Seagrass

Pihl

Baden, S., Gullstro¨m, M., Lunde´n, B., Pihl, L., Rosenberg, R., 2003. Vanishing seagrass (Zostera marina) in Swedish coastal waters. Ambio 32, 374e377.

Shows extent of loss over between two time periods. Time period might be longer than what we are looking for. Discusses implications

Ferrell, D.J., Bell, J.D., 1991. Differences among assemblages of fish associated with Zostera caricorni and bare sand over a large spatial scale. Marine Ecology Progress Series 72, 15e24.

Compares species density between seagrass and bare sand. Not a regime change, but might shed light on services lost

Hughes, J.E., Deegan, L.A., Wyda, J.C., Weaver, M.J., Wright, A., 2002. The effects of eelgrass habitat loss on estuarine fish communities of southern New England. Estuaries 25, 235e249.

Study of eelgrass loss and fish abundance with data on each. Time span might be longer than what we are looking for.

Jenkins, G.P., May, H.M.A., Wheatley, M.J., Halloway, M.G., 1997. Comparison of fish assemblages associated with seagrass and adjacent unvegetated habitats of Port Philip Bay and Corner inlet, Victoria, Australia, with emphasis on commercial species. Estuarine, Coastal and Shelf Science 44, 569e588.

Similar to Ferrell with a focus on commercial species.

Lazzari, M.A., 2002. Epibenthic fishes and decapod crustaceans in northern estuaries: a comparison between vegetated and unvegetated habitats in Maine. Estuaries 25, 1210e1218.

Similar to Ferrell

Short, F.T., Wyllie-Echeverria, S., 1996. Natural and human-induced disturbances of seagrasses. Environmental Conservation 23, 17e27.

Cannot retrieve, but looks like a good background paper. (requested 3/20)

van der Heide

Yamamuro

McClelland

Hauxwell

Bowen JL, Valiela I (2001) The ecological effects of urbanization of coastal watersheds: Historical increases in nitrogen loads and eutrophication of Waquoit Bay estuaries. Can J Fish Aquat Sci 58:1489–1500

Long time scale, but a good example of a human induced regime shift.

Short FT, Burdick DM (1996) Quantifying eelgrass habitat loss in relation to housing development and nitrogen loading in Waquoit Bay, Massachusetts. Estuaries 19:730–739

Similar to Bowen and Valiela, but shorter time scale (5 yrs).

Twilley RR, Kemp WM, Staver KW, Stevenson JC, Boynton WR (1985) Nutrient enrichment of estuarine communities. 1. Algal growth and effects on production of plants and associated communities. Mar Ecol Prog Ser 23:179–191

Experimental study, not sure if this constitutes a permanent regime shift.

Fourqurean

CambridgeM, . L. and McComb,A . J. 1984. The loss of sea grasses in Cockbur Sound,W esternA ustraliaI. The time course and magnitude of seagrass decline in relation to industriadl evelopment-. Aquat.B ot. 20: 229-243.

Long-term changes attributed to coastal development and nutrient loading.

Ferguson

BREWSTER-WINGARD, G.L.; ISHMAN, S.E., and HOLMES, C.W., 1998. Environmental impacts on the South Florida coastal waters: a history of change in Florida Bay. Journal of Coastal Research, 26,162–172

I cannot access this article. It is in a special issue and I cannot seem to find even an abstract available online. (requested 3/20)

Deegan

Cambridge ML, Chiffings AW, Brittan C, Moore L, McComb AJ. 1986. The loss of seagrass in Cockburn Sound, Western Australia. II. Possible causes of seagrass decline. Aquatic Botany 24: 269–285.

Investigates some of the possible causes for seagrass decline documented in the other Cambridge AB paper.

Bernard

Cardoso, P.G., Pardal, M.A., Lillebø, A.I., Ferreira, S.M., Raffaelli, D., Marques, J.C., 2004. Dynamic changes in seagrass assemblages under eutrophication and implications for recovery. Journal of Experimental Marine Biology and Ecology 302, 233e248.

Looks at two-year changes in benthic community structure in response to eutrophication. Not sure if this qualifies as a shift.

De Casabianca, M.L., Rabotin, M., Rigault, R., 2003. Preliminary results on eelgrass regression and red seaweed dominance under increasing eutrophication (Thau Lagoon, France). Acta Adriatica 44, 33e40.

Compares three sites along a gradient of nutrient enrichment. Not sure if this qualifies as a shift. Could not access full document (requested 3/20)

Castel

Frederiksen

Johnson

Reise

No - Beukema JJ, Cade´e GC (1996) Consequences of the sudden removal of nearly all mussels and cockles from the Dutch Wadden Sea. P.S.Z.N. I: Mar Ecol 17:279–289

Looks like a good candidate, but cannot retrieve. (requested 3/20)

Rivers

Baldwin JR, Lovvorn, JR (1994) Expansion of seagrass habitat by the exotic Zostera japonica, and its use by dabbling ducks and brant in Boundary Bay, British Columbia. Mar Ecol Prog Ser 103:119–127

Invasive took over unvegitated mudflats. 30 year observations, but colonization was on a smaller temporal scale.

Percival SM, Sutherland WJ, Evans PR (1998) Intertidal habitat loss and wildfowl numbers: applications of a spatial depletion model. J Appl Ecol 35:57–63

Considers loss of salt marsh and the effects on geese populations, affects on hunting opportunities are also considered.

Smith

Crowe, T.P., R.C. Thompson, S. Bray, and S.J.Hawkins. 2000. Impacts of anthropogenic stress on rocky intertidal communities. J. Aquatic. Ecosyst. Stress and Recov. 7: 273-297.

Review paper, contains some qualitative analysis.

M. J. KAISER, K. RAMSAY, C. A. RICHARDSON, F. E. SPENCE and A. R. BRAND*. 2000. Chronic Fishing disturbance has changed shelf sea benthic community structure. Journal of Animal Ecology.

Looks at impact of bottom fishing on benthic community structure.

Lapointe, B. E., D. A. Tomasko, and W. R. Matzie. 1994. Eutrophication and trophic state classification of seagrass communities in the Florida Keys. Bull. Mar. Sci. 54: 696-717.

Another gradient analysis, similar to DiCasabianca. Comparing vegetation. Cannot retrieve full article. (retrieved 3/20)

Lapointe, B. E.,'. W. R. Matzie. and P. J. Barile. 2002. Biotic phase-shifts in Florida Bay and fore reef communities of the Florida Keys: linkages with historical freshwater flows and nitrogen

loading from Everglades runoff. Pages 626-648 in J. W. Porter and K. G. Porter, eds.

The Everglades. Florida Bay, and Coral Reefs of the Florida Keys: an ecosystem sourcebook.

CRC Press. Boca Raton.

Cannot retrieve (book section).

Robblee

Kemp, W. M., Twilley, R. R., Stevenson, J. C., Boynton, W. R., Means, J. C. (1983). The decline of submerged vascular plants in upper Chesapeake Bay: summary of results concerning possible causes. J. mar. technol. Soc. 17: 78-85

Ranks drivers of submerged aquatic vegetation loss in CB. Synthesis of previous work. Cannot retrieve full article. (requested 3/20)

Badalamenti F., Di Carlo G., D’Anna G., Gristina M., Toccaceli M. (2006) Effects of dredging activities on population dynamics of Posidonia oceanica (L.) Delile in the Mediterranean sea: the case study of Capo Feto (SW Sicily, Italy). Hydrobiologia, 555, 253–261.

Looks at the building of a pipeline and effects on seagrass communities... probably not a full shift, but rather a decrease in primary production.

Delgado O., Grau A., Pou S., Riera F., Massuti C., Zabala M., Ballesteros E. (1997) Seagrass regression caused by fish cultures in Fornells Bay (Menorca, Western Mediterranean). Oceanologica Acta, 20, 557–563.

Looks like a good candidate. Aquaculture had significant effects on seagrass beds, sometimes destroying them. Could not retrieve full article. (requested 3/20)

Delgado O., Ruiz J.M., Pe´rez M., Romero J., Ballesteros E. (1999) Effects of fish farming on seagrass (Posidonia oceanica) in a Mediterranean bay: seagrass decline after organic loading cessation. Oceanologica Acta, 22(1), 109–117.

Looks similar to the one above. Not sure if constitutes a permanent shift.

Pergent-Martini C., Pergent G. (1995) Impact of a Sewage Treatment Plant on the Posidonia oceanica meadow: assessment criteria. Proceedings of the Second International Conference on the Mediterranean Coastal Environment MEDCOAST ‘95: 1389–1399.

Possibly, but could not access full article. Looks like an expansion of sea grasses... possibly into unvegetated mud flats?

Ruiz J.M., Romero J. (2003) Effects of disturbances caused by coastal constructions on spatial structure, growth dynamics and photosynthesis of the seagrass Posidonia oceanica. Marine Pollution Bulletin, 46, 1523–1533.

Another gradient analysis, this time looking at distance from coastal construction.

Ruiz J.M., Pe´res M., Romero J. (2001) Effect of fish farm loadings on seagrass (Posidonia oceanica) distribution, growth and photosynthesis. Marine Pollution Bulletin, 42(9), 749–760.

Gradient analysis. Probably not a regime shift.

Sanchez-Jerez B., Ramon-Espla` A.A. (1996) Detection of environmental impacts by bottom trawling on Posidonia oceanica (L.) Delile meadows: sensitivity of fish and macrobenthic communities. Journal of Aquatic Ecosystem Health, 5, 239–253.

Considers ecosystem-level changes in a seagrass meadow in response to bottom- trawling. Probably not a full regime shift.

Hale

ZIMMERMAN, M. S. AND R. J. LI\rn~OSTON. 1976. The effects of ks'aft mill effluents on benthic macrophyte assemblages in a shallow bay system (Apaladlee Bay, North Fiorida, U.S.A.). Ma~'ine Biology 34:297-312.

Possibly... definitely succession, but it seems by another seagrass species.

Kendrick

Long

Walker, D.I. and McComb, A.J. (1992). Seagrass degradation in Australian coastal waters.

Marine Pollution Bulletin, 25(5-8): 191-195.

A review. No new data, but a good, short look at drivers and consequences of seagrass loss in Australia.

Onuf

Orth RJ. Moore KA (1983) Chesapeake Bay: an unprecedented decline in submerged aquatic vegetation. Science 222:51-53

Long-term loss of SAV in Chesapeake.