Abstract The seaweed communities that developed on oyster farm gear in the Great Bay Estuary in New Hampshire (NH) were compared to three adjacent natural subtidal habitats: an oyster reef,… Click to show full abstract
Abstract The seaweed communities that developed on oyster farm gear in the Great Bay Estuary in New Hampshire (NH) were compared to three adjacent natural subtidal habitats: an oyster reef, eelgrass bed, and a mudflat. Both farm gear and oyster reefs have received little attention with respect to associated seaweeds. Comparisons were based upon replicate quadrat samples taken during August, and October 2014, plus August 2015. Mean species richness (all dates combined, N = 12) was significantly and substantially lower on the mudflat (2.86 ± 0.56 SE taxa/0.25 m2), but not different among the other three habitats (range: 9.00 ± 0.97 to 11.00 ± 1.41 taxa/0.25 m2). Mean biomass was also statistically different across habitats (P
               
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