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A baited underwater video system for the determination of relative density of carnivorous reef fish

Research output: Contribution to journalArticlepeer-review

Standard

A baited underwater video system for the determination of relative density of carnivorous reef fish. / Willis, Trevor J; Babcock, Russell C.

In: Marine and Freshwater Research, Vol. 51, No. 8, 2000, p. 755-763.

Research output: Contribution to journalArticlepeer-review

Harvard

Willis, TJ & Babcock, RC 2000, 'A baited underwater video system for the determination of relative density of carnivorous reef fish', Marine and Freshwater Research, vol. 51, no. 8, pp. 755-763. https://doi.org/10.1071/MF00010

APA

Willis, T. J., & Babcock, R. C. (2000). A baited underwater video system for the determination of relative density of carnivorous reef fish. Marine and Freshwater Research, 51(8), 755-763. https://doi.org/10.1071/MF00010

Vancouver

Author

Willis, Trevor J ; Babcock, Russell C. / A baited underwater video system for the determination of relative density of carnivorous reef fish. In: Marine and Freshwater Research. 2000 ; Vol. 51, No. 8. pp. 755-763.

Bibtex

@article{29e78e3754944de29aeed47c5d23fd1f,
title = "A baited underwater video system for the determination of relative density of carnivorous reef fish",
abstract = "Estimates of the relative density of fishes form the basis of many marine ecological studies as well as the assessment of effects of fishing or pollution. Plasticity in the behavioural response of large reef fishes to SCUBA divers means that commonly used underwater visual census (UVC) techniques do not always provide reliable estimates of relative density. The paper describes the system configuration, deployment methods, testing and use of a remotely deployed baited underwater video (BUV) system for the survey of carnivorous reef fishes (snapper, Pagrus auratus and blue cod,Parapercis colias) in marine reserves of northern New Zealand. Concurrent UVC and BUV surveys inside and outside a marine reserve showed that, whereas UVC detected few snapper in either area (resulting in little confidence in statistically significant results), BUV demonstrated significant differences in relative density. Conversely, blue cod were found to occur at significantly higher densities within the reserve by UVC, but not by BUV. The provision of accurate estimates of fish size (",
author = "Willis, {Trevor J} and Babcock, {Russell C.}",
year = "2000",
doi = "10.1071/MF00010",
language = "English",
volume = "51",
pages = "755--763",
journal = "Marine and Freshwater Research",
issn = "1323-1650",
publisher = "CSIRO",
number = "8",

}

RIS

TY - JOUR

T1 - A baited underwater video system for the determination of relative density of carnivorous reef fish

AU - Willis, Trevor J

AU - Babcock, Russell C.

PY - 2000

Y1 - 2000

N2 - Estimates of the relative density of fishes form the basis of many marine ecological studies as well as the assessment of effects of fishing or pollution. Plasticity in the behavioural response of large reef fishes to SCUBA divers means that commonly used underwater visual census (UVC) techniques do not always provide reliable estimates of relative density. The paper describes the system configuration, deployment methods, testing and use of a remotely deployed baited underwater video (BUV) system for the survey of carnivorous reef fishes (snapper, Pagrus auratus and blue cod,Parapercis colias) in marine reserves of northern New Zealand. Concurrent UVC and BUV surveys inside and outside a marine reserve showed that, whereas UVC detected few snapper in either area (resulting in little confidence in statistically significant results), BUV demonstrated significant differences in relative density. Conversely, blue cod were found to occur at significantly higher densities within the reserve by UVC, but not by BUV. The provision of accurate estimates of fish size (

AB - Estimates of the relative density of fishes form the basis of many marine ecological studies as well as the assessment of effects of fishing or pollution. Plasticity in the behavioural response of large reef fishes to SCUBA divers means that commonly used underwater visual census (UVC) techniques do not always provide reliable estimates of relative density. The paper describes the system configuration, deployment methods, testing and use of a remotely deployed baited underwater video (BUV) system for the survey of carnivorous reef fishes (snapper, Pagrus auratus and blue cod,Parapercis colias) in marine reserves of northern New Zealand. Concurrent UVC and BUV surveys inside and outside a marine reserve showed that, whereas UVC detected few snapper in either area (resulting in little confidence in statistically significant results), BUV demonstrated significant differences in relative density. Conversely, blue cod were found to occur at significantly higher densities within the reserve by UVC, but not by BUV. The provision of accurate estimates of fish size (

U2 - 10.1071/MF00010

DO - 10.1071/MF00010

M3 - Article

VL - 51

SP - 755

EP - 763

JO - Marine and Freshwater Research

JF - Marine and Freshwater Research

SN - 1323-1650

IS - 8

ER -

ID: 158391