TY  - STD
AU  - Swadling, K.
AU  - TAKs scientists
PY  - 2016//
TI  - Influence of fast ice on zooplankton and fish in Dumont d'Urville (East Antarctica)
N2  - NIPR Symposium<br /><br />Zooplankton that live at high latitudes are influenced by seasonal cycles in&nbsp;primary productivity, the strength and position of major oceanographic<br />currents and the growth and decay of sea ice. Zooplankton are important&nbsp;prey for fish, especially in sheltered coastal regions that act as nurseries for&nbsp;larvae and juveniles.<br />To describe the influence of sea ice dynamics on the long term distribution&nbsp;of zooplankton and, in turn, their availability as prey for fish, sampling in&nbsp;the fast ice zone near Dumont d&rsquo;Urville Station, located along the coast of&nbsp;Ad&eacute;lie Land in east Antarctica, has been carried out continually from 2000.<br />In the last fifteen years there have been five annual and ten summer field&nbsp;surveys that have sampled the underice zooplankton and ice-associated<br />fish, focussing on the stomach contents of the fish and abundance and&nbsp;diversity of the zooplankton. The fast ice of the region has been mapped via<br />satellites since 2001. Sampling of the sea ice itself began in 2003, with the&nbsp;ice meiofauna counted and identified from multiple ice cores.<br />The species of zooplankton recorded for the coastal region are typical of&nbsp;other Antarctic coastal areas and consist of small copepods such as Oithona<br />spp., Oncaea spp. and Stephos longipes, larger copepods including Metridia&nbsp;spp. and Calanoides acutus, meroplanktonic larvae, appendicularians and&nbsp;euphausiids. Meiofauna in the fast ice is dominated by copepods,&nbsp;particularly Drescheriella glacialis, Paralabidocera antarctica and Stephos&nbsp;longipes.<br />The abundance of zooplankton has varied at least 10-fold between years, producing consequences for the fish species that prey on them: in years of&nbsp;low zooplankton abundance the gut fullness of the fish is correspondingly&nbsp;low.
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ID  - Swadling+TAKsscientists2016
ER  -