Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2
During April 2022, the annual random stratified trawl survey (RSTS) around Heard Island and McDonald Islands (HIMI) was conducted in CCAMLR Division 58.5.2, with the comple tion of 165 stations. The survey was conducted on the FV Cape Arkona . Sampling protocols such as the design and the duration o...
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ftunivtasecite:oai:ecite.utas.edu.au:155009 2023-05-15T16:33:54+02:00 Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 Maschette, D Lamb, T Ziegler, P 2022 application/pdf https://meetings.ccamlr.org/en/wg-fsa-2022/07 http://ecite.utas.edu.au/155009 en eng CCAMLR http://ecite.utas.edu.au/155009/1/155009 - Results from the 2022 random stratified trawl survey in the waters.pdf Maschette, D and Lamb, T and Ziegler, P, Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2, Commission for the Conservation of Antarctic Marine Living Resources, 23 September (2022) [Refereed Conference Paper] http://ecite.utas.edu.au/155009 Agricultural Veterinary and Food Sciences Fisheries sciences Fisheries management Refereed Conference Paper PeerReviewed 2022 ftunivtasecite 2023-02-20T23:17:09Z During April 2022, the annual random stratified trawl survey (RSTS) around Heard Island and McDonald Islands (HIMI) was conducted in CCAMLR Division 58.5.2, with the comple tion of 165 stations. The survey was conducted on the FV Cape Arkona . Sampling protocols such as the design and the duration of the hauls were similar to recent surveys, but with a new set of randomly selected haul stations. The catch of Patagonian toothfish ( Dissostichus eleginoides ) was 36.2 t. The catch of mackerel icefish ( Champsocephalus gunnari ) was 71 t which is the largest catch in the history of the survey. Biomass estimates for most of the managed by-catch species were similar to the survey averages in recent years whilst the biomass of Bathyraja murrayi has declined. Length and weight measurements were taken for 19,095 fish. Conference Object Heard Island Icefish McDonald Islands Patagonian Toothfish eCite UTAS (University of Tasmania) Heard Island Heard Island ENVELOPE(73.510,73.510,-53.117,-53.117) Heard ENVELOPE(73.510,73.510,-53.117,-53.117) McDonald Islands ENVELOPE(72.600,72.600,-53.033,-53.033) Cape Arkona ENVELOPE(73.433,73.433,-53.167,-53.167) |
institution |
Open Polar |
collection |
eCite UTAS (University of Tasmania) |
op_collection_id |
ftunivtasecite |
language |
English |
topic |
Agricultural Veterinary and Food Sciences Fisheries sciences Fisheries management |
spellingShingle |
Agricultural Veterinary and Food Sciences Fisheries sciences Fisheries management Maschette, D Lamb, T Ziegler, P Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 |
topic_facet |
Agricultural Veterinary and Food Sciences Fisheries sciences Fisheries management |
description |
During April 2022, the annual random stratified trawl survey (RSTS) around Heard Island and McDonald Islands (HIMI) was conducted in CCAMLR Division 58.5.2, with the comple tion of 165 stations. The survey was conducted on the FV Cape Arkona . Sampling protocols such as the design and the duration of the hauls were similar to recent surveys, but with a new set of randomly selected haul stations. The catch of Patagonian toothfish ( Dissostichus eleginoides ) was 36.2 t. The catch of mackerel icefish ( Champsocephalus gunnari ) was 71 t which is the largest catch in the history of the survey. Biomass estimates for most of the managed by-catch species were similar to the survey averages in recent years whilst the biomass of Bathyraja murrayi has declined. Length and weight measurements were taken for 19,095 fish. |
format |
Conference Object |
author |
Maschette, D Lamb, T Ziegler, P |
author_facet |
Maschette, D Lamb, T Ziegler, P |
author_sort |
Maschette, D |
title |
Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 |
title_short |
Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 |
title_full |
Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 |
title_fullStr |
Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 |
title_full_unstemmed |
Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 |
title_sort |
results from the 2022 random stratified trawl survey in the waters surrounding heard island in division 58.5.2 |
publisher |
CCAMLR |
publishDate |
2022 |
url |
https://meetings.ccamlr.org/en/wg-fsa-2022/07 http://ecite.utas.edu.au/155009 |
long_lat |
ENVELOPE(73.510,73.510,-53.117,-53.117) ENVELOPE(73.510,73.510,-53.117,-53.117) ENVELOPE(72.600,72.600,-53.033,-53.033) ENVELOPE(73.433,73.433,-53.167,-53.167) |
geographic |
Heard Island Heard Island Heard McDonald Islands Cape Arkona |
geographic_facet |
Heard Island Heard Island Heard McDonald Islands Cape Arkona |
genre |
Heard Island Icefish McDonald Islands Patagonian Toothfish |
genre_facet |
Heard Island Icefish McDonald Islands Patagonian Toothfish |
op_relation |
http://ecite.utas.edu.au/155009/1/155009 - Results from the 2022 random stratified trawl survey in the waters.pdf Maschette, D and Lamb, T and Ziegler, P, Results from the 2022 random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2, Commission for the Conservation of Antarctic Marine Living Resources, 23 September (2022) [Refereed Conference Paper] http://ecite.utas.edu.au/155009 |
_version_ |
1766023630258438144 |