CSA and NOAA Case Study on Oil Spill Effects on Seagrass

CSA Ocean Sciences Inc. (CSA) announces the recent online publication in Marine Pollution Bulletin senior authored by Dr. Mark Fonseca, CSA Vice President - Science. Dr. Fonseca worked in collaboration with NOAA staff from both the NOAA National Centers for Coastal Ocean Science and the NOAA Fisheries Restoration Center/Damage Assessment, SW Region to research and draft the article “Susceptibility of seagrass to oil spills: A case study with eelgrass, Zostera marina in San Francisco Bay, USA.”

Since the MC-252 oil spill in the Gulf of Mexico, there has been renewed interest regarding the impact of oil on ecosystem health. This paper summarizes existing literature on seagrass response to oiling, including both field and laboratory studies, which revealed inconsistent responses of seagrasses to oil exposure. Dr. Fonseca and his collaborators added a case study to examine the potential oiling impacts to eelgrass (Zostera marina) from the 2007 Cosco Busan event in San Francisco Bay. Neither long-term integrators of seagrass response (seagrass shoot densities and percent elongation of rhizome internodes) or a short-term indicator (seagrass photosynthetic efficiency) had consistent relationships to local shoreline cleanup assessment team (SCAT) oiling categories. It was concluded that seagrasses lag behind other coastal ecosystems in our understanding of their tolerance to oiling and dispersants and that conclusive studies examining the influence of degree and duration of oil exposure on seagrasses remain lacking.

For more information on this article or regarding our habitat mitigation services, please visit www.csaocean.com or contact Dr. Mark Fonseca (772-219-3065).

Online Article Citation: Fonseca, M., G.A. Piniak, and N.Cosentino-Manning. 2016. Susceptibility of seagrass to oil spills: A case study with eelgrass, Zostera marina in San Francisco Bay, USA. Marine Pollution Bulletin.

CSA Ocean Sciences Inc. specializes in consulting services for federal, state, and private industry clients in multidisciplinary projects, integrating science and technology to evaluate environmental activities throughout the world. CSA offers a wide variety of services related to environmental management and community planning to support clients working in marine, estuarine, wetland, freshwater, and terrestrial habitats throughout the United States and overseas.

CSA Ocean Sciences Inc. is a wholly owned subsidiary of Continental Shelf Associates, Inc. and has no affiliation with Canadian Standards Association.

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