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The past, present and future distribution of a deep-sea shrimp in the Southern Ocean
Basher, Z.; Costello, M.J. (2016). The past, present and future distribution of a deep-sea shrimp in the Southern Ocean. PeerJ 4: e1713. http://dx.doi.org/10.7717/peerj.1713
In: PeerJ. PeerJ: Corte Madera & London. ISSN 2167-8359; e-ISSN 2167-8359, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Antarctica
    Aquatic communities > Benthos
    Climate change
    Geography > Biogeography
    Refugia
    Decapoda [WoRMS]
    Antarctica [Marine Regions]
    Marien/Kust
Author keywords
    Last glacial maximum; Range shift; Species distribution modeling
Auteurs  Top 
  • Basher, Z.
  • Costello, M.J., meer
Abstract
    Shrimps have a widespread distribution across the shelf, slope and seamount regions of the Southern Ocean. Studies of Antarctic organisms have shown that individual species and higher taxa display different degrees of sensitivity and adaptability in response to environmental change. We use species distribution models to predict changes in the geographic range of the deep-sea Antarctic shrimp Nematocarcinus lanceopes under changing climatic conditions from the Last Glacial Maximum to the present and to the year 2100. The present distribution range indicates a pole-ward shift of the shrimp population since the last glaciation. This occurred by colonization of slopes from nearby refugia located around the northern part of Scotia Arc, southern tip of South America, South Georgia, Bouvet Island, southern tip of the Campbell plateau and Kerguelen plateau. By 2100, the shrimp are likely to expand their distribution in east Antarctica but have a continued pole-ward contraction in west Antarctica. The range extension and contraction process followed by the deep-sea shrimp provide a geographic context of how other deep-sea Antarctic species may have survived during the last glaciation and may endure with projected changing climatic conditions in the future.
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