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Full-Text Articles in Life Sciences

Population Ecology And Epidemiology Of Sea Lice In Canadian Waters, Sonja M. Saksida, Ian Bricknell, Shawn M. C. Robinson, Simon Jones Feb 2015

Population Ecology And Epidemiology Of Sea Lice In Canadian Waters, Sonja M. Saksida, Ian Bricknell, Shawn M. C. Robinson, Simon Jones

Maine Sea Grant Publications

Sea lice are found on farmed and wild fish on both the west coast and east coast of Canada. The predominant species on both coasts is referred to as Lepeophtheirus salmonis but indications are that the two groups are genetically different. Caligus species are also found on both coasts, these too are different species: Caligus clemensi and C. elongatus, respectively. There has been extensive work on sea lice on both wild and farmed fish over the last decade. Research indicates that L. salmonis, commonly referred to as the salmon louse; may have a broader host range than commonly …


The American Lobster Settlement Index: An Early Warning System?, Maine Sea Grant College Program Jan 2015

The American Lobster Settlement Index: An Early Warning System?, Maine Sea Grant College Program

Maine Sea Grant Publications

The harvest of American lobsters is the Gulf of Maine’s largest, most valuable, and most iconic fishery. The catch has never been higher, but how long will it last? Fishing communities in eastern Maine and southern Nova Scotia are seeing historically high landings, some five times higher than the 1980s. At the same time, the lobster fishery south of Cape Cod has all but collapsed, plagued by shell disease and stressfully warm summers. It has never been more important to monitor this vital fishery. The American Lobster Settlement Index measures the annual pulse of baby lobsters to rocky nurseries some …