Diet Estimated Trophic Levels


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Documentation for package ‘dietr’ version 1.1.4

Help Pages

Casaux1998 Casaux1998
CompositeIndices Calculates various composite indices for studying trophic ecology
ConvertFishbaseDiet Converts FishBase/SealifBase diet data obtained from rfishbase for use with dietr
ConvertFishbaseFood Converts FishBase/SealifBase food item diet data obtained from the diet function into a usable format for dietr
CortesPreyVals CortesPreyVals
dietr Diet Estimated Trophic Levels in R
DietTroph Calculates trophic level from percentage based quantitative diet data (volumetric, weight, etc.) for species, populations, and individuals.
Electivity Calculates a variety of electivity indices and foraging ratios
FishBasePreyVals FishBasePreyVals
FoodTroph Calculates trophic level from qualitative food item data for species, populations, and individuals using a random subsampling routine.
GastrosomaticIndex Calculates Gastro-somatic Index (AKA Fullness Index, Index of fullness)
Herichthys Herichthys
Horn1982 Horn1982
PlotElectivity Creates Electivity plots
SebastesStomachs SebastesStomachs
VacuityIndex Calculates the vacuity index, the proportion of fish which contain food in their stomach.