Marine environmental assessment of the estuary and Gulf of St. Lawrence
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Marine environmental assessment of the estuary and Gulf of St. Lawrence

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Published by Dept. of Fisheries and Oceans in Ottawa .
Written in English


  • Environmental impact analysis -- St. Lawrence, Gulf of.,
  • Marine ecology -- St. Lawrence, Gulf of.,
  • Marine pollution -- St. Lawrence, Gulf of.

Book details:

Edition Notes


Statementby Louise White and Frank Johns.
ContributionsJohns, Frank., White, Louise.
The Physical Object
Pagination128 p. : ill. ; 28 cm.
Number of Pages128
ID Numbers
Open LibraryOL22119037M

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Estuary and Gulf of St. Lawrence marine ecosystem overview and assessment report. Can. Tech. Rep. Fish. Aquat. Sci. E: vii + p. The report’s main objective is to provide a descriptive overview of the components, structure and functioning of the Estuary and Gulf of St. Lawrence ecosystem as well as a preliminary. A Complementary Tool With this in mind, the Species at Risk and Biodiversity team of the Maurice Lamontagne Institute decided to produce a field tool to assist biologists in identifying and comparing the marine species of fishes and invertebrates that may be encountered in the Estuary and Northern Gulf of St. Lawrence.   Marine geology of the St. Lawrence Estuary. Guillaume St-Onge 1,2,5, Mathieu J Duchesne 3 and Patrick Lajeunesse 4. Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Vol Number 1Cited by: 5.   All but one of the nine non-native marine species that established populations in the southern Gulf of St. Lawrence (sGSL) in the past decade initially invaded the sGSL via coastal and estuarine waters of Prince Edward Island (PEI) (see Fig. 1).Almost half of these non-native species are tunicates, and all but one of the recent tunicate invaders of the sGSL still occur only in PEI.

Map of the 84 sampling sites. Detailed map of the 84 sampling sites in Estuary and Gulf of St. Lawrence (EGSL). Red circles represent stations where . DFO research survey data indicate that the northern shrimp is widespread in the Estuary and in the northern Gulf of St. Lawrence (Figure 2). It is distributed over more t km2 at depths from to m, with more than 80% of the biomass concentrated in channels between and m, at bottom temperatures ranging from to °C. Quebec and Gulf Regions Science Response / April ASSESSMENT TO SUPPORT DECISIONS ON AUTHORIZING SCIENTIFIC SURVEYS WITH BOTTOM CONTACTING GEARS IN PROTECTED AREAS IN THE ESTUARY AND GULF OF ST. LAWRENCE Context Canada is rapidly increasing the number of protected areas in its coastal and marine waters to.   Map of the Estuary and Northern Gulf of St Lawrence (EGSL) depicting (a) biological survey sampling stations between and , and (b) fishing tows (starting coordinates) between and in NAFO areas 4R, 4S, and 4T separated by grey segments. Bathymetric lines delineate the m-depth isobath.

ABSTRACT: The entire Great Lakes watershed drains through Lake Ontario and flows into the St. Lawrence River near Cape Vincent, New York. The St. Lawrence River then flows northeast through Quebec and Ontario and into the largest estuary in the world, the Gulf of Saint Lawrence. The St. Lawrence. The Gulf of St. Lawrence is an incredibly diverse and complex marine and estuary ecosystem and is one of the largest of its kind in the world. It’s a busy and productive part of the ocean that has unique species, some that live there year-round, and others, like whales, which travel long distances just to visit this special spot. The area is made up of freshwater from the. Estuary and the Northern Gulf of St. Lawrence (Figure 2) at depths of to m (Figure 2) with more than 80% of the cumulative Northern Shrimp biomass found between and m in areas with a bottom temperature of °C to °C (Figure 3). Get this from a library! A preliminary assessment of risks for the ballast water-mediated introduction of nonindigenous marine organisms in the estuary and Gulf of St. Lawrence. [M Harvey; Maurice Lamontagne Institute.; Canada. Department of Fisheries and Oceans.; et al].