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Modelling growth and reproduction of Antarctic krill, Euphausia superba, based on temperature, food and resource allocation amongst life history functions

Australian Antarctic Data Centre
CONSTABLE, ANDREW ; KAWAGUCHI, SO
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.1093/icesjms/fsx190&rft.title=Modelling growth and reproduction of Antarctic krill, Euphausia superba, based on temperature, food and resource allocation amongst life history functions&rft.identifier=10.1093/icesjms/fsx190&rft.publisher=ICES Journal of Marine Science&rft.description=This model was produced as part of Australian Antarctic Science project 4037 - Experimental krill biology: Response of krill to environmental change - The experimental krill research project is designed to focus on obtaining life history information of use in managing the krill fishery - the largest Antarctic fishery. In particular, the project will concentrate on studies into impacts of climate change on key aspects of krill biology and ecology. This metadata record is to reference the paper that describes the model. There is no archived data output from this data product. Taken from the abstract of the referenced paper: Estimates of productivity of Antarctic krill, Euphausia superba, are dependent on accurate models of growth and reproduction. Incorrect growth models, specifically those giving unrealistically high production, could lead to over-exploitation of the krill population if those models are used in setting catch limits. Here we review available approaches to modelling productivity and note that existing models do not account for the interactions between growth and reproduction and variable environmental conditions. We develop a new energetics moult-cycle (EMC) model which combines energetics and the constraints on growth of the moult-cycle. This model flexibly accounts for regional, inter- and intra-annual variation in temperature, food supply, and day length. The EMC model provides results consistent with the general expectations for krill growth in length and mass, including having thin krill, as well as providing insights into the effects that increasing temperature may have on growth and reproduction. We recommend that this new model be incorporated into assessments of catch limits for Antarctic krill.&rft.creator=CONSTABLE, ANDREW &rft.creator=KAWAGUCHI, SO &rft.date=2018&rft.coverage=northlimit=-50; southlimit=-70; westlimit=-180; eastLimit=180; projection=WGS84&rft.coverage=northlimit=-50; southlimit=-70; westlimit=-180; eastLimit=180; projection=WGS84&rft_rights=Cite the paper when using this model. Constable, A. J. and Kawaguchi, S. Modelling growth and reproduction of Antarctic krill, Euphausia superba, based on temperature, food and resource allocation amongst life history functions. – ICES Journal of Marine Science, doi:10.1093/icesjms/fsx190. 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_4037_Krill_Modelling when using these data.&rft_subject=biota&rft_subject=oceans&rft_subject=EUPHAUSIIDS (KRILL)&rft_subject=EARTH SCIENCE&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=ANIMALS/INVERTEBRATES&rft_subject=ARTHROPODS&rft_subject=CRUSTACEANS&rft_subject=DYNAMIC VEGETATION/ECOSYSTEM MODELS&rft_subject=EARTH SCIENCE SERVICES&rft_subject=MODELS&rft_subject=BREEDING PRODUCTIVITY&rft_subject=CLIMATE INDICATORS&rft_subject=BIOSPHERIC INDICATORS&rft_subject=SPECIES LIFE HISTORY&rft_subject=BIOSPHERE&rft_subject=ECOLOGICAL DYNAMICS&rft_subject=SPECIES/POPULATION INTERACTIONS&rft_subject=ANTARCTICA&rft_subject=CCAMLR&rft_subject=GROWTH&rft_subject=LIFE HISTORY&rft_subject=Computer > Computer&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=OCEAN > SOUTHERN OCEAN&rft.type=dataset&rft.language=English Access the data
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Cite the paper when using this model. Constable, A. J. and Kawaguchi, S. Modelling growth and reproduction of Antarctic krill, Euphausia superba, based on temperature, food and resource allocation amongst life history functions. – ICES Journal of Marine Science, doi:10.1093/icesjms/fsx190. 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_4037_Krill_Modelling when using these data.

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Brief description

This model was produced as part of Australian Antarctic Science project 4037 - Experimental krill biology: Response of krill to environmental change - The experimental krill research project is designed to focus on obtaining life history information of use in managing the krill fishery - the largest Antarctic fishery. In particular, the project will concentrate on studies into impacts of climate change on key aspects of krill biology and ecology.

This metadata record is to reference the paper that describes the model. There is no archived data output from this data product.

Taken from the abstract of the referenced paper:

Estimates of productivity of Antarctic krill, Euphausia superba, are dependent on accurate models of growth and reproduction. Incorrect growth models, specifically those giving unrealistically high production, could lead to over-exploitation of the krill population if those models are used in setting catch limits. Here we review available approaches to modelling productivity and note that existing models do not account for the interactions between growth and reproduction and variable environmental conditions. We develop a new energetics moult-cycle (EMC) model which combines energetics and the constraints on growth of the moult-cycle. This model flexibly accounts for regional, inter- and intra-annual variation in temperature, food supply, and day length. The EMC model provides results consistent with the general expectations for krill growth in length and mass, including having thin krill, as well as providing insights into the effects that increasing temperature may have on growth and reproduction. We recommend that this new model be incorporated into assessments of catch limits for Antarctic krill.

Issued: 2018-10-11

Data time period: 2012-07-01 to 2017-05-01

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text: northlimit=-50; southlimit=-70; westlimit=-180; eastLimit=180; projection=WGS84

Subjects
ANIMALS/INVERTEBRATES | ANTARCTICA | ARTHROPODS | BIOLOGICAL CLASSIFICATION | BIOSPHERE | BIOSPHERIC INDICATORS | BREEDING PRODUCTIVITY | CCAMLR | CLIMATE INDICATORS | CRUSTACEANS | Computer > Computer | DYNAMIC VEGETATION/ECOSYSTEM MODELS | EARTH SCIENCE | EARTH SCIENCE SERVICES | ECOLOGICAL DYNAMICS | EUPHAUSIIDS (KRILL) | GEOGRAPHIC REGION > POLAR | GROWTH | LIFE HISTORY | MODELS | OCEAN > SOUTHERN OCEAN | SPECIES LIFE HISTORY | SPECIES/POPULATION INTERACTIONS | biota | oceans |

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

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