Diet Estimated Trophic Levels

---

Documentation for package ‘dietr’ version 1.1.6-1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

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.