Pauly, D. 1995. Anecdotes and the shifting baseline syndrome of fisheries.Trends in Ecology and Evolution 10(10):430.
Klick here to read the influential original publication, which has stimulated a whole string of other research, books, blogs and much else.
See also the book "Shifting baselines. The Past and the Future of Ocean Fisheries" edited by Jeremy B.C. Jackson, Karen E. Alexander and Enric Sala. Island Books, 312 p. (2011). Klick here for more info.