RHS manuals

River Habitat Survey manuals and spot-check key.

RHS Manual 2003 Version 1 (2018) with photo gallery

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RHS form 2003 Version 1 (2018) and spot-check key
Spot-check key update (2021)

Other resources:

Old versions of the RHS form (previous formats)

Explanation of differences between survey formats including cRHS 1994-2022: RHS forms over the years

RHS_form_and_key_1997

RHS_form_and_key_1996

RHS_form_and_key_1995

RHS_form_1994

RHS 1997 manual translated in French

RHS manual 1997 – French

RHS 1997 form and spot-check key translated in French

RHS 1997 manual translated in German

RHS manual 1997 – German

RHS 1997 form and spot-check key translated in German