Why do Antarctic krill stocks fluctuate?
Alfred Wegener Institute (AWI)
Published: 5 June 2017
Antarctic krill stocks fluctuate due to internal food competition, especially in autumn, not just climate. A new model shows how this self-regulating cycle affects the entire Southern Ocean ecosystem, influencing predator survival and food web stability.
Keywords: Antarctic krill, population fluctuation, food competition, ecosystem, bioenergetic model
Time to rise and shine
Alfred Wegener Institute (AWI)
Published: 14 July 2017
The copepod Calanus finmarchicus uses an internal genetic clock to regulate its daily vertical migration and metabolism, independent of light. This rhythm shapes North Atlantic ecosystems and could be disrupted by climate-driven shifts in daylight patterns.
Keywords: Calanus finmarchicus, genetic clock, vertical migration, metabolism, marine ecosystem
International Oyster Alliance
Alfred Wegener Institute (AWI)
Published: 14 November 2017
Experts from 10 countries founded a European network to restore native oyster stocks. The AWI-led RESTORE project promotes joint strategies, sustainable spat production, seabed protection, and genetic diversity for successful oyster reintroduction.
Keywords: European oyster, restoration, Ostrea edulis, RESTORE project, marine conservation
