title: Feedback monitoring: A new way of protecting the environment.
authors.affiliation: John Gray is at the Dept of Biology, Section of Marine Zoology and Marine Chemistry, University of Oslo, PB 1064, 0316 Oslo, Norway.
authors.forename: J S
authors.initials: JS
authors.lastname: Gray
authors.forename: K
authors.initials: K
authors.lastname: Jensen