAL RESTORATION AS MITIGA17 : .: k CREDIT FOR THE AQUATIC HABITAT LOSSES ASSOCIATED WITH ITS EXPANSION RANCHO PALOS VERDES, CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION } • GABIONS SEVERELY DAMAGED BY STORMS COUPLED WITH HIGH TIDES IN 1991 3; • SINCE 1992 GABIONS NO LONGER EFFECTIVE AS SHORE PROTECTION DUE TO DESTRUCTION BY STORMS (SEE FIGURE III) • SLIDE DEBRIS (MUD AND ROCKS) AGAIN COVER THE SUBTIDAL AREA .. • KELP BEDS HAVE DISAPPEARED • ROCKY SUBTIDAL HABITAT NO LONGER VISIBLE IN RESTORED AREA • BLUFF AREA VOID OF VEGATATION RANCHO PALOS VERDES, CALIFORNIA `to1/46. ' vit.-4"-N w \ ,. , e. 40 '1/41/4 ''' ' ' 1 '''''. r 'w 4r# • . ii 11111140104i N; .41 ,, i - - , . - -....)- • , . w ..,, , -,..,. we 1/4 ill 41, a No• r TE,'%1I'ORARY SHORELINE PROTECTION - cuililin.s, - rl{� Recfo01 tar we erRecta tde and M baskets filled with local rocks from the rred together plonk► the beach to prevent wave erosion of the bluffs for a distance of apprnrimatel, 800 feet PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION = AhCY H R t'3� S C3 E R LAMENT KELP- T 1956 NVI CaC7 • . • . PRE...: �.wM. .. IER KELP-ROCK REEF HABITAT FOR MARIN ORGANISMS • PRISTINE TIDEPOOLS •• CLEAR NEARSHORE WATERS / ABUNDANCE O ROCKY INTERTIDAL HABITAT • • RECREATIONAL DIVING AND FISHING { • COMMERCIAL FISHING trr RANCHO PALOS VERDES CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION ESTORATION - . „ ,. , IVIARINE ENVIRONMENT ,, • 1 .904 ACRES OF PRIME COASTAL WATERS DEVASTATED • 12 ACRES REQUIRED TO CONSTRUCT SHORE PROTECTION x ,892 ACRES OF SANDY AND ROCKY SUBTIDAL AND INTERTIDAL HABITAT RESTORED NATURALLY . , RANCHO PALOS VERDES/ CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION R I. F T 11 VIRONMENTA L • MAINTAIN NATIVE SPECIES HABITAT FOR BOTH FLORA , AND FAUNA LORA ,. • OPPORTUNITY TO ESTABLISH PERMANENT HABITAT FOR KNOWN SENSITIVE SPECIES (i.e., Black Tailed Gnatcatcher) • HUNDREDS OF ACRES OF COASTAL LAND AVAILABLE FOR SENSITIVE SPECIES HABITAT LE. • HUNDREDS OF ACRES OF COASTAL LAND COULD B USED FOR RECREATIONAL PURPOSES ' • ENHANCE THE APPEARANCE OF THE SCARRED LANDSCAPE RANCHO PALOS VERDES, CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION t?' , > :ii P 9 :of ff s, f: .w ° ,k r ✓" ESr1t1 ' ri ) I1 SHORE PROTECTION WILL $41:4 _ f' • ESTABLISH ENDANGERED SPECIES HABITAT PREVENT BLUFF EROSION fm- 55/ f' F` ATE RECREATIONAL ASSETS ii • REDUCE CITY ROADWAY MAINTENANCE EXPENDITURES3, • ELIMINATE BLIGHT., HAZAHDb • RANCHO PALOS VERDES. CALIFORNIA PORTUGUESE BEND / ABALONE COVE 0 ,. ENVIRONMENTAL RESTORATION orrr l Ori 111 MPROVEMENTS , ...:.,„„;...-.2,..-,.-,-,p'.-.:,,,,,,,,, lisaffi' . '11 ' -.1 .- .. A AL ACCESS GUARANTEED Y_:.,,,,,,,.„,„,,,,,,,,#-t,,,' :.. ..:r - I UTE TO LANDSLIDE �,_ STABILIZATION s- — , .:• STREET ACCESS CAN BE MAINTAINE $ SAFELYFORDESIGNEDUSE .�n.: .,,,,,:,: -, ._,:. ao ,,„ t EXISTING UTILITIES MAINTAINED ,;' ,'.. .:_. XISTING .1.1fAiAlsia),:40,41".-.AN, - . . RANCHO PALOS VERDES, CALIFORNIA „w• t • x` 4 ayc t ,]...'„:1114A . ” y' ..,. q S. k w . s *"""101111111110.11100.1111,1116 k .k k ~ '1,14,,gy�y�I' _ k ^�IM*eye , • • '0. t b MAT p Y ' , df� -: - � e ;42r a wi oimiii„147 _ `il. , ri `Vy�y f «, a Yr� we *maw* .. t fes .... .r - 41111111k i 1,4 44 1 t '441111114. lit ". t..:�h„ ~.40 FIA'- y- mil 1 i ti 111 1 '""Alli•4lithi ' Z. Y • ., .,....0.x s r d yr Yl, ,�,r J w+' PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION PO ARS SHORE _ F ; -- 10 \ � S FIRST INSTALLED IN l988(See Figure 4 • HIGHLY EFFECTIVE IN PREVENTING BLUFF EROSION • NATIVE VEGETATION IS REESTABLISHED ON SLOPES • EXISTING INTERTIDAL MUD AND SLIDE DEBRIS ARE WASHED AW BY CURRENTS • GABIONS HIGHLY EFFECTIVE FUR CLEARING NEAR SHORE WATERS • CLEAR WATERS RETURN TO AREA IN FRONT OF GABIONS • KELP BEDS REAPPEAR • ROCKY INTERTIDAL HABITAT BEGAN TO REAPPEAR RANCHO PALOS VERDES, CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION 4400 4,, � H REDISTRIBUTIOL ,,,...,, SOIL ON THE SLIDE PLANE CREATES FORCES THAT CAUSE MOVEMENT . - . .. • MOVE EARTH FROM AREAS THAT CREATE I: ' MNG FORCES • MOVE EARTH TO AREAS THAT CREATE'' ..,.cTI,NG FOR.E..S.. . ..... ..... ... . . . _ P �_ RANCHO PALOS VERDES, CALIFORNIA _ti M Ilipir • - ,..4 . 1/10644., . ? ",..,,,.,-- ' ' imuirre, iriow. « r :.. ..1,.,.:4 , A:.0:,4,:a, . V _' .r •_a3 :., :L. _ „, ft:,,,,,,,, iii.......,,,,.. .. . ~ n w_101,. ,;iw .1S0 Y w w. s " km, k 4" . se 44 i. 414 4 /" ,.. 41) Ilk * 414, -i�' ' • '1...... :. ' ' - %47:..' I--+ .�I • • w 1.*Piit 14 ., r''''. 1'::::: 1,,C;-,....'.:', PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION � . CE DRAINAGES } • ALL CANYON DRAINAGE PRIOR TO 19 FLOWED DIRECTLY INTO THE GROUNDWAtER SYSTEM VIA FISSURES • DRAINAGE SYSTEM REESTABLISHED IN 1986-87 • GROUNDWATER SYSTEM IS NOT BEING RECHARGED BY CANYON RUNOFF RANCHO PALOS VERDES, CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION EwATERING WELL 4k , , _ • GROUNDWATER IS PUMPED OUT OF THE SLIDE AND PIPED TO THE OCEAN • EFFECT ON RATE OF MOVEMENT ON UPLAND THIRD OF SLIDE IS DRAMATIC - MASS IS STOPPED AFTER 30 YEARS OF MOVEMENT • 18 WELLS IN OPERATION • " ATE OF REMOVAL OF GROUNDWATER IS SLOW RANCHO PALOS VERDES, CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION • HAS BEEN ACCOMPLISHEDWITH : . ...... WATERING WELLS • 3 � URFACE DRAINAGE • Y S'. A DSLIDE MASS REDISTRIBUTION� �o • SHORE R TECTIOI - 'TEMPORARY RANCHO PALOS VERDES, CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION Illi PA:.,.,.::.. R ��t� ISC)N OF THE RESTORATiON F� THE R INTERTIDAL HABITA '.. fR 1.; • CLEANUP OF THE EXXON VALDEZ DISASTER EXCEEDS $2 BILLION • RESTORATION OF THE PORTUGUESE BEND ROCKY INTERTIDAL HABITAT IS ESTIMATED AT $20 MILLION • *Source of the cost for the Exxon Valdez oil spill is: "Out of the Channel" by Keeble RANCHO PALOS VERDES, CALIFORNIA PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION ENVIRONMENTAL LUS ` ` 'OVER 800 SPECIES OF ORIGINAL SAND ' AND ROCKY INTERTIDAL AND SUBTID A '": HABITAT DISPLACED BY 50 SPECIES s ' , MUD INHABITANTS • HABITAT REPLACEMENT EXCEEDS $157 MILLI �' ' BASED UPON MITIGATION VALUE • ORGANISM REPLACEMENT EXCEEDS $4 BILL! BASED UPON PUBLISHED REPLACEMENT COS STUDY RANCHO PALOS VERDES CALIFORNIA li Ate. 44i,' w • If ' 0'1' ' ° ti ',r _;. -rte 4 «,, il,..1*.ov. • a *it Al i :, ... ore ��WT f w i. .. .„ •r .. f+* gs4: .mow"' +v -, '� [ .x 4M ..r .._ a ' may. PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION SHORE • PRC�TE�TIC3N P' ERMANE N GABIONS PROVIDED PROOF THAT: • A WILDLIFE HABITAT FOR SENSITIVE SPECIES COULD BE PERMANENTLY DEVELOPED ON LAND IN THE COASTAL ZONE Se • 1 ,892 ACRES OF PRIME COASTAL WATERS WOULD BE RESTORED NATURALLY • THE PREMIER KELP-ROCK REEF HABITAT WOULD RE-ESTABLISH NATURALLY `1hs • THE PRISTINE SUBTIDAL AND INTERTIDAL ENVIRONMENT COULD BE ENJOYED ONCE AGAIN RANCHO PALOS VERDES, CALIFORNIA a ' fp., i ;'4 t. '' t 'VI' h l-4. is r 4 4 ' :* L ''',474111.411—*1 M • d • fix, n A u...».. ro 4 RATE OF MOVEMENT FEET PER YEAR it., w a w & S a c b = b b b b mak", 16-MAY-84 N 11-SEP-84 or ii - " ' 'Ill "411w ••;;.::---- _, ,v.J.,,,,,4":,.-411! „,c\ ; ,.,• I _ 9- 16-JAN--ssi , . , 17 JUL 85 41111 , 15 JAN 86 i 9 JUN 86 i 011111111111111... { 1 OCT 86 , , 25 JAN 87 y'4,� 4 did a 1st 6 APR 87 0`4 �'9� 111 ..-. � 8JUL87 ‘).• `�� r^'� Q • �`� 11111' "- IN °: 4 NOV 87 -., 41 M:: 7MAR88Z-' -411110.4 21 JUN 88 `� 0 11 6 OCT 88 �'G,Q�fi s ` S0 .c� 25 JAN 89 , `�'�i •r't. �� z 26 JUN 89 'e00 it ,k 29 MAR 90 �s °.4• -4 ,' In IL . 91 A 25 NOV 91 4 A+444 g -- 18 AUG 92 " 4,1. ,, .1111111S1 eNtir. 1,a.•-,--,i,? 30 AUG 93 .... .. ' . 4. 10OCT94 PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION • UBTIDAL L vp, n E k3i414ia#,a_.a.&a.' • OVER 60% OF THE ROCKY AND SANDY INTERTIDA ' HABITAT DESTROYED • OVER 10 MILLION TONS OF MUD AND SLiDE FILL TIDEPOOLS AND COVER THE AREA h^i n gg '4-1' O RECREATIONAL DIVING AND FISHING ADJACEN TO PORTUGUESE BEND/ABALONE COVE LANDSLIDES• • • NO COMMERCIAL FISHING RANCHO PALOS VERDES, CALIFORNIA ANDSLIDE ABATEMENT STATU PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION • CENTER OF LANDSLIDE " _ • • RATE OF MOVEMENT (See FIGURE II) •86 - 45.6 FEET PER YEAR 88 - 1 . 1 FEET PER YEA ` . • - 2.92 FEET PER YE RANCHO gas VEAOEs. CALIFORNIA RATE OF MOVEMENT FEET PER YEAR N 'Ji J F 16-May-84 11-Sep-84 / - ,. ..... -. _ . ilb JRI 16-Jan-85 ' 0 17-Jul-85 15-,Jan-86 IIIIIIIIIIIIIIIII 9-Jun-86 I IU) fir; 1-Oct-86 . - - ., k ,,,:. 1:. 25-Jan-87 i 7?� � a' 6-Apr-87 �0 £. 8-Jul 87 m Qa b 4-Nov-87 30 m ��O`i.D� 7-Mar-88 a ;7 ,_•a Fr C3 21-Jun-88 G Z . 6 ; rim 6-Oct-88 .5.fan89 Q 26-Jun-89 ' aaw . 0 III 1-41914 z 2.'1 11:3 ! 29-Mar-90 _di' .• C ,7" 4.1'4, fit s' 33 paint i COS1 25-Nov-91 'D "'f --,--:4:::?' 41.0 18-Aug-92 •B � 0 'i"'"". P 30-Aug-9 .. vellEati C 5 lvi lei ,:7-.---Z • -„,...1- 23-Mar-94 ,,z23-Mar-94 �` PORTUGUESE BEND I ABALONE COVE ENVIRONMENTAL RESTORATION •4 il I'. � STATU NDSLIDE ABATEMENT , 4 .. ,.,a ,.. z ,,. _,..„.„....;,..... .. � ,y,� INLAND tr syi "� .,, , ..,. .. ,,yy�roy . t; FYI ,>. • (UPPER ONE THIRD OF LANDSLIDE) ! ,, , _ ' TE OF MOVEMENT (See FIGURA; I ; sr�z '''': 984 — 11 .2 FEET PER YEAR ' :-'-',:-::.------ . y` - 0.33 ,. . , .. ....,.........„. . , ..., x r ., ,'i, u4 , ., ,,_. .� riy :.. .'W m v i p ¢ .+*. r iA 4 F+ M a .' er�* 14ilit* iY' 7.. .t S . .. ', .. RANCHO PALOS VERDES, CALIFORNIA &r1 g 3 3 IP : '-, '' ' ^. ,tA " �► ty t ` t #' *''ate ycir i` r Y 1 `, Ij/ • rA_ Ill t {P * ice' ' a i b s` t!• +$a • �y - i i 1 a k its.'' A -$, ', jçiii ""V y4. . . ..... . r W' ¢ fX t . .4. - .7.'''..* - '4-., .' 'ta.--. f hilif'`.'404 1014, i ' -Ili `� ,- .w • -. %,910 . . - .. . •„- _ if.; is, - i' -t• . try !_ •..,. .. ......,_ . _.• „ .,,-...„0;.,.,,,, . - ,. • • . _ 0 i;0 • ,.,,,- ,.,,,,.,,-;,..,--ir, ,,,..lar— ' li'...*,,,,, — .1, 4 1 . L:el'-, , . irt ' y .sr PORTUGUESE BEND / ABALONE COVE ENVIRONMENTAL RESTORATION • ESTOR�►T! C)N INCLUDES : ROCKY AND SANDY INTERTIDAL AND SUBTIDAL HABITAT • KELP—ROCK REEF HABITAT 4 Ott • LOCAL COASTAL FISH AND WILDLIFE HABITAT ' PERMANENT COASTAL SAGE SCRUB HABITAT x9, ' _ $ a2y a i LS . RANCHO PALOS VERDES. CALIFORNIA rap i . 444•4 e 11114 • *conc.. .46 vi �„ lb .. R t of • • i• J. 0,• 1001 44 4 . 1 )44 • 'Iv- f4 4 i o ♦'4'01 1. ` 1. ) II.k i 5. ),*, , i ,.. • t + / 1 . ,° day ..J .? . L • ♦♦ ' ' 4 i 4. • r c i icirk dt r # 1 t M