Now showing items 1-20 of 38

  • Disease outbreaks associated with recent hurricanes cause mass mortality of sea urchins in Nova Scotia 

    Scheibling, R. E., C. Feehan, and J. -S Lauzon-Guay. 2010. "Disease outbreaks associated with recent hurricanes cause mass mortality of sea urchins in Nova Scotia." Marine Ecology Progress Series 408: 109-116. doi:10.3354/meps08579
    Field observations and laboratory experiments support the hypothesis that disease-induced mass mortality of the sea urchin Strongylocentrotus droebachiensis can be associated with hurricane events that introduce a ...
  • Community Dynamics on a Subtidal Cobble Bed Following Mass Mortalities of Sea Urchins 

    Scheibling, R. E., and B. G. Raymond. 1990. "Community Dynamics on a Subtidal Cobble Bed Following Mass Mortalities of Sea Urchins." Marine Ecology Progress Series 63(2-3): 127-146. doi:10.3354/meps063127
    The macrobenthic community of a shallow subtidal cobble bed at Eagle Head on the Atlantic coast of Nova Scotia [Canada] was monitored from ca 4 mo before to 41 mo after mass mortalities of sea urchins Strongylocentrotus ...
  • Temperature-mediated outbreak dynamics of the invasive bryozoan Membranipora membranacea in Nova Scotian kelp beds 

    Scheibling, Robert E., and Patrick Gagnon. 2009. "Temperature-mediated outbreak dynamics of the invasive bryozoan Membranipora membranacea in Nova Scotian kelp beds." Marine Ecology Progress Series 390: 1-13. doi:10.3354/meps08207
    We used underwater videography to examine seasonal and interannual patterns in the cover (on kelp) of the encrusting epiphytic bryozoan Membranipora membranacea, and associated changes in the structure and abundance of ...
  • Herbivory and community organization on a subtidal cobble bed 

    Scheibling, Robert E., Noreen E. Kelly, and Bruce G. Raymond. 2009. "Herbivory and community organization on a subtidal cobble bed." Marine Ecology Progress Series 382: 113-128. doi:10.3354/meps07965
    We examined the role of molluscan mesograzers (periwinkles Littorina littorea, limpets Testudinalia testudinalis and chitons Ischnochiton ruber) in mediating macroalgal succession after a mass mortality of sea urchins ...
  • Recurrent outbreaks of disease in sea urchins Strongylocentrotus droebachiensis in Nova Scotia: Evidence for a link with large-scale meteorologic and oceanographic events 

    Scheibling, Robert E., and Allan W. Hennigar. 1997. "Recurrent outbreaks of disease in sea urchins Strongylocentrotus droebachiensis in Nova Scotia: Evidence for a link with large-scale meteorologic and oceanographic events." Marine Ecology Progress Series 152(1-3): 155-165. doi:10.3354/meps152155
    Recurrent outbreaks of a disease (paramoebiasis, caused by a marine amoeba Paramoeba invadens) result in mass mortalities of sea urchins Strongylocentrotus droebachiensis in the rocky subtidal zone of the Atlantic coast ...
  • Competitive interactions between the invasive green alga Codium fragile ssp tomentosoides and native canopy-forming seaweeds in Nova Scotia (Canada) 

    Scheibling, Robert E., and Patrick Gagnon. 2006. "Competitive interactions between the invasive green alga Codium fragile ssp tomentosoides and native canopy-forming seaweeds in Nova Scotia (Canada)." Marine Ecology Progress Series 325: 1-14. doi:10.3354/meps325001
    Two concurrent 2 yr experiments were conducted along the Atlantic coast of Nova Scotia (1) to examine competitive interactions between the invasive green alga Codium fragile ssp. tomentosoides and canopy-forming native ...
  • Killer storms: North Atlantic hurricanes and disease outbreaks in sea urchins 

    Scheibling, Robert E., and Jean-Sebastien Lauzon-Guay. 2010. "Killer storms: North Atlantic hurricanes and disease outbreaks in sea urchins." Limnology and Oceanography 55(6): 2331-2338. DOI:10.4319/lo.2010.55.6.2331
    An increase in the incidence of disease in various marine organisms over the past few decades has been linked to ocean climate change. In Nova Scotia, Canada, mass mortalities of sea urchins, due to an amoebic disease, ...
  • Role of grazing by sea urchins Strongylocentrotus droebachiensis in regulating the invasive alga Codium fragile ssp tomentosoides in Nova Scotia 

    Sumi, CBT, and RE Scheibling. 2005. "Role of grazing by sea urchins Strongylocentrotus droebachiensis in regulating the invasive alga Codium fragile ssp tomentosoides in Nova Scotia." Marine Ecology Progress Series 292: 203-212. doi:10.3354/meps292203
    To assess the potential of herbivory in regulating the invasive green alga Codium fragile ssp. tomentosoides, field and laboratory experiments were conducted with the green sea urchin Strongylocentrotus droebachiensis ...
  • Physical and biological factors influencing mussel (Mytilus trossulus, M. edulis) settlement on a wave-exposed rocky shore 

    Hunt, Heather L., and Robert E. Scheibling. 1996. "Physical and biological factors influencing mussel (Mytilus trossulus, M. edulis) settlement on a wave-exposed rocky shore." Marine Ecology Progress Series 142(1-3): 135-145. doi:10.3354/meps142135
    Settlement rates of mussels Mytilus trossulus and M. edulis on artificial collectors (aquarium filter wool) and natural substrata were measured in tidepools and on emergent rock in recently ice-scoured and non-scoured ...
  • Structure and dynamics of mussel patches in tidepools on a rocky shore in Nova Scotia, Canada 

    Hunt, Heather L., and Robert E. Scheibling. 1995. "Structure and dynamics of mussel patches in tidepools on a rocky shore in Nova Scotia, Canada." Marine Ecology Progress Series 124(1-3): 105-115. doi:10.3354/meps124105
    The distribution, size structure, and dynamics of mussel (Mytilus trossulus, M. edulis) patches in tidepools were studied on an exposed rocky shore near Halifax, Nova Scotia, Canada. The mussel patches were dynamic, ...
  • Temporal and spatial variability in settlement and recruitment of echinoderms in kelp beds and barrens in Nova Scotia 

    Balch, Toby, and Robert E. Scheibling. 2000. "Temporal and spatial variability in settlement and recruitment of echinoderms in kelp beds and barrens in Nova Scotia." Marine Ecology Progress Series 205: 139-154. doi:10.3354/meps205139
    Settlement and recruitment of echinoderms were measured in 2 adjacent habitats: a kelp bed (Laminaria longicruris) and an echinoid (Strongylocentrotus droebachiensis)-dominated barren ground at each of 2 sites in the ...
  • Role of early post-settlement mortality in recruitment of benthic marine invertebrates 

    Hunt, Heather L., and Robert E. Scheibling. 1997. "Role of early post-settlement mortality in recruitment of benthic marine invertebrates." Marine Ecology Progress Series 155(0): 269-301. doi:10.3354/meps155269
    Newly settled invertebrates usually are subject to high rates of mortality (Type III survivorship). Therefore, knowledge of early post-settlement events is critical in determining if and when patterns of abundance and ...
  • Predicting wave dislodgment of mussels: variation in attachment strength with body size, habitat, and season 

    Hunt, HL, and RE Scheibling. 2001. "Predicting wave dislodgment of mussels: variation in attachment strength with body size, habitat, and season." Marine Ecology Progress Series 213: 157-164. doi:10.3354/meps213157
    Breaking waves impose large hydrodynamic forces which may dislodge mussels and other organisms living on exposed rocky shores. We examined the effect of variation in attachment strength with size, habitat and season on ...
  • Fatty acids as dietary tracers in benthic food webs 

    Kelly, Jennifer R., and Robert E. Scheibling. 2011. "Fatty acids as dietary tracers in benthic food webs." Marine Ecology Progress Series 446: 1-22. doi:10.3354/meps09559
    Fatty acid (FA) analysis is a well-established tool for studying trophic interactions in marine habitats. However, its application to benthic food webs poses 2 particular challenges. First, unlike pelagic zooplankton, ...
  • Fatty acid profiles in the gonads of the sea urchin Strongylocentrotus droebachiensis on natural algal diets 

    Kelly, Jennifer R., Robert E. Scheibling, Sara J. Iverson, and Patrick Gagnon. 2008. "Fatty acid profiles in the gonads of the sea urchin Strongylocentrotus droebachiensis on natural algal diets." Marine Ecology Progress Series 373: 1-9. doi:10.3354/meps07746
    We examined fatty acid (FA) compositions of gonads of the green sea urchin Strongylocentrotus droebachiensis collected from a grazing aggregation (front) at the edge of a kelp bed and from barrens dominated by coralline ...
  • Procedural effects of prey tethering experiments: Predation of juvenile scallops by crabs and sea stars 

    Barbeau, M. A., and R. E. Scheibling. 1994. "Procedural effects of prey tethering experiments: Predation of juvenile scallops by crabs and sea stars." Marine Ecology Progress Series 111(3): 305-310. doi:10.3354/meps111305
    This study examines the effects of an experimental tethering procedure often used in field predation experiments. In laboratory experiments, juvenile sea scallops Placopecten magellanicus, either free or tethered, were ...
  • Invasion-mediated shifts in the macrobenthic assemblage of a rocky subtidal ecosystem 

    Kelly, Jennifer R., Robert E. Scheibling, and Toby Balch. 2011. "Invasion-mediated shifts in the macrobenthic assemblage of a rocky subtidal ecosystem." Marine Ecology Progress Series 437: 69-78. doi:10.3354/meps09284
    We tracked changes in community composition that occurred with state shifts in the rocky subtidal ecosystem in Nova Scotia, Canada, from 1992 to 2008. At the beginning of our study, a dense aggregation of sea urchins was ...
  • Spatial and temporal variability of patterns of colonization by mussels (Mytilus trossulus, M-edulis) on a wave-exposed rocky shore 

    Hunt, HL, and RE Scheibling. 1998. "Spatial and temporal variability of patterns of colonization by mussels (Mytilus trossulus, M-edulis) on a wave-exposed rocky shore." Marine Ecology Progress Series 167: 155-169. doi:10.3354/meps167155
    Colonization rates of mussels (Mytilus trossulus and M. edulis) were measured on natural substrata in tidepools and on emergent rock in recently ice-scoured and non-scoured regions of a rocky shore near Halifax, Nova ...
  • Non-Occurrence of Free-Living Paramoeba-Invadens in Water and Sediments of Halifax Harbour Nova Scotia Canada 

    Jellett, J. F., J. A. Novitsky, J. A. Cantley, and R. E. Scheibling. 1989. "Non-Occurrence of Free-Living Paramoeba-Invadens in Water and Sediments of Halifax Harbour Nova Scotia Canada." Marine Ecology Progress Series 56(1-2): 205-209. doi:10.3354/meps056205
    Seawater and sediment samples from various sites in or near Halifax Harbour were cultured for Paramoeba as were tissues of the natural sea urchin host Stronglyocentrotus droebachiensis sampled from Halifax Harbour. An ...
  • Structure and Dynamics of Epifaunal Assemblages on Intertidal Macroalgae Ascophyllum-Nodosum and Fucus-Vesiculosus in Nova-Scotia, Canada 

    JOHNSON, SC, and RE SCHEIBLING. 1987. "Structure and Dynamics of Epifaunal Assemblages on Intertidal Macroalgae Ascophyllum-Nodosum and Fucus-Vesiculosus in Nova-Scotia, Canada." Marine Ecology Progress Series 37(2-3): 209-227. doi:10.3354/meps037209
    No abstract available.