In situ measurements of orange roughy (Hoplostethus atlanticus) target strength-Reference-Cited by-同舟云学术

In situ measurements of orange roughy (Hoplostethus atlanticus) target strength

Published:2007-06-27 Issue:6 Volume:64 Page:1220-1234
ISSN:1095-9289
Container-title:ICES Journal of Marine Science
language:en
Short-container-title:

Author:

Coombs Roger F.¹,Barr Richard²

Affiliation:

1. Innovative Solutions Limited, PO Box 22-235, Wellington, New Zealand

2. Blue Mountains Road, Whitemans Valley, Upper Hutt, New Zealand

Abstract

Abstract Coombs, R. F., and Barr, R. 2007. In situ measurements of orange roughy (Hoplostethus atlanticus) target strength. – ICES Journal of Marine Science, 64: 1220–1234. Orange roughy (Hoplostethus atlanticus) support one of New Zealand's most valuable commercial fisheries, and its assessment poses many problems. Acoustic estimation using echo integration has become one of the main sources of biomass information, and for this an estimate of orange roughy target strength (TS) is needed. Its schooling characteristics together with patterns in the rate of change of phase vs. TS plots are used to identify ensembles of orange roughy targets from in situ TS data collected from a wide range of fishing areas off eastern New Zealand. The results suggest a TS of −49.3 dB for an orange roughy of 35 cm standard length.

Publisher

Oxford University Press (OUP)

Subject

Ecology,Aquatic Science,Ecology, Evolution, Behavior and Systematics,Oceanography

Link

http://academic.oup.com/icesjms/article-pdf/64/6/1220/29152203/fsm084.pdf

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