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Ecological parameter: feeding type

Parameter group: life & body related parameters

Explanation:
This parameter indicates the feeding preference of a species. Ten categories are defined according to Moog (1995).

Moog, O. (ed.) (1995): 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
A description of the coding system can be found here  Abbreviations/Coding Systems

Abbreviations:
Category name:Abbreviations:Explanation:
grazers/scrapersgrafeed on endolithic and epilithic algal tissues, biofilm, partially POM, partially tissues of living plants
minersminfeed on leaves of aquatic plants, algae and cells of aquatic plants
xylophagous taxaxylfeed on woody debris
shreddersshrfeed on fallen leaves, plant tissue, CPOM
gatherers/collectorsgatfeed on sedimented FPOM
active filter feedersafffeed on suspended FPOM, CPOM; micro prey is whirled; food is actively filtered from the water column
passive filter feederspfffeed on suspended FPOM, CPOM, prey; food is filtered from running water, e.g., by nets or specialised mouthparts
predatorsprefeed on prey
parasitesparfeed on 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
Araneae1 / 7 - 14.2%
Bivalvia53 / 77 - 68.8%
Branchiobdellida4 / 8 - 50%
Bryozoa14 / 19 - 73.6%
Chironomidae357 / 1315 - 27.1%
Coelenterata11 / 13 - 84.6%
Coleoptera743 / 2678 - 27.7%
Crustacea77 / 270 - 28.5%
Diptera (excl. Chironomidae)193 / 2404 - 8%
Ephemeroptera152 / 353 - 43%
Gastropoda83 / 241 - 34.4%
Heteroptera96 / 124 - 77.4%
Hirudinea46 / 68 - 67.6%
Hymenoptera1 / 39 - 2.5%
Lepidoptera8 / 19 - 42.1%
Megaloptera5 / 6 - 83.3%
Nematomorpha1 / 1 - 100%
Odonata166 / 174 - 95.4%
Oligochaeta120 / 240 - 50%
Planipennia9 / 12 - 75%
Plecoptera560 / 576 - 97.2%
Polychaeta11 / 13 - 84.6%
Porifera7 / 12 - 58.3%
Trichoptera357 / 1439 - 24.8%
Turbellaria31 / 61 - 50.8%