Southern blue whiting (Micromesistius australis) fishery assessment for the 1995-96 fishing year (Record no. 145848)

MARC details
000 -LEADER
fixed length control field 03545cam a2200349 4500
001 - CONTROL NUMBER
control field 318189
003 - CONTROL NUMBER IDENTIFIER
control field nz
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20220525064156.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 980118s1995 NZ t u001 0ENG d
024 ## - OTHER STANDARD IDENTIFIER
Standard number or code OI9500317
035 ## - SYSTEM CONTROL NUMBER
System control number (Sirsi) 318189
100 1# - MAIN ENTRY--PERSONAL NAME
Personal name Hanchet, S.M.
245 10 - TITLE STATEMENT
Title Southern blue whiting (Micromesistius australis) fishery assessment for the 1995-96 fishing year
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc Wellington :
Name of publisher, distributor, etc NIWA,
Date of publication, distribution, etc 1995
300 ## - PHYSICAL DESCRIPTION
Extent 24 p.
490 0# - SERIES STATEMENT
Series statement New Zealand fisheries assessment research document ;
Volume number/sequential designation 95/20
500 ## - GENERAL NOTE
General note 15 refs; 14 tables; 10 figs.- Not to be cited without permission of the author(s)
505 1# - FORMATTED CONTENTS NOTE
Formatted contents note This paper reviews the stock assessment of southern blue whiting (SBW) resources in New Zealand waters. A summary of the recent fishing season is presented and the results of research carried out over the past year are outlined. For the Campbell Island stock, catch-at-age data from 1979 to 1994, CPUE data from 1986 to 1994, and acoustic estimates of adult biomass from 1993 to 1994 were fitted using the separable Sequential Population Analysis used in last year's assessment. Estimates of mid-season spawning stock biomass declined from 1979 to 1993, but increased sharply in 1994. This increase was due to the recruitment of the very strong 1991 year class to the fishery. CAY (F/ sub 0.1/ yield) was estimated for 1994-95 by projecting forward 1995 beginning of year numbers at age from the model, assuming recruitment at age 2 equalled the geometric mean of recruitment over the period 1979 to 1992. Similarly, CAY for 1995-96 was estimated assuming the 1994-95 catch equalled (i) CAY/sub 1994-95/ or (ii) 11 000 t. CAY/sub 1994-95/ equalled 44 000 t (90% CI 33 000-60 000 t). CAY/sub 1995-96/ equalled 39 000 t (90% CI 30 000-52 000 t) under assumption (i), and 50 000 t (90% CI 38 000-67 000 t) under assumption (ii). MSY was estimated by multiplying the yield per recruit at F/sub max/ by the arithmetic mean of recruitment over the period 1979 to 1992, and equalled 12 700 t. Estimates of current biomass for the Bounty Platform and Pukaki Rise stocks were derived from the results of the acoustic surveys. Adult biomass estimates from surveys in 1993 and 1994, together with the estimated recruitment (also from those surveys), were projected forward to 1995 assuming changes in the population from natural mortality were exactly balanced by growth. The projection was carried forward to 1996 using the estimated recruitments from the surveys, making the same assumptions about M and growth, and assuming the 1994-95 catch equalled (i) CAY/sub 1994-95/ and (ii) the current (1993-94) catch limit. Estimates of CAY/sub 1994-95/ on Bounty Platform ranged from 22 000 to 30 000 t and CAY/sub 1995-96/ ranged from 15 000 to 25 000 t. Estimates of CAY/sub 1994-95/ on Pukaki Rise ranged from 12 000 to 22 000 t. and CAY/sub 1995-96/ ranged from 8 000 to 20 000 t. (auths)
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element SOUTHERN BLUE WHITING
9 (RLIN) 15801
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element NEW ZEALAND
9 (RLIN) 39580
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element FISHERY RESOURCES
9 (RLIN) 10056
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element CAMPBELL ISLAND
9 (RLIN) 5415
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element BIOMASS
9 (RLIN) 948
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element BOUNTY PLATFORM
9 (RLIN) 5510
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element PUKAKI RISE
9 (RLIN) 20066
650 #4 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element STOCK ASSESSMENT
9 (RLIN) 13242
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Ingerson, J.K.V.
710 2# - ADDED ENTRY--CORPORATE NAME
Corporate name or jurisdiction name as entry element NIWA Wellington (N.Z.)
9 (RLIN) 38310
773 0# - HOST ITEM ENTRY
Host Biblionumber 196097
Host Itemnumber 386954
Place, publisher, and date of publication [Wellington, N.Z.] : [Ministry of Fisheries], [198?]-1999.
Other item identifier J09944
Title New Zealand fisheries assessment research document.
Record control number 8683
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="http://webcat.niwa.co.nz/documents/95_20_FARD.pdf">http://webcat.niwa.co.nz/documents/95_20_FARD.pdf</a>
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type ABSTRACT
Koha issues (borrowed), all copies 0
Source of classification or shelving scheme Universal Decimal Classification

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