The effect of missing acoustic observations (dropped pings) onmean area density estimates of Antarctic krill (Euphausia superba) ...
No abstracts are to be cited without prior reference to the author.Acoustic surveys typically sample continually along transect, and line-transect theory is applied to determine mean area density and variance estimates. However, when the water column under a hull mounted echosounder transducer becom...
Main Authors: | , , , |
---|---|
Format: | Conference Object |
Language: | unknown |
Published: |
ASC 2006 - Theme session I
2024
|
Subjects: | |
Online Access: | https://dx.doi.org/10.17895/ices.pub.25258774 https://ices-library.figshare.com/articles/conference_contribution/The_effect_of_missing_acoustic_observations_dropped_pings_onmean_area_density_estimates_of_Antarctic_krill_Euphausia_superba_/25258774 |
id |
ftdatacite:10.17895/ices.pub.25258774 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.17895/ices.pub.25258774 2024-03-31T07:49:09+00:00 The effect of missing acoustic observations (dropped pings) onmean area density estimates of Antarctic krill (Euphausia superba) ... Cox, Martin J. L.Watkins, Jonathan MacKenzie, Monique L. Brierley., Andrew S. 2024 https://dx.doi.org/10.17895/ices.pub.25258774 https://ices-library.figshare.com/articles/conference_contribution/The_effect_of_missing_acoustic_observations_dropped_pings_onmean_area_density_estimates_of_Antarctic_krill_Euphausia_superba_/25258774 unknown ASC 2006 - Theme session I https://ices-library.figshare.com/ICES-ASC-2006/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Fisheries and aquaculture Technologies and data Conference contribution article CreativeWork Other 2024 ftdatacite https://doi.org/10.17895/ices.pub.25258774 2024-03-04T14:11:39Z No abstracts are to be cited without prior reference to the author.Acoustic surveys typically sample continually along transect, and line-transect theory is applied to determine mean area density and variance estimates. However, when the water column under a hull mounted echosounder transducer becomes aerated or the transducer orientation changes rapidly, for example during rough weather, the continuous data are which interrupted as pings are dropped. Current methods ignore missing pings and as a consequence potentially negatively bias acoustic estimates of marine organism density. The purpose of this investigation is to determine if missing pings bias area density estimates of Antarctic krill (Euphausia superba). ... Conference Object Antarc* Antarctic Antarctic Krill Euphausia superba DataCite Metadata Store (German National Library of Science and Technology) Antarctic |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Fisheries and aquaculture Technologies and data |
spellingShingle |
Fisheries and aquaculture Technologies and data Cox, Martin J. L.Watkins, Jonathan MacKenzie, Monique L. Brierley., Andrew S. The effect of missing acoustic observations (dropped pings) onmean area density estimates of Antarctic krill (Euphausia superba) ... |
topic_facet |
Fisheries and aquaculture Technologies and data |
description |
No abstracts are to be cited without prior reference to the author.Acoustic surveys typically sample continually along transect, and line-transect theory is applied to determine mean area density and variance estimates. However, when the water column under a hull mounted echosounder transducer becomes aerated or the transducer orientation changes rapidly, for example during rough weather, the continuous data are which interrupted as pings are dropped. Current methods ignore missing pings and as a consequence potentially negatively bias acoustic estimates of marine organism density. The purpose of this investigation is to determine if missing pings bias area density estimates of Antarctic krill (Euphausia superba). ... |
format |
Conference Object |
author |
Cox, Martin J. L.Watkins, Jonathan MacKenzie, Monique L. Brierley., Andrew S. |
author_facet |
Cox, Martin J. L.Watkins, Jonathan MacKenzie, Monique L. Brierley., Andrew S. |
author_sort |
Cox, Martin J. |
title |
The effect of missing acoustic observations (dropped pings) onmean area density estimates of Antarctic krill (Euphausia superba) ... |
title_short |
The effect of missing acoustic observations (dropped pings) onmean area density estimates of Antarctic krill (Euphausia superba) ... |
title_full |
The effect of missing acoustic observations (dropped pings) onmean area density estimates of Antarctic krill (Euphausia superba) ... |
title_fullStr |
The effect of missing acoustic observations (dropped pings) onmean area density estimates of Antarctic krill (Euphausia superba) ... |
title_full_unstemmed |
The effect of missing acoustic observations (dropped pings) onmean area density estimates of Antarctic krill (Euphausia superba) ... |
title_sort |
effect of missing acoustic observations (dropped pings) onmean area density estimates of antarctic krill (euphausia superba) ... |
publisher |
ASC 2006 - Theme session I |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25258774 https://ices-library.figshare.com/articles/conference_contribution/The_effect_of_missing_acoustic_observations_dropped_pings_onmean_area_density_estimates_of_Antarctic_krill_Euphausia_superba_/25258774 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Antarctic Krill Euphausia superba |
genre_facet |
Antarc* Antarctic Antarctic Krill Euphausia superba |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2006/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25258774 |
_version_ |
1795038200621694976 |