Hester-Dendy Sampler, Square, 14-Plate, Pkg of 10 Bags copy or laser print both

copy or laser print both sides

Chess Lyons’ update of his classic guide on Washington and British Columbia for naturalists and nature enthusiasts alike

making it an ideal tool for stream substrate analysis

Wherever you can wade

Suitable for professionals

Hester-Dendy Sampler, Square, 14-Plate, Pkg of 10 Bags copy or laser print bothProduct Code: 150 A95 This inexpensive, compact and lightweight device has become a staple in the field and is similar in function to the periphyton. The most adaptable artificial substrate sampler on the market, its EPA recommended in 2 versions. Suspend it, float it or attach it to submerged objects such as boulders or stakes. Leave it in place for 2 or more weeks, then scrape the critters off the plates and analyze in the lab. Constructed of 1 8 (3