Data

Rabbitfish fishery and spawning aggregation surveys in the Seychelles

James Cook University
Robinson, Jan ; Graham, Nicholas
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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:doi10.4225/28/571EB18AA6AB7&rft.title=Rabbitfish fishery and spawning aggregation surveys in the Seychelles&rft.identifier=10.4225/28/571EB18AA6AB7&rft.publisher=James Cook University&rft.description=This dataset contains fish density and fishery data for a rabbitfish species (Siganus sutor) in the Republic of Seychelles. Fish density was estimated at spawning aggregations and in non-reproductive habitat between November 2013 and May 2014 using 20 min timed-swim surveys by divers using stereo-video. From 60 random samples of resulting video frames, two metrics of density were derived: MaxN and Presence. On the same days as fish density surveys, observations of two fishers targeting the species using fish traps were also undertaken, with individual fisher catch and effort data collected and used to estimate catch-per-unit-effort. Other fishery information collected includes fishing effort density, soak time, trap type and fishing depth. Underwater visibility data were also derived from survey video data, while an index of current strength was derived from satellite altimeter and scatterometer data.&rft.creator=Robinson, Jan &rft.creator=Graham, Nicholas &rft.date=2016&rft.coverage=55.736632298444,-4.4017957758316 55.763834171981,-4.3922952773313 55.786760209095,-4.3748783519306 55.80316624954,-4.3512494137539 55.811446355767,-4.323720970148 55.810790013289,-4.2949874328933 55.801261469481,-4.2678614694446 55.7837934446,-4.2449986656592 55.760095830627,-4.2286374595556 55.732488315131,-4.2203798499052 55.703673314079,-4.2210344123449 55.676471440542,-4.2305370519921 55.653545403428,-4.247957285611 55.637139362984,-4.2715894354512 55.628859256756,-4.2991197674184 55.629515599234,-4.3278531484408 55.639044143042,-4.354976970739 55.656512167923,-4.3778364663044 55.680209781896,-4.3941944607467 55.707817297392,-4.4024501820392 55.736632298444,-4.4017957758316&rft.coverage=Seychelles&rft_rights=Once access to the data has been obtained via negotiation with the data manager, use of the dataset is governed by the CC-BY-NC AU licence.&rft_rights=CC BY-NC: Attribution-Noncommercial 3.0 AU http://creativecommons.org/licenses/by-nc/3.0/au&rft_subject=Siganidae&rft_subject=spawning aggregation&rft_subject=herbivory&rft_subject=catch-per-unit-effort&rft_subject=catchability&rft_subject=marine reserves&rft_subject=ARC Centre of Excellence for Coral Reef Studies&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

Non-Commercial Licence view details
CC-BY-NC

CC BY-NC: Attribution-Noncommercial 3.0 AU
http://creativecommons.org/licenses/by-nc/3.0/au

Once access to the data has been obtained via negotiation with the data manager, use of the dataset is governed by the CC-BY-NC AU licence.

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Conditions apply view details

Conditional: Contact researchdata@jcu.edu.au to request access to this data.

Full description

This dataset contains fish density and fishery data for a rabbitfish species (Siganus sutor) in the Republic of Seychelles. Fish density was estimated at spawning aggregations and in non-reproductive habitat between November 2013 and May 2014 using 20 min timed-swim surveys by divers using stereo-video. From 60 random samples of resulting video frames, two metrics of density were derived: MaxN and Presence. On the same days as fish density surveys, observations of two fishers targeting the species using fish traps were also undertaken, with individual fisher catch and effort data collected and used to estimate catch-per-unit-effort. Other fishery information collected includes fishing effort density, soak time, trap type and fishing depth. Underwater visibility data were also derived from survey video data, while an index of current strength was derived from satellite altimeter and scatterometer data.

Notes

This dataset consists of a spreadsheet in MS Excel (.xlsx) and Open Document formats (.ods)

Created: 2016-03-05

Data time period: 10 2013 to 15 06 2014

This dataset is part of a larger collection

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55.73663,-4.4018 55.76383,-4.3923 55.78676,-4.37488 55.80317,-4.35125 55.81145,-4.32372 55.81079,-4.29499 55.80126,-4.26786 55.78379,-4.245 55.7601,-4.22864 55.73249,-4.22038 55.70367,-4.22103 55.67647,-4.23054 55.65355,-4.24796 55.63714,-4.27159 55.62886,-4.29912 55.62952,-4.32785 55.63904,-4.35498 55.65651,-4.37784 55.68021,-4.39419 55.70782,-4.40245 55.73663,-4.4018

55.720152806262,-4.3114150159722

text: Seychelles

Subjects
ARC Centre of Excellence for Coral Reef Studies | Siganidae | catch-per-unit-effort | catchability | herbivory | marine reserves | spawning aggregation |

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Identifiers
  • DOI : 10.4225/28/571EB18AA6AB7
  • Local : researchdata.jcu.edu.au//published/3028bd71598a1ecf18def68e938a089e
  • Local : 9c5e42533362311d376cecf071f3f1fc
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