Blue blood on ice – How an Antarctic octopus survives the cold
Alfred Wegener Institute (AWI)
Published: 11 March 2015
A study reveals that the Antarctic octopus Pareledone charcoti uses high levels of haemocyanin to transport oxygen efficiently in icy waters. This unique adaptation may also help it tolerate warming seas better than other Antarctic species.
Keywords: Antarctic octopus, haemocyanin, oxygen transport, cold adaptation, Pareledone charcoti, marine biology
Billions of juvenile fish under the Arctic sea ice
Alfred Wegener Institute (AWI)
Published: 12 October 2015
Scientists discovered over nine billion juvenile polar cod living under Arctic sea ice using specialized nets. These fish, vital to the Arctic food web, likely drift from Siberian spawning grounds. Their role may grow as warming seas shrink other populations.
Keywords: polar cod, Arctic Ocean, sea ice nursery, juvenile fish, Boreogadus saida, Arctic food web
Marine biologists from around the globe meet on Helgoland
Alfred Wegener Institute (AWI)
Published: 21 September 2015
The 50th European Marine Biology Symposium (Sept 21–25, 2015) returns to Helgoland, where it began in 1966. Around 200 researchers discuss long-term environmental data, climate change impacts, algal blooms, invasive species, and marine ecosystem shifts.
Keywords: European Marine Biology Symposium, Helgoland, long-term data, algal bloom, marine ecosystems, AWI, plankton time series
