Map of sampled sites for May–August 2019 with ecoregion boundaries (Cape Cod and Cape Hatteras) and ecoregion labels: 1 = Durham, NH; 2 = Provincetown, MA; 3 = Millway Beach, MA; 4 = Sandy Point, RI; 5 = Warwick, RI; 6 = New Haven, CT; 7 = Bridgeport, CT; 8 = Northport, NY; 9 = Tuckerton, NJ; 10 = Chincoteague, VA; 11 = Quinby, VA; 12 = Ocracoke Island, NC; 13 = Harkers Island, NC; 14 = Wilmington, NC; 15 = Fort Fisher, NC; 16 = Georgetown, SC; 17 = Fort Johnson, SC. The pie pieces represent composition of free-living macroinvertebrates for each site (see species key). NCC = North of Cape Cod; VP = Virginian Province; SCH = South of Cape Hatteras. For the complete list of sampled sites and details, see Suppl. material 1: table S1.

 
 
  Part of: Lee TS, Fowler AE, Krueger-Hadfield SA, Gabriel C, Blakeslee AMH (2025) Biogeographic patterns of community diversity associated with an introduced alga. In: Fowler A, Robinson T, Bortolus A, Canning-Clode J, Therriault T (Eds) Proceedings of the 11th International Conference on Marine Bioinvasions. Aquatic Invasions 20(1): 127-151. https://doi.org/10.3391/ai.2025.20.1.134814