'Phwh streams' diaporamas de présentation

Primary Headwater Habitats (PHWH)

Primary Headwater Habitats (PHWH). The Basics - What is a Primary Headwater Stream?. Characteristics: A Watercourse 1 with: A defined BED 2 and BANK 3 Either continuous 4 or periodic 5 FLOWING water A drainage 6 generally less than one square mile Deepest pools 7 < 40cm

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279 views • 13 slides

Natural vs. Modified Habitat Primary Headwater Habitat Streams

Natural vs. Modified Habitat Primary Headwater Habitat Streams. Headwater Habitat Evaluation Index. What qualifies as a Natural PHWH stream?. Characteristics: A Watercourse with: A defined BED and BANK Either continuous or periodic FLOWING water

339 views • 12 slides