Benthic Grab Samples

Multiple providers

Overview

This collection contains point samples collected by sediment grabs (usually Ponar or Shipek) and analyzed to identify biota within and attached to the bottom. These data only exist for soft substrate areas because of the limitations of collecting on hard or rock surfaces. Biota are normally reported by taxonomic groups at the lowest practical identification level (LPIL). The data are often collected at various locations within a project area, determined by a systematic pattern or local environmental factors (substrate type, depth, etc.).

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