Pebble count-based semi-continuous bed surface sediment grain size measurements from mussel habitats in the Big River, Missouri
Pebble counts were performed to assess the bed surface grain size distribution at five delineated mussel habitats in the Big River, Missouri. These data were collected in support of research assessing the mussel communities and characteristics of freshwater mussel habitats in the Big River (Albers and others, 2016; …