Invertebrate sampling

Invertebrate sampling

Detailed Description

USGS scientist collecting one of five subsamples of aquatic invertebrates from a stream riffle by removing invertebrates from a defined area and collecting them with a Surber net. Each subsample is transferred to a bucket for compositing into a single sample for the site.


Image Dimensions: 4000 x 3000

Date Taken:

Location Taken: US