psi | R Documentation |
A sediment-sensitive macro-invertebrate metric that provides a proxy to describe the extent to which the surface of river bed are composed, or covered by sediments. It can be calculated at Taxonomic Levels 3, 4 & 5
psi(data, taxa_list = "TL3")
data |
Dataframe with at least three columns itemsample_id - unique idenftier for each sample itemlabel - Taxon name that matches to macroinvertebrateTaxa dataset itemresponse - Log abundance category |
taxa_list |
The taxonomic level the sample(s) have been identified at according to specificed taxa lists as described in WFD100 Further Development of River Invertebrate Classification Tool. Either "TL3" - Taxa list 3, "TL4" - Taxa list 4 or "TL5" - Taxa list 5. |
Dataframe with itemsample_id itemparmaeter itemquestion itemresponse
Extence, Chris & Chadd, Richard & England, Judy & Dunbar, M.J. & Wood, Paul & Taylor, E.D.. (2010). The Assessment of Fine Sediment Accumulation in Rivers Using Macro-Invertebrate Community Response. River Research and Applications. 29. 10.1002/rra.1569.
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