Recent Submissions

  • Measured and Observed Backscatter from Particles Greater than 100mum 

    Hildebrand, E. N., P. S. Hill, J. Cullen, T. G. Milligan, et al. 2000. "Measured and Observed Backscatter from Particles Greater than 100mum." 2000 Ocean Sciences Meeting, San Antonio, TX (USA), 24-28 Jan 2000.
    The fraction of light scattered into the backward direction by particles suspended in natural waters is integral for remote sensing and the measurement of diffuse reflectance. Previous theoretical studies have found that ...
  • Spectral Backscatter of Marine Flocs Composed of Diatoms and Drilling Muds 

    Hatcher, A. I., P. Hill, and J. Grant. 2000. "Spectral Backscatter of Marine Flocs Composed of Diatoms and Drilling Muds." 2000 Ocean Sciences Meeting, San Antonio, TX (USA), 24-28 Jan 2000.
    In marine waters the majority of particulate material exists as flocs, which have optical characteristics different than the individual particles that compose them. Light scattering by flocs is extremely complex, with a ...
  • Modelling approaches to dredging impacts and their role in scallop population dynamics 

    Grant, J.. 2000. "Modelling approaches to dredging impacts and their role in scallop population dynamics." A Workshop Examining Potential Fishing Effects on Population Dynamics and Benthic Community Structure of Scallops with Emphasis on the Weathervane Scallop Patinopecten caurinus in Alaskan Waters: 27-36.
    The dramatic decline in many coastal and shelf fisheries worldwide has focused attention on fishing methods and their potential to impact benthic habitats. These concerns extend to the mortality of target species that do ...
  • Potential effects of produced water discharges on the early life stages of three resource species 

    Querbach, K., G. Maillet, PJ Cranford, C. Taggart, et al. 2005. "Potential effects of produced water discharges on the early life stages of three resource species." Offshore Oil and Gas Environmental Effects Monitoring Workshop: 371.
    Acute and chronic effects of exposure to produced water (PW) from offshore drilling were quantified for the early life stages of haddock (Melanogrammus aeglefinus), lobster (Homarus americanus), and sea scallop (Placopecten ...
  • Kinetics of diarrhetic shellfish toxins in the bay scallop, Argopecten irradians 

    Bauder, A. G., J. Grant, AD Cembella, and MA Quilliam. 1996. "Kinetics of diarrhetic shellfish toxins in the bay scallop, Argopecten irradians." Journal of Shellfish Research 15(2): 501-502.
    Diarrhetic shell poisoning (DSP) is a worldwide public health risk which also constitutes an economic threat to the commercial harvest of shellfish. Bivalve molluscs can acquire DSP toxins by ingesting toxic dinoflagellates ...
  • The effect of laboratory diet conditioning on tissue and gonad growth in the sea scallop Placopecten magellanicus 

    Grant, J., and P. J. Cranford. 1989. "The effect of laboratory diet conditioning on tissue and gonad growth in the sea scallop Placopecten magellanicus." 23. European Marine Biology Symp., Swansea (UK), 5-9 Sep 1988.
    Sea scallops (Placopecten magellanicus ) from Georges Bank were fed a variety of diets to examine the effects of nutrition on gonad and tissue growth in hatchery broodstock. Experimental diets included cultured phytoplankton ...
  • Depth effects on the growth of Placopecten magellanicus in suspended culture: Resuspension, food quality and temperature 

    Emerson, C., and J. Grant. 1992. "Depth effects on the growth of Placopecten magellanicus in suspended culture: Resuspension, food quality and temperature." Journal of Shellfish Research 11(1): 194.
    As part of the Ocean Production Enhancement Network the growth of sea scallops (Placopecten Magellanicus ) was measured in conjunction with numerous oceanographic variables to determine optimal conditions for culture in ...
  • Habitat models for species at risk in the Bay of Fundy 

    Baldwin, M., J. Grant, J. Crocker, and R. Stephenson. 2010. "Habitat models for species at risk in the Bay of Fundy." Canadian technical report of fisheries and aquatic sciences/Rapport technique canadien des sciences halieutiques et aquatiques: 21-22.
    A joint research program between DFO and Dalhousie University seeks to determine the best approach to habitat modelling, define relevant spatially-located, ecogeographic variables (EGV), and undertake habitat definition ...
  • Seston supply to scallops in suspended culture 

    Pilditch, CA, J. Grant, AL Mallet, CEA Carver, et al. 1996. "Seston supply to scallops in suspended culture." Journal of Shellfish Research 15(2): 504.
    The filtration activity of dense aggregations of bivalves can locally deplete the water of seston resulting in food limited growth. Under these conditions, the currents that supply seston cannot offset seston removal due ...
  • Particle aggregates in seston and their role in bivalve particle selection 

    Grant, J., and M. Nickerson. 1999. "Particle aggregates in seston and their role in bivalve particle selection." Journal of Shellfish Research: 300.
    Natural suspended particles consist of a complex mixture of phytoplankton, detritus, and inorganic material. A persistent feature of marine particles in that they exist as aggregates which make the characterization of food ...
  • Field and modelling studies of bivalve culture in a boreal environment 

    Grant, J., and CA Pilditch. 1996. "Field and modelling studies of bivalve culture in a boreal environment." Journal of Shellfish Research 15(2): 503.
    In northern climates, the spring phytoplankton bloom inevitably occurs during periods of low water temperatures. Based on temperature functions of feeding, bivalves cultured under these conditions (e.g. Mytilus edulis in ...
  • A model of carrying capacity for suspended mussel culture in eastern Canada 

    Grant, J., and K. R. Thompson. 1988. "A model of carrying capacity for suspended mussel culture in eastern Canada." Journal of Shellfish Research 7(3): 568.
    Rapid growth of mussel (Mytilus edulis ) aquaculture in the Maritimes has placed increasing demands on resources in coastal waters. The carrying capacity of coastal sites for suspended mussel culture is modeled and criteria ...
  • The development of a microparticulate diet for nutrition physiology research with the sea scallop, Placopecten magellanicus 

    Kean-Howie, J. C., R. K. O'Dor, and J. Grant. 1989. "The development of a microparticulate diet for nutrition physiology research with the sea scallop, Placopecten magellanicus." Bulletin of the Aquaculture Association of Canada.
    A microparticulate diet has been developed and tested with juvenile Placopecten magellanicus . The diet formulation is contained in an alginate capsule. First, ingestion was tested using a fluoresbrite super(TM) bead tracer. ...
  • Integration of modeling and GIS in studies of carrying capacity for bivalve aquaculture 

    Grant, J., M. Archambault, C. Bacher, and P. Cranford. 2003. "Integration of modeling and GIS in studies of carrying capacity for bivalve aquaculture." Journal of Shellfish Research 22(1): 332.
    Estimation of carrying capacity for bivalve culture is important in predicting the effect of the environment on culture yield, as well as the effect of culture on the environment. Areas of Prince Edward Island (Canadian ...
  • Modelling resuspension and its effects on bivalve food supplies 

    Grant, J., and C. Bacher. 1999. "Modelling resuspension and its effects on bivalve food supplies." Journal of Shellfish Research: 308.
    Many models of shellfish growth in culture are based on food supplies being a primary determinant of growth. The representation of suspended food in these models is difficult because seston is a mixture of phytoplankton, ...
  • Indices of coastal ecosystem health: a new paradigm 

    Grant, J., M. Dowd, and G. Chiu. 2010. "Indices of coastal ecosystem health: a new paradigm." Canadian technical report of fisheries and aquatic sciences/Rapport technique canadien des sciences halieutiques et aquatiques: 88.
    In Canada, regulation of coastal impacts has in many cases taken a geochemical approach, e.g. using sulfides as an indicator of hypoxic conditions from organic loading. This has been applied widely in the regulation of ...
  • Benthic metabolism and the quality of sediment organic carbon 

    Grant, J., and B. T. Hargrave. 1987. "Benthic metabolism and the quality of sediment organic carbon." Biological Oceanography 4(3).
    Changes in oxygen take of sediment cores incubated in the laboratory and receiving no particulate input were used to examine the utilization of labile organic carbon by the benthos. A model is described that predicts a ...
  • Preliminary models of seston depletion and growth variation in cultured mussels 

    Grant, J.. 1999. "Preliminary models of seston depletion and growth variation in cultured mussels." Bulletin of the Aquaculture Association of Canada: 5-8.
    The culture of bivalves in coastal waters is dependent on the supply of suspended food sources which become limiting under high culture density. Simulation models have been used to describe the energetics of bivalves in ...
  • Benthic-Pelagic Coupling in the Northwater (NOW) Polynya (Baffin Bay) 

    Adler, D., J. Grant, B. Hargrave, and P. Macpherson. 2000. "Benthic-Pelagic Coupling in the Northwater (NOW) Polynya (Baffin Bay)." 2000 Ocean Sciences Meeting, San Antonio, TX (USA), 24-28 Jan 2000.
    The predictability and intensity of distinct localized pulses of organic matter associated with polynya regions provide an excellent opportunity to investigate benthic-pelagic coupling. Quantifying the exchange of carbon ...
  • Quantifying erosion rates and stability of bottom sediments at mussel aquaculture sites in Prince Edward Island, Canada 

    Walker, Tony R., and Jon Grant. 2009. "Quantifying erosion rates and stability of bottom sediments at mussel aquaculture sites in Prince Edward Island, Canada." Journal of Marine Systems 75(1-2): 46-55.

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