Effects of seismic shooting on local abundance and catch rates of cod ((Gadus morhua) and haddock )(Melanogrammus aeglefinus)
A Engås, S Løkkeborg, E Ona… - Canadian journal of …, 1996 - cdnsciencepub.com
… : (i) Does seismic shooting affect local abundance and catch rates of cod and haddock (…
seismic shooting area can effects be demonstrated? (iii) For how long after seismic shooting …
seismic shooting area can effects be demonstrated? (iii) For how long after seismic shooting …
Effects of seismic shooting and vessel-generated noise on fish behaviour and catch rates
A Engås, S Løkkeborg - Bioacoustics, 2002 - Taylor & Francis
Fishermen have long claimed that catch rates decline when a seismic survey starts on a
fishing ground. Likewise, both fishermen and scientists working on fish stock assessment have …
fishing ground. Likewise, both fishermen and scientists working on fish stock assessment have …
Sounds from seismic air guns: gear-and species-specific effects on catch rates and fish distribution
S Løkkeborg, E Ona, A Vold… - Canadian Journal of …, 2012 - cdnsciencepub.com
… The longline catch rate was given as number of fish per tub (… catch rate for a particular day
was the test statistic, was used to test whether the catch rates changed when seismic shooting …
was the test statistic, was used to test whether the catch rates changed when seismic shooting …
Influence of seismic shooting on the lesser sandeel (Ammodytes marinus)
A Hassel, T Knutsen, J Dalen, K Skaar… - ICES Journal of …, 2004 - academic.oup.com
… catch at night was 4.1 sandeels per grab before shooting and 5.5 sandeels per grab after
shooting… in the mean grab catches prior to (4.1 ± 5.0 sd) and after seismic shooting (5.5 ± 8.0 sd…
shooting… in the mean grab catches prior to (4.1 ± 5.0 sd) and after seismic shooting (5.5 ± 8.0 sd…
[PDF][PDF] Reaction of sandeel to seismic shooting: A field experiment and fishery statistics study
A Hassel, T Knutsen, J Dalen, S Løkkeborg, K Skaar… - 2003 - Citeseer
… activities may have impacts on the large scale distribution, availability for capture and
catch rates of sandeel. The suggested important phase 2 of the project has not been funded. …
catch rates of sandeel. The suggested important phase 2 of the project has not been funded. …
Using catch statistics to investigate effects of seismic activity on fish catch rates
A Vold, S Løkkeborg, MM Tenningen - The Effects of Noise on Aquatic Life, 2012 - Springer
… catch rates, which is the opposite of what was found in these analyses. On the other hand,
the catch rates … during the air gun shooting period, whereas the catch rates of Gadus morhua, …
the catch rates … during the air gun shooting period, whereas the catch rates of Gadus morhua, …
The effect of seismic surveys on catch rates of rock lobsters in western Victoria, Australia
GD Parry, A Gason - Fisheries Research, 2006 - Elsevier
… of acoustic pulses during seismic surveys was correlated with catch per unit … catch rates
were affected in the years following seismic surveys. In three regions subject to intensive seismic …
were affected in the years following seismic surveys. In three regions subject to intensive seismic …
[PDF][PDF] Impacts of geophysical seismic surveying on fishing success
AG Hirst*, PG Rodhouse - Reviews in Fish Biology and Fisheries, 2000 - researchgate.net
… array producing source levels of 250dB re 1µPa-m, with catch rates being reduced for at
least 5 days after the completion of shooting (see Table 1). Both these species are swimbladder …
least 5 days after the completion of shooting (see Table 1). Both these species are swimbladder …
Quantifying fish behaviour and commercial catch rates in relation to a marine seismic survey
… We also investigated the potential impacts of the seismic survey on catch rates … in catch
rates before and after the seismic survey. The catch rates in the six months following the seismic …
rates before and after the seismic survey. The catch rates in the six months following the seismic …
Effects of seismic shooting on the lesser sandeel (Ammodytes marinus Raitt)-a field study with grab sampling and in situ video observations
KL Skaar - 2004 - bora.uib.no
… , not deeper than about 10 cm, and there are therefore no indications that the sandeels buried
deeper after the seismic shooting, since the average catch rate was equal before and after …
deeper after the seismic shooting, since the average catch rate was equal before and after …
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