Dichotomous Identification Key To Freshwater Macroinvertebrates (Pack of 6)

This spiral-bound Dichotomous Identification Key To Freshwater Macroinvertebrates is perfect for identification of aquatic macroinvertebrates to Order and some Families levels. The guide is color-coded based on Pollution Tolerance Level. A glossary, body part illustrations, and size references are included. The guides are water resistant for field or indoor use. This pack of 6 guides can be used stand-alone or as an enhancement to Leaf Pack Stream Ecology Kit. Guide includes both English and Spanish instructions.