BIOL 311 - COASTAL MARINE ECOLOGY

St. Francis Xavier University (Antigonish, Nova Scotia, Canada)
 



Professor: Dr. Ricardo A. Scrosati (Full Professor)
Office: BB 335-J
Phone: 867-5289
Email: rscrosat@stfx.ca
 

Marine Ecology Lab webpage: click here.

Course Syllabus: click here.

Guidelines for Field Project: click here.

Guidelines for Literature Project: click here.

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- Lecture Figures (large PDF file): click here.
       
- Intertidal zone: click here.
- Mussel-seastar system: click here.
- Cages: click here.

- Manipulative and mensurative experiments testing the same hypothesis and yielding the same results:
  Bioengineer effects on biodiversity along environmental stress gradients: click here.
   
- Tor Bay Provincial Park, Atlantic coast of Nova Scotia: click here.
   
- Biogeographic regions: click here.
   
- Tides website: click here.
- Tides in the upper Bay of Fundy: click here
     
- Absorption spectrum of algal photosynthetic pigments: click here.
    
- Waves - Particle motion: click here.  Pacific and Atlantic waves: click here.
    
- Adaptive significance of clonality for intertidal seaweeds: click here.
      
- Algae: click here.
- Herbivores: click here.
- Filter-feeders. 
Barnacles: click here.  Barnacles and mussels: click here.
- Predators: click here.
    
- Biological zonation: click here.
       
- Intertidal biodiversity on the NE Pacific coast (British Columbia): click here.
- Intertidal biodiversity on the SE Pacific coast (Chile): click here.

    
- Environmental stress model of community organization: click here.
    
- Benthic-pelagic coupling along the Atlantic coast of Nova Scotia: click here.
     
- Statistical analyses:
  t-test, one-way ANOVA, correlation

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Course papers

Note: The pdf links shown below are only for the use of BIOL311 students, in agreement with the Fair Dealing provision in the Copyright Act.

Arribas, L.P., L. Donnarumma, M.G. Palomo & R.A. Scrosati 2014. Intertidal mussels as ecosystem engineers: their associated invertebrate biodiversity under contrasting wave exposures. Marine Biodiversity 44: 203-211. pdf

Beermann, A.J., J.A. Ellrich, M. Molis & R.A. Scrosati 2013. Effects of seaweed canopies and adult barnacles on barnacle recruitment: the interplay of positive and negative influences. Journal of Experimental Marine Biology and Ecology 448: 162-170. pdf

Boizard, S.D. & R.E. DeWreede 2006. Inexpensive water motion measurement devices and techniques and their utility in macroalgal ecology: a review. ScienceAsia 32: 43-49. pdf

Bruno J.F., J.J. Stachowicz & M.D. Bertness 2003. Inclusion of facilitation into ecological theory. Trends in Ecology and Evolution 18: 119-125. pdf

Buschmann, A.H. & A. Bravo 1990. Intertidal amphipods as potential dispersal agents of carpospores of Iridaea laminarioides (Gigartinales, Rhodophyta). Journal of Phycology 26: 417-420. pdf

Cole, S.W.B., R.A. Scrosati, J.C. Tam & A.V. Sussmann 2011. Regional decoupling between NW Atlantic barnacle recruit and adult density is related to changes in pelagic food supply and benthic disturbance. Journal of Sea Research 65: 33-37. pdf

Connolly, S.R., B.A. Menge & J. Roughgarden 2001. A latitudinal gradient in recruitment of intertidal invertebrates in the northeast Pacific Ocean. Ecology 82: 1799-1813. pdf

Ellrich, J.A., R.A. Scrosati & M. Molis 2015a. Predator nonconsumptive effects on prey recruitment weaken with recruit density. Ecology 96: 611-616. pdf

Ellrich, J.A., R.A. Scrosati & W. Petzold 2015b. Predator density affects nonconsumptive predator limitation of prey recruitment: field experimental evidence. Journal of Experimental Marine Biology and Ecology 472: 72-76. pdf

Grosholz, E. 2002. Ecological and evolutionary consequences of coastal invasions. Trends in Ecology and Evolution 17: 22-27. pdf

Jackson, J.B.C. et al. 2001. Historical overfishing and the recent collapse of coastal ecosystems. Science 293: 629-638. pdf

Johnson, M.P. 2001. Metapopulation dynamics of Tigriopus brevicornis (Harpacticoida) in intertidal rock pools. Marine Ecology Progress Series 211: 215-224. pdf

Johnston, B.R., M. Molis & R.A. Scrosati 2012. Predator chemical cues affect prey feeding activity differently in juveniles and adults. Canadian Journal of Zoology 90: 128-132. pdf

Keppel, E.A., R.A. Scrosati & S.C. Courtenay 2015. Interactive effects of ocean acidification and warming on subtidal mussels and sea stars from Atlantic Canada. Marine Biology Research 11: 337-348. pdf

Laska, M.S. & J.T. Wootton 1998. Theoretical concepts and empirical approaches to measuring interaction strength. Ecology 79: 461-476. pdf

Menge, B.A. 1995. Indirect effects in marine rocky intertidal interaction webs: patterns and importance. Ecological Monographs 65: 21-74. pdf

Menge, B.A. & D.N.L. Menge 2013. Dynamics of coastal meta-ecosystems: the intermittent upwelling hypothesis and a test in rocky intertidal regions. Ecological Monographs 83: 283-310. pdf

Molis, M., R.S. Scrosati, E.F. El-Belely, T. Lesniowski & M. Wahl 2015. Wave-induced changes in seaweed toughness entail plastic modifications in snail traits maintaining consumption efficacy. Journal of Ecology 103: 851-859. pdf   Highlighted by the journal: pdf

Molis, M., I. Preuss, A. Firmenich & J. Ellrich 2011. Predation risk indirectly enhances survival of seaweed recruits but not intraspecific competition in an intermediate herbivore species. Journal of Ecology 99: 807-817. pdf

Raffaelli, D. 2000. Trends in research on shallow water food webs. Journal of Experimental Marine Biology and Ecology 250: 223-232. pdf

Roberts, C.M., J.A. Bohnsack, F. Gell, J.P. Hawkins & R. Goodridge 2001. Effects of marine reserves on adjacent fisheries. Science 294: 1920-1923. pdf

Petzold, W., M.T. Willers & R.A. Scrosati 2014. Visual record of intertidal disturbance caused by sea ice in the spring on the Atlantic coast of Nova Scotia. F1000Research 3: 112. link

Petzold, W. & R.A. Scrosati 2014. Differential recolonization of Atlantic intertidal habitats after disturbance reveals potential bottom-up community regulation. F1000Research 3: 247. link

Ruiz, G.M., P.W. Fofonoff, J.T. Carlton, M.J. Wonham & A.H. Hines 2000. Invasion of coastal marine communities in North America: apparent patterns, processes, and biases. Annual Review of Ecology and Systematics 31: 481-531. pdf

Sagarin, R. & A. Pauchard 2010. Observational approaches in ecology open new ground in a changing world. Frontiers in Ecology and the Environment 8: 379–386. pd

Scrosati, R. & R.E. DeWreede 1998. The impact of frond crowding on frond bleaching in the clonal intertidal alga Mazzaella cornucopiae (Rhodophyta, Gigartinaceae) from British Columbia, Canada. Journal of Phycology 34: 228-232. pdf

Scrosati, R. & R.E. DeWreede 1999. Demographic models to simulate the stable ratio between ecologically similar gametophytes and tetrasporophytes in populations of the Gigartinaceae (Rhodophyta). Phycological Research 47: 153-157. pdf

Scrosati, R. & L.K. Eckersley 2007. Thermal insulation of the intertidal zone by the ice foot. Journal of Sea Research 58: 331-334. pdf

Scrosati, R.A. & J.A. Ellrich 2016. A 12-year record of intertidal barnacle recruitment in Atlantic Canada (2005-2016): relationships with sea surface temperature and phytoplankton abundance. PeerJ 4: e2623. pdf

Scrosati, R.A. & J.A. Ellrich 2018. Benthic-pelagic coupling and bottom-up forcing in rocky intertidal communities along the Atlantic Canadian coast. Ecosphere 9: article e02229. pdf

Scrosati, R. & C. Heaven 2006. Field technique to quantify intensity of scouring by sea ice in rocky intertidal habitats. Marine Ecology Progress Series 320: 293-295. pdf

Scrosati, R. & C. Heaven 2007. Spatial trends in community richness, diversity, and evenness across rocky intertidal environmental stress gradients in eastern Canada. Marine Ecology Progress Series 342: 1-14. pdf

Scrosati, R.A., B. van Genne, C.S. Heaven & C.A. Watt 2011. Species richness and diversity in different functional groups across environmental stress gradients: a model for marine rocky shores. Ecography 34: 151-161. pdf

Sousa, W.P. 1979. Disturbance in marine intertidal boulder fields: the nonequilibrium maintenance of species diversity. Ecology 60: 1225-1239. pdf

Tam, J.C. & R.A. Scrosati 2011. Mussel and dogwhelk distribution along the northwest Atlantic coast: testing predictions derived from the abundant-centre model. Journal of Biogeography 38: 1536-1545. pdf

Tam, J.C. & R.A. Scrosati 2014. Distribution of cryptic mussel species (Mytilus edulis and M. trossulus) along wave exposure gradients on northwest Atlantic rocky shores. Marine Biology Research 10: 51-60. pdf

Underwood, A.J. 1991. The logic of ecological experiments: a case history from studies of the distribution of macroalgae on rocky intertidal shores. Journal of the Marine Biological Association of the United Kingdom 71: 841-866. pdf

Watt, C.A. & R.A. Scrosati 2013. Bioengineer effects on understory species richness, diversity, and composition change along an environmental stress gradient: experimental and mensurative evidence. Estuarine, Coastal and Shelf Science 123: 10-18. pdf

Zwerschke, N., M. Bollen, M. Molis & R.A. Scrosati 2013. An environmental stress model correctly predicts unimodal trends in overall species richness and diversity along intertidal elevation gradients. Helgoland Marine Research 67: 663-674. pdf



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- Sea ice: click here.
- Other benthic animals from rocky shores: click here.
- Clonal and unitary seaweeds: click here.
- Eelgrass habitats: click here.
- Salt marsh habitats: click here.
- Intertidal boulder field: click here.  
- Population dynamics of clonal and unitary seaweeds: click here.

- Algal life-history modelling: click here.
- Losing it!... objectivity and rigour in ecology: Foster (1990), Paine (1991), Foster (1991).
- Predator nonconsumptive effects on prey: click here.
- Biological invasions: lecture 1 - lecture 2 - lecture 3
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