Information

Ecological parameter:  feeding type

Parameter group: life parameters

Explanation:
Feeding type delineates the feeding preference of a species. The ten categories are taken from Moog (1995).

Moog, O. (ed.) 1995a. Fauna Aquatica Austriaca - A Comprehensive Species Inventory of Austrian Aquatic Organisms with Ecological Notes. Federal Ministry for Agriculture and Forestry, Wasserwirtschaftskataster Vienna: loose-leaf binder.


Classification system: 10 point assignment system

Abbreviations:
Category nameAbbreviationExplanation
grazers and scrapersgrafeed from endolithic and epilithic algal tissues, biofilm, partially POM, partially tissues of living plants
minersminfeed from leaves of aquatic plants, algae and cells of aquatic plants
xylophagous taxaxylfeed from woody debris
shreddersshrfeed from fallen leaves, plant tissue, CPOM
gatherers/collectorsgatfeed from sedimented FPOM
active filter feedersafffeed from suspended FPOM, CPOM; micro prey is whirled; food is actively filtered from the water column
passive filter feederspfffeed from suspended FPOM, CPOM, prey; food is filtered from running water, e.g., by nets or specialised mouthparts
predatorsprefeed from prey
parasitesparfeed from host
other feeding typesothuse other food sources not meeting the above categories
Assigned taxa for each higher systematic unit
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Porifera6 / 9 - 66.6%
Coelenterata6 / 13 - 46.1%
Turbellaria30 / 60 - 50%
Nematomorpha1 / 1 - 100%
Gastropoda75 / 230 - 32.6%
Bivalvia47 / 66 - 71.2%
Polychaeta3 / 13 - 23%
Oligochaeta113 / 234 - 48.2%
Hirudinea36 / 66 - 54.5%
Branchiobdellida4 / 8 - 50%
Araneae1 / 1 - 100%
Crustacea61 / 255 - 23.9%
Ephemeroptera151 / 344 - 43.8%
Odonata87 / 158 - 55%
Plecoptera561 / 571 - 98.2%
Heteroptera96 / 124 - 77.4%
Megaloptera3 / 6 - 50%
Planipennia7 / 12 - 58.3%
Coleoptera1127 / 3342 - 33.7%
Hymenoptera1 / 39 - 2.5%
Trichoptera334 / 1428 - 23.3%
Lepidoptera4 / 18 - 22.2%
Diptera (excl. Chironomidae)190 / 2342 - 8.1%
Chironomidae351 / 1278 - 27.4%
Bryozoa12 / 16 - 75%