You may want to contact the USEPA about the NARS program data, that
includes the NCCA, National coastal condition assessment data - see this
site:
https://www.epa.gov/national-aquatic-resource-surveys/data-national-aquatic-resource-surveys
Their data were not subsampled, and I believe biomass may
Does anyone know of any large databases or datasets that contain
species-specific (or genus-specific) paired biomass and abundance data from
benthic invertebrate community samples? I am interested in surveys from all
types of water and substrate, although I am most interested in Northeast US
