Iowa DNR
BioNet
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

Functional Feeding Groups

Functional Feeding Groups (FFG) attempt to classify benthic macroinvertebrates by their method of feeding. BioNet uses the following classifications:

CF Filterer
CG Collector/Gatherer
CG/PR Collector/Predator
CG/SC Collector/Scraper
OM Omnivore
OM/CG Omnivore/Collector
PA Parasite
PI Piercer
PR Predator
PR/CG Predator/Collector
PR/OM Predator/Omnivore
SC Scraper
SC/CG Scraper/Collector
SH Shredder
SV Scavenger
UN Unidentified

This page was created 5/30/2018 8:46:42 AM