Book "Amphibians of Oregon, Washington and BC" Turbidity Testing This affordable and precise logger

This affordable and precise logger is recommended for aquatic biology and hydrology research projects

The sampler descends horizontally and is closed at the desired depth using a messenger

reliable and accurate way to ensure that your turbidity meter is performing to manufacturer specifications

The transparent acrylic body provides immediate visual inspection of the collected sample

mud or high humidity

Book "Amphibians of Oregon, Washington and BC" Turbidity Testing This affordable and precise loggerProduct Code: BK AOWBC by Charlotte Corkran (Author) Frogs, toads and salamanders are important indicators of the quality of the environment, and theyre cute little critters too. Newly revised and updated, this innovative field guide describes the life histories, habitat requirements and vulnerabilities of 38 species of amphibians in the Pacific Northwest. Color photographs and illustrated keys help identify all life stages of each species. As well, a