!* . I , 1.4(- ', v"-'t o, o S o SIIELLFISH INVESTIGATION SIIETTFISH INVESTIGATION Information Report Infornation Report 72-1 72-l o S Razor Clam The 1970 1970 Razor Clan Fishery S o by by S o Tory Link Terry Link Darrell Demory Denory o Fish Oregon Fish Commission Cormission of Oregon Itanagenentand Management andResearch Research Division Division S o n o January 1973 1973 o Il * |} 4 o FisherY Clan Pishery RaaorClam l9?0 Razor The The 1970 II'TfNODUCUON INTRODUcTION o Marchthrough fron March through saryled from wsre sampled dlggers were Clams dug razor clam clan diggers by razor dug by Clans $eptenber. Septem1jer. randomly according accotdlng watreselected solscted randomly and area aroe were The day and Tlre sampling saryllng day statlstlcian, our statistician. by our suggostedby nethod suggested to to aa method o dlgger of clam clan digger nu$er of The The number personal for the the personal nere noted noted for clans were the clams ago of of the trips and age the number nunber and trips and and the fisherles, comercial fisheries. use and and commercial use of south of boachessouth Several razor razor clam clam beaches Several periodlcally' clans periodically. for clams chocked for Tillamook were checked Courty, were Tillanook Head, Head, Clatsop Clatsop County, o US8 PERSONAT PERSONAL USE }IARVEST HARVEST nunber the number and the claus and porsonal use use harvest Table harvest of of razor razor clams the personal Table 1I shows showsthe o I. poor and poor 3each' Rough Roughsurf surf and aroa for for Clatsop clatsoP 3each. by area of clam of trips by dtgget trips clau digger catch. of the the catch. contlnued decline to Ia continued weather conditions decline of contributed to lreather conditions contributed tho while the 5.4t while decllned 5.4% trlps declined dtgger trips of digger ntnbor of Compared to 1969 1969the the number Conparedto popular on the the popular Digging pressure on Digging pressure t6t. doclined 16%. number of clams clanrsdug dug declined nrmbor of 32.41. Beachdeclined doclined 32.4%. Seaside SeesldeBeach l" Table Table 1. Area Area by Area clams by Razor Clams Personal uge Use Harvest Harvest of of Razor Personal gs 1i1esof Beach Beach No. ofClams/ Diggers Dicsers Diggers No. Clams DuZ No. l$agted Wasted Total Tota 14 14 36,700 36,700 13.1 1 3 r. 481,0oo 481,000 80,000 80,000 56l r0o0 561,000 4ful ,/ 2 2 3 ,5 00 3,500 12.9 t2.9 45,000 45,000 8,000 8,000 53,000 53,000 sy/ 2 2 1 5 ,9 00 15,900 l11.9 l.9 189,000 l89r 00o 37,000 37,000 226,AoA 226,000 t8 18 56,100 S6,lOO t2.7 12.7 715,000 7l5, ooo t-3 J// 1-3 4 S TOTAT TOTAL y/ tuaeh) Road,. (North fiorth Beach) Gearhst Road. Riuer to Gearhart Columbia Colttnbia River U/ River. Neeuttc'tttttftiuer' *o Necaniown Road to Gearluwt Gauhst Road y/ Eed, Tillamook Head. Necanictun River to titlorook Neood.an ftisser (Geuhart) (Gearhart) (Seaside) BeaaidB) l25,oo0 125,000 840,000 840,000 o I. o ... 2. 2. 1965-70is ls shown Figure 1. for 1965-70 sholtnin ln Figure l. The percentsge percentage age lte age composition cmporltlon for o the fishery. flshcry. nalngtay of of the the mainstay One-year-old $1s-yger-old clams ar€ still stlll the clans are Ttrorelatively relatlvely The the presonce strong of ae strong presence of Ofs in in the high percentago percentage of of 0's the catch catch lndlcate indicate the htgh 2 t wasted with 125,000 eoubinedwith 1251000wasted of, 0's Ors combined However, the catch catch of c1a$9. Howover, year )teer class. o problen still the exlsts in of the ln spite splte of still exists clams, utlllzatim problem clans, indicates lndlcates that that aI utilization July l5-August 31 3l closure. clogure. July 15-August the utilization utlllzation closur6, the wlthout the the closure, However, Horvover,without worse. problon would have nuch worse. hsve been beon much problem would o FISHERY COQ4ERCIAL FISHERY C$E,IERCIAI 'N. oEi clans wag The 1970 of 611000 61,000 clams was thc the lotrest lowest in in the the catclr of 1970 commercial commetclal catch Tlre past. 27 years. 27 years. past o S pornds per per landing by only only declined by landlng declined of pounds The average number of The everage nrmber The from 185 185 to to 79. 79. The droppodfrom issuod dropped of licenses llconseg issued 2.5 pounds, pounds, but the number of the nrmbor 2,5 prlco remeinedhtgh; price of high; up up to to $2.20/lb for for cleanod cleaned of clams dlgger remained clans to the tho digger o U and $0.65/lb the shell. shell. cl.ans in the clams and $0.65/fb in SURVEYS CLAM CLAI'ISURVEYS pernitted. as time tine permitted. r+erechecked chockedas Hesdwere Six Tillsepok Head Stx beaches of Tillamook beach€ssouth $outh of :, 'i,r' o pertlnant catch catch data. data. andpertinent Table .2'llsts 2lists the Tablo the beaches beechesand .fi. Beaclr, Myers Creek Beach, itysrs Creek gtl bsecheg.,r, productive of the southern sout{rernbeaches. of the nost productive res the miles south Gold Beach, tfie most of Gold Beach, was 8 uiles south of o Table 2. Table 2. 1970 Beaches'1970 from Southern $outhern Beaches, Razor Clarn Clam Cateh Catch Data Razor Data from No. of ol No., of, of No. Clams/ Glamg Digger Clams C,lqPs.Dlsser Area Diggers Area $ampled Sampled ,.DlpgeTs o o o - Age Composition in Percentag 5 I 1 2 F 3 - 35- -44 0 0.-, 1 7 . 5 16.0 1 6 , 0 24.5 24,5 42.0 4 2 . A 17.5 Indian Indian Beach Beaetr 60 60 424 424 7. L 7.1 Beach Cannon CannonBeach 24 z4 256 256 10.7 10.7 Boach Cove Cove Beach 55 55 497 497 9.0 9.0 Agate Beach Agate Beech 24 24 57 57 2 .4 2.4 South Beach Beach South 2 2 l5 15 7.5 7.S 9.9 9.9 .4 0.4 15.9 0 4 5 . 2 13.9 2 0 , 3 45.2 1 0 . 3 20.3 10.3 ltyers iyers Creek Croek 24 24 382 382 15.9 15.9 1.0 1.0 2 3 . 6 23.3 2 3 . 3 22.3 22,3 2 2 . 8 23.6 22.8 51.7 5 1 . 7 38.9 38.9 9.4 9,4 25.3 3 A . 7 25.3 3 9 . 6 30.7 39.6 3.4 3.4 1;O l.'0 NO NO DATA DATA CORVALLIS COHVALLIS UNIVERSITY, OflEGON STATE uNIVERSiTY, REGON STATE O 7,0 7.0 lo S P 3. 60 60 1965 40 40 20 20 o ________ 0 1 I t 1966 60 60 . o 40 40 20 2A - 0 o 0.6 1 0.1 1967 60 60 4A 40 o n o 0 bo br q, ,lJ g 0 o iJ U 20 'o 0.1 h A 0.1 $5. C} 0 o 1968 60 60 40 40 20 2a [1 o 0" F- -tl i 1969 60 60 o 40 40 20 20 0 o TI 0.7 1970 60 60 40 40 t 20 20 0 ________ 0 Figuro 1. Figure l. F 1 0.4 J 2 3 0.1 4 Age Age PersonalUse Percentage RazorClams Percentage Ago of Personal Age Composition UsoRazor Corposition of Clans 1965-70 From Clatsop Beach, Beach,1965-70 FromClatrop / o [] / o / O o CENTER TO CENTER RETuRN INFORMAflON o "$i$Fi*"." *i.i."&{itt*' :ASE SCIENCE OREGON ASTAL ARINE PORt 8Q361-3ot ..t*"' o o o o o