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| 02189cam 2200373zi 4500 |
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| 001 | 9.875003 |
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| 003 | CaOODSP |
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| 005 | 20221107164338 |
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| 006 | m go d f |
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| 007 | cr ||||||||||| |
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| 008 | 190617s1981 nsca o f000 0 eng d |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 041 | |aeng|bfre |
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| 043 | |an-cnm-- |
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| 086 | 1 |aFs70-8/81-18E-PDF |
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| 100 | 1 |aMaguire, Jean-Jacques, |d1953- |
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| 245 | 10|aNorthwest Atlantic mackerel stock assessment - 1981 / |cby J.J. Maguire. |
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| 264 | 1|aDartmouth, Nova Scotia : |bBedford Institute of Oceanography, Marine Fish Division, Department of Fisheries & Oceans,|c[1981] |
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| 300 | |a1 online resource (22 pages) : |billustrations. |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 490 | 1 |aCAFSAC research document ; |v81/18 |
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| 500 | |aDigitized edition from print [produced by Department of Fisheries and Oceans]. |
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| 500 | |a"Not to be cited without permission of author." |
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| 504 | |aIncludes bibliographical references. |
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| 520 | 3 |a"An index of effort calculated from the USA commercial catch rate was used to fine tune ages 6-7-8 fishing mortalities. A 1980 F = 0.066 was considered to best represent the ages 6 and older stock status. partial recruitment on age 2 was adjusted to obtain a 1978 year-class size at age 1 of 2 billion fish while P.R. on ages 1, 3, 4, and 5 were adjusted to obtain year-class size at age 1 of approximately the smallest size observed. Various Y/R calculations and projections were made. These indicated that a 1982 catch of 115,000 mt would not adversely affect the stock status."--Abstract. |
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| 546 | |aIncludes abstract in French. |
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| 692 | 07|2gccst|aSalt water fish |
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| 692 | 07|2gccst|aSurveys |
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| 710 | 1 |aCanada. |bDepartment of Fisheries and Oceans. |bScotia-Fundy Region. |bMarine Fish Division. |
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| 710 | 2 |aBedford Institute of Oceanography. |
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| 830 | #0|aCAFSAC research document (Canadian Atlantic Fisheries Scientific Advisory Committee)|v81/18|w(CaOODSP)9.869616 |
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| 856 | 40|qPDF|s1.12 MB|uhttps://publications.gc.ca/collections/collection_2019/mpo-dfo/Fs70-8-81-18-eng.pdf |
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