title: Ecosystems: the rocky road to regime-shift indicators.
abstract: Ecosystems can undergo dramatic shifts from one stable state to another. While indicators of such shifts are well known, experimental tests are few and far between. A new study on rocky shore ecosystems now offers a test of warning indicators.
authors.affiliation: Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, European Way, Southampton SO14 3ZH, UK. Electronic address: S.J.Hawkins@soton.ac.uk.
authors.forename: Stephen J
authors.initials: SJ
authors.lastname: Hawkins
authors.affiliation: Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, European Way, Southampton SO14 3ZH, UK.
authors.forename: Katrin
authors.initials: K
authors.lastname: Bohn
authors.affiliation: Centre for Biological Sciences, Institute for Life Sciences, University of Southampton, University Road, Southampton SO17 1BJ, UK.
authors.forename: C Patrick
authors.initials: CP
authors.lastname: Doncaster
mesh_terms: D017753:Ecosystem; D000459:Phaeophyceae / Q000502:physiology*; D012624:Seaweed / Q000502:physiology*