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Antarctic krill (Euphausia superba) and salps are major macroplankton contributors to Southern Ocean food webs and krill are also fished commercially. Managing this fishery sustainably, against a backdrop of rapid regional climate change, requires information on distribution and time trends. Many data on the abundance of both taxa have been obtained from net sampling surveys since 1926, but much of this is stored in national archives, sometimes only in notebooks. In order to make these important data accessible we have collated avail- able abundance data (numerical density, no. m−2) of postlarval E. superba and salp individual (multiple species, and whether singly or in chains). These were combined into a central database, KRILLBASE, together with en- vironmental information, standardisation and metadata. The aim is to provide a temporal-spatial data resource to support a variety of research such as biogeochemistry, autecology, higher predator foraging and food web mod- elling in addition to fisheries management and conservation. Previous versions of KRILLBASE have led to a series of papers since 2004 which illustrate some of the potential uses of this database. With increasing numbers of requests for these data we here provide an updated version of KRILLBASE that contains data from 15 194 net hauls, including 12 758 with krill abundance data and 9726 with salp abundance data. These data were collected by 10 nations and span 56 seasons in two epochs (1926–1939 and 1976–2016). Here, we illustrate the seasonal, inter-annual, regional and depth coverage of sampling, and provide both circumpolar- and regional-scale distri- bution maps. Krill abundance data have been standardised to accommodate variation in sampling methods, and we have presented these as well as the raw data. Information is provided on how to screen, interpret and use KRILLBASE to reduce artefacts in interpretation, with contact points for the main data providers.
Link GBIF portal : https://www.gbif.org/dataset/89cc7735-d79d-4540-a1e9-f5f863bc741b
Key words
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Field
continental
marine
Protocole
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Geographic extent
Contacts
Type
Organization
Name
Fournisseur
Plymouth Marine Laboratory
ATKINSON Angus
Fournisseur
British Antarctic Survey
HILL Simeon L.
Fournisseur
University of British Columbia
PAKHOMOV Evgeny A.
Fournisseur
Thünen Institute of Sea Fisheries
SIEGEL Volker
Fournisseur
University of Oviedo
ANADON Ricardo
Fournisseur
JAMSTEC
CHIBA Sanae
Fournisseur
University of South Florida
DALY Kendra L.
Fournisseur
World Wildlife Fund
DOWNIE Rod
Fournisseur
British Antarctic Survey
FIELDING Sophie
Fournisseur
British Antarctic Survey
FRETWELL Peter
Fournisseur
British Antarctic Survey
GERRISH Laura
Fournisseur
Sir Alister Hardy Foundation for Ocean Sciences
HOSIE Graham W.
Fournisseur
University College Cork
JESSOPP Mark J.
Fournisseur
Australian Antarctic Division
KAWAGUCHI So
Fournisseur
Institute of Marine Research
KRAFFT Bjørn A.
Fournisseur
Moss Landing Marine Laboratories
LOEB Valerie
Fournisseur
Tokai University
NISHIKAWA Jun
Fournisseur
British Antarctic Survey
PEAT Helen J.
Fournisseur
NOAA Fisheries
REISS Christian S.
Fournisseur
University of California at Santa Barbara
ROSS Robin M.
Fournisseur
University of California at Santa Barbara
QUETIN Langdon B.
Fournisseur
Sir Alister Hardy Foundation for Ocean Sciences
SCHMIDT Katrin
Fournisseur
Virginia Institute of Marine Science
STEINBERG Deborah K.
Fournisseur
Antarctic Climate and Ecosystems Cooperative Research Centre (ACE CRC)
SUBRAMANIAM Roshni C.
Fournisseur
British Antarctic Survey
TARLING Geraint A.
Fournisseur
British Antarctic Survey
WARD Peter
Producteur
Britisch Antarctic Survey
PEAT Helen
Fournisseur
PATRINAT (OFB-MNHN-CNRS-IRD)
Publication dates :
First diffusion : 09/04/2021
Last update : 30/11/2023
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36 données
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