BAXTER MARINE RESEARCH COMMI’lTEE AND <strong>CalCOFI</strong><strong>CalCOFI</strong> Rep., <strong>Vol</strong>. XXIII, <strong>1982</strong>the research organizations over some tough financialtimes in the early years. In the later years, MRCserved as a rather small tail wagging a rather largedog, which the <strong>CalCOFI</strong> program has become.Also, this influential group of men, particularly theindustry representatives, played a large part in encouragingthe University of <strong>California</strong> to fund SI0 forits <strong>CalCOFI</strong> part of the program. MRC memberscould talk to the president of the University of <strong>California</strong>,and also they played a large part in the foundingof the Institute of Marine Resources (IMR). Whereasin 1949-50, MRC funding was $97,500, the threemajor agencies by that time were expending about$600,000 a year on the cooperative sardine fisheryinvestigation. Ten years later, in July of 1960, MRCwas supplying about $60,000 to Scripps, Fish andGame, and BCF, and their budgets for the programtotaled $950,000. As pointed out earlier, the <strong>CalCOFI</strong>program is today about $4,000,000 per year.Through the forties and fifties, the major differencesamong scientists working on sardines hinderedthe implementation of management measures. AlthoughI don’t pretend to understand the total picture,the basic difference between BCF and DFG scientistswas that BCF held that year-class size was independentof spawning-stock size. This basic disagreementwas later softened when different leadership, uponfurther examination of the data, reached a decisionmore compatible with the DFG’s views.The matter was finally put to rest by Garth Murphyin his 1966 thesis on sardine population biology. Hestated: “Thus, the long series of poor year classes(1949-1963) at small stock sizes in the face of varyingoceanic climate suggests that Marr’s conclusion thatyear-class size is independent of stock size is untenable.” Further, “it seems clear that the population wasoverfished in an economic sense, and overfished in thebiological sense, too, in that the heavy mortality inducedby the fishery removed the ‘cushion’ againstpoor spawning success provided by older fish. ”The net effect of this disagreement between majoragencies over the relation of spawning-stock size andyear-class size, in my view, continued overfishing ofsardines until they were driven to the critically lowpoint where the population is today. The first legislationrestricting the size of the sardine catch was passedin 1969. MRC at last passed a motion recommending acomplete moratorium on the take of sardines at theirSeptember 1967 meeting. This legislation wasstrengthened in 1974 by further restricting the uses ofincidentally caught sardines.Now, back to the beginnings. On May 19, 1948, theMRC met in La Jolla. At that time, Robert C. Millerwas chairman of the Technical Committee (he is theone Dick Croker referred to as having a very large partin holding this thing together in the early years). Boboutlined the following lines of research to be pursuedby the then <strong>California</strong> <strong>Cooperative</strong> Sardine ResearchProgram: (1) physical-chemical conditions in the sea;(2) organic productivity of the sea; (3) spawning survivaland recruitment of sardines; (4) availability ofthe stock to fishermen, that is, the behavior of the fishas it affects catch, abundance, distribution, and migration;(5) fishing methods in relation to availability;and (6) dynamics of the sardine population andfishery.This forerunner of the later <strong>CalCOFI</strong> program wasmade up of representatives from SIO, CAS, BCF, andDFG. The <strong>California</strong> <strong>Cooperative</strong> Sardine ResearchProgram was renamed the <strong>California</strong> <strong>Cooperative</strong><strong>Oceanic</strong> Fisheries Investigations (<strong>CalCOFI</strong>) in June of1953 to recognize the expansion of the sardine programto include work on other species. In 1952, theHopkins Marine Station of Stanford University (HMS)joined the program. In 1965 or ’66, San Diego StateCollege was included. In 1974, HMS dropped out ofthe MRC part of the program, and its work in MontereyBay was taken over by Moss Landing MarineLaboratories. From 1974 through 1977, MRC fundedphytoplankton studies by UC Santa Cruz in MontereyBay. These, then, have been the agencies that benefitedfrom MRC’s funds over the years.Informal cooperative scientific studies between<strong>CalCOFI</strong> and Mexican scientists were begun in the fallof 1971 and continue to this day.Much of the future course of <strong>CalCOFI</strong> was determinedin the late 1950s. At the May 3, 1957, MRCmeeting a special technical committee was appointedby the chairman to examine the objectives of Cal-COFI, to define the problems involved in attainingthese objectives, to assess progress on the solution ofproblems, and to assign priorities to the remainingproblems. This committee was affectionately knownas the Three John Committee and was made up of JohnIsaacs of SIO, John Marr of BCF, and John Radovichof DFG. Elton Sette was named as an independentscientist to serve as special advisor to the chairman ofMRC and to attend all meetings of the special technicalcommittee to offer his advice and commentswhenever he considered it necessary to expediteprogress or agreement. Jack Marr was the chairman ofthis committee.At the December meeting of MRC, the specialtechnical committee presented its report, which notedthat the research program of <strong>CalCOFI</strong>, conducted bythe five agencies under MRC, had made real contributionstoward understanding the fisheries but lackedeffective coordination. To remedy these shortcom-36
BAXTER: MARINE RESEARCH COMMITTEE AND <strong>CalCOFI</strong><strong>CalCOFI</strong> Rep., <strong>Vol</strong>. XXIII, <strong>1982</strong>ings, the committee recommended that control of theprogram be vested in a four-person committee. Therewould be one member each from DFG, from BCF,and from SIO. Each committee member would be theperson actively directing his agency’s share of the<strong>CalCOFI</strong> program. The fourth member and chairmanwould be a full-time scientific advisor hired by theMRC for this purpose. MRC and the three majoragencies endorsed the plan, and thus was born the<strong>CalCOFI</strong> Committee.The high priorities proposed by the Three JohnCommittee were (1) to further describe and investigatethe causes of the sardine’s catastrophic decline; (2) todetermine the population subgroups and their rate ofintermixing; (3) to further study the dynamics to determinethe vital statistics of the sardine population;that is, to derive an independent measure of recruitmentand appraise the best methods for determiningthe size of the spawning stock to a degree of accuracyconsistent with other associated measures; and (4) tocomplete descriptive oceanographic studies of thegeneral circulation and of seasonal and other changes.An early objective of the <strong>California</strong> <strong>Cooperative</strong>Sardine Investigation, the forerunner of <strong>CalCOFI</strong>, wasto seek out the underlying principles that governed thePacific sardine’s behavior, availability, and totalabundance. By 1960 the <strong>CalCOFI</strong> Committee formulatedslightly different objectives: to acquire knowledgeand understanding of the factors governing theabundance, distribution, and variation of the pelagicmarine fishes, emphasizing the oceanographic andbiological factors affecting the sardine and its ecologicalassociates in the <strong>California</strong> Current system. Theultimate aim of the investigation was to obtain an understandingsufficient to predict, thus permitting efficientuse of the species and perhaps manipulation ofthe population. These restated objectives formalizedsome aspects of the research that had long been recognized:(1) that no pelagic fish such as the sardine canbe studied in nature as a creature isolated from itsnatural associates, (2) that such research is ultimatelyresponsible to the needs of society, and (3) that theultimate goal of this responsibility is attaining sufficientunderstanding to guide society in using the resource.Quite a change from earlier objectives.After a year of search, Garth Murphy was selectedas coordinator in November 1958. His chief responsibilitieswere to coordinate the agency programsthrough the <strong>CalCOFI</strong> Committee and to look into thesardine problem. His studies on sardine populationdynamics culminated in a 1965 Ph.D. dissertation entitled‘‘Population Biology of the Pacific Sardine(Sardinops caerulea). ” This study showed that themaximum sustainable yield of the pre- 1949 sardinepopulation was 471,000 tons for a spawning populationsize of about 1,000,000 tons. During this periodthe catch averaged 570,000 tons. In addition, theheavy fishing left too few older individuals to cushionthe population against reproductive failure. Themaximum sustainable yield of the 1960s populationwas 57,000 tons for a population of 178,000 tons.During his work with <strong>CalCOFI</strong>, Murphy receiveddata indicating that the rise of the anchovy was apparentlyin response to an environmental void created bythe decline of the sardine. Murphy states, “If this isso, the validity of a sustainable yield of sardines canbe questioned, for the reduced sardine population requiredto generate the yield would also release resourcesto the anchovies. The subsequent increase ofthe anchovy would surely alter the parameters of thesardine population in such a way as to reduce themaximum sustainable yield. As a converse, the presentsituation is not likely to alter rapidly, even if sardinefishing is stopped, unless man or nature acts toreduce the anchovy population somewhat. It appearsthat judicious use of all ecologically similar specieswithin the trophic level offers the only hope of sustainedyield. ’ ’As a result of Murphy’s work, and that of manyothers in <strong>CalCOFI</strong>’s other agencies, the <strong>CalCOFI</strong>Committee proposed the famous anchovy experimentin March of 1964. At that time, the <strong>CalCOFI</strong> Committeewas made up of Garth Murphy, coordinator;John Isaacs from SIO; E.H. Ahlstrom from BCF, whoreplaced Marr in 1959; and Baxter, from DFG, whoreplaced Radovich in 1963.This proposal was developed considering the followingthree factors: (1) the basis for the suggestedexperiment, although the most complete everachieved, still is not precise enough to foresee exactlyhow many anchovies and sardines should ultimatelybe taken; (2) a careful stepwise approach, such as wasused in South Africa, is the only defensible experiment;and (3) there are time lags in response of sardineand anchovy populations to new factors. Their lifehistories suggest that at least three years would berequired for population responses to be detected, evenin a regime of favorable environment, and there arealso time lags in scientific analysis, especially whendealing with new problems. Thus it is necessary tocarry out measurements that can follow events closelyand that will yield results that are readily interpreted.With these three factors in mind, the approach wasdivided into three phases. The <strong>CalCOFI</strong> Committeebelieved three years was the minimum for each phase.In phase I, the objective was to initiate a conservativefishery on anchovies and reduce sardine fishing justenough to produce an observable change in the system37
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130' 125. I200 I 15' 11001 I I I 1