Data

Stomach content analysis of mesopelagic fish from the southern Kerguelen Axis

Name: Stomach content analysis of mesopelagic fish from the southern Kerguelen Axis
Published: 2019-04-09

Australian Antarctic Data Centre

WALTERS, ANDREA ; RIAZ, JAVED ; BESTLEY, SOPHIE ; TREBILCO, ROWAN ; LEA, MARY-ANNE

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.26179/5cad792233083&rft.title=Stomach content analysis of mesopelagic fish from the southern Kerguelen Axis&rft.identifier=10.26179/5cad792233083&rft.publisher=Australian Antarctic Data Centre&rft.description=Mesopelagic fish gut content data from the Kerguelen Axis ecosystem study (AAS_4344): These data are based on samples collected as part of the Kerguelen Axis marine ecosystem study (AAS_4344), chief scientist Andrew Constable. This research was supported by the Australian government under the (i) Cooperative Research Centre Program through the Antarctic Climate and Ecosystems Cooperative Research Centre (ACE CRC), (ii) Australian Antarctic Science Program (Projects 4343, 4344, 4347 and 4366), and (iii) Australian Research Council’s Special Research Initiative for Antarctic Gateway Partnership (Project ID SR140300001). The preferred citation is: Riaz, J., Walters, A., Trebilco, R., Bestley, S., Lea, M-A. (2019) Stomach content analysis of mesopelagic fish from the southern Kerguelen Axis. Deep Sea Research Part II: Topical Studies in Oceanography. Samples for gut content analysis were collected on board the R.S.V Aurora Australis during the austral summer of 2016 (22 January-17 February) during the Kerguelen Axis marine ecosystem survey (AAS_4344). Analyses focused on four of the most common and widespread Southern Ocean mesopelagic fish species: three myctophids (Electrona antarctica, Gymnoscopelus braueri, Krefftichthys anderssoni), and one bathylagid (Bathylagus antarcticus). Species were sampled across a broad range of size classes to investigate the influence of predator size on predator and prey size relationships. Fish were collected from six sampling stations along the major south-to-north transect of the Kerguelen Axis. Three sampling sites were located in subpolar waters south of the Southern Boundary (SB) of the Antarctic Circumpolar Current (ACC) over the Princess Elizabeth Trough. The other three sampling sites were located north of the Southern Antarctic Circumpolar Circulation Front (SACCF) over the Banzare Bank on the southern Kerguelen Plateau.The contribution and relative importance of prey taxa to stomach contents was quantified with four traditional metrics of dietary composition (Hyslop 1980). These were calculated for each fish species separately at northern and southern sampling stations, and across species within all stations. Hyslop, E. J. (1980) Stomach contents analysis-a review of methods and their application. Journal of Fish Biology 17:411.&rft.creator=WALTERS, ANDREA &rft.creator=RIAZ, JAVED &rft.creator=BESTLEY, SOPHIE &rft.creator=TREBILCO, ROWAN &rft.creator=LEA, MARY-ANNE &rft.date=2019&rft.coverage=northlimit=-50; southlimit=-70; westlimit=60; eastLimit=95; projection=WGS84&rft.coverage=northlimit=-50; southlimit=-70; westlimit=60; eastLimit=95; projection=WGS84&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4344_Mesopelagic_fish_gut_content_data when using these data.&rft_subject=biota&rft_subject=oceans&rft_subject=FISH&rft_subject=EARTH SCIENCE&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=ANIMALS/VERTEBRATES&rft_subject=RAY-FINNED FISHES&rft_subject=FOOD-WEB DYNAMICS&rft_subject=BIOSPHERE&rft_subject=ECOLOGICAL DYNAMICS&rft_subject=ECOSYSTEM FUNCTIONS&rft_subject=MESOPELAGIC&rft_subject=STOMACH CONTENT&rft_subject=DIET&rft_subject=BATHYLAGID&rft_subject=MYCTOPHID&rft_subject=FORAGING ECOLOGY&rft_subject=IYGPT&rft_subject=TRAWL&rft_subject=MIDWATER TRAWLS&rft_subject=R/V AA > R/V Aurora Australis&rft_subject=LABORATORY&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=OCEAN > SOUTHERN OCEAN > SOUTHERN KERGUELEN PLATEAU REGION&rft_subject=OCEAN > SOUTHERN OCEAN > PRINCESS ELIZABETH TROUGH&rft_subject=CONTINENT > ANTARCTICA > EAST ANTARCTICA&rft_subject=OCEAN > SOUTHERN OCEAN > BANZARE BANK&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data

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This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4344_Mesopelagic_fish_gut_content_data when using these data.

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Brief description

Mesopelagic fish gut content data from the Kerguelen Axis ecosystem study (AAS_4344): These data are based on samples collected as part of the Kerguelen Axis marine ecosystem study (AAS_4344), chief scientist Andrew Constable. This research was supported by the Australian government under the (i) Cooperative Research Centre Program through the Antarctic Climate and Ecosystems Cooperative Research Centre (ACE CRC), (ii) Australian Antarctic Science Program (Projects 4343, 4344, 4347 and 4366), and (iii) Australian Research Council’s Special Research Initiative for Antarctic Gateway Partnership (Project ID SR140300001). The preferred citation is: Riaz, J., Walters, A., Trebilco, R., Bestley, S., Lea, M-A. (2019) Stomach content analysis of mesopelagic fish from the southern Kerguelen Axis. Deep Sea Research Part II: Topical Studies in Oceanography. Samples for gut content analysis were collected on board the R.S.V Aurora Australis during the austral summer of 2016 (22 January-17 February) during the Kerguelen Axis marine ecosystem survey (AAS_4344). Analyses focused on four of the most common and widespread Southern Ocean mesopelagic fish species: three myctophids (Electrona antarctica, Gymnoscopelus braueri, Krefftichthys anderssoni), and one bathylagid (Bathylagus antarcticus). Species were sampled across a broad range of size classes to investigate the influence of predator size on predator and prey size relationships. Fish were collected from six sampling stations along the major south-to-north transect of the Kerguelen Axis. Three sampling sites were located in subpolar waters south of the Southern Boundary (SB) of the Antarctic Circumpolar Current (ACC) over the Princess Elizabeth Trough. The other three sampling sites were located north of the Southern Antarctic Circumpolar Circulation Front (SACCF) over the Banzare Bank on the southern Kerguelen Plateau.The contribution and relative importance of prey taxa to stomach contents was quantified with four traditional metrics of dietary composition (Hyslop 1980). These were calculated for each fish species separately at northern and southern sampling stations, and across species within all stations. Hyslop, E. J. (1980) Stomach contents analysis-a review of methods and their application. Journal of Fish Biology 17:411.

Issued: 2019-04-09

Data time period: 2016-01-22 to 2016-02-17

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text: northlimit=-50; southlimit=-70; westlimit=60; eastLimit=95; projection=WGS84

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536 NLA Link

Identifiers

URI : data.aad.gov.au/metadata/records/AAS_4344_Mesopelagic_fish_gut_content_data
Local : AAS_4344_Mesopelagic_fish_gut_content_data
DOI : 10.26179/5CAD792233083
global : 2e9efa28-5eae-49b2-a94a-0e8dbb3c95e9

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