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Haverstraw Bay Benthic Habitat Characterization, Robert M. Cerrato, Alison M. Flanagan, Roger D. Flood
Haverstraw Bay Benthic Habitat Characterization, Robert M. Cerrato, Alison M. Flanagan, Roger D. Flood
School of Marine & Atmospheric Sciences Faculty Publications
High-resolution backscatter and bathymetric maps created by multibeam and sidescan sonar surveys were used to identify five different seafloor bottom types within Haverstraw Bay. Grab samples were collected within these areas to characterize sediment properties and macrofauna. Selected sampling locations were revisited and seafloor images were obtained with an HD underwater camera. Multivariate analysis was used to identify the most important factors explaining variations in community structure. Results indicated that categorical variables defining bottom types, grain size, and water depth can explain about 42% of community structure variation. In addition, shell length data collected for Rangia cuneata, an introduced …