Factors affecting surf zone phytoplankton production in Southeastern North Carolina, USA
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ArticleKAUST Department
Reef Ecology LabDate
2017-07-15Permanent link to this record
http://hdl.handle.net/10754/625217
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Abstract: The biomass and productivity of primary producers in the surf zone of the ocean beach at Wrightsville Beach, North Carolina, USA, were measured during all seasons, along with environmental parameters and nutrient levels. Variation in biomass (chlorophyll a) was associated with temperature. Primary production (PP), measured by in situ 14-C incubations, was a function of chlorophyll a, tide height at the start of incubations, and rainfall in the preceding 24-hr period. Biomass-normalized production (PB) was also a function of tide height and rainfall in the preceding 24-hr period. We interpreted these results as evidence of surf production 1) as combined contributions of phytoplankton and suspended benthic microalgae, which may confound application of simple P-E models to surf zone production, and 2) being regulated by nutrient source/supply fluctuations independently from other factors. Surf zone biomass and production levels are intermediate between relatively high estuarine values and much lower coastal ocean values. Surf zone production may represent an important trophic connection between these two important ecosystems.Citation
Cahoon LB, Bugica K, Wooster MK, Dickens AK (2017) Factors affecting surf zone phytoplankton production in Southeastern North Carolina, USA. Estuarine, Coastal and Shelf Science. Available: http://dx.doi.org/10.1016/j.ecss.2017.07.012.Sponsors
Stella D. Smith and Chad McPeters assisted with field work. Melissa Smith contributed her graphics skills. Portions of this research were supported by the University of North Carolina Sea Grant College Program, R/MER-56 (NOAA award NA06OAR4170104), and by a UNC Wilmington/Center for Marine Science Pilot Project award that supported K. Bugica. We thank two anonymous reviewers for constructive comments.Publisher
Elsevier BVISSN
0272-7714Additional Links
http://www.sciencedirect.com/science/article/pii/S0272771417302780ae974a485f413a2113503eed53cd6c53
10.1016/j.ecss.2017.07.012