@misc{scharfe_multidecadal_changes_2011, 
author={Scharfe, M., Callies, U.},
title={Multi-decadal changes in the marine ecosystem of Helgoland Island, German Bight, North Sea},
year={2011},
howpublished = {conference lecture: Plymouth (GB);},
note = {Scharfe, M.; Callies, U.: Multi-decadal changes in the marine ecosystem of Helgoland Island, German Bight, North Sea. Biodiversity & Global Change, Plankton 2011. Plymouth (GB), 2011.}}