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dietr (version 1.0)

Diet Estimated Trophic Levels

Description

Estimates fractional trophic level from quantitative and qualitative diet data and calculates electivity indices in R. Froese & Pauly (2000, ISBN: 9718709991).

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Install

install.packages('dietr')

Monthly Downloads

240

Version

1.0

License

GPL (>= 2)

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Repository

https://github.com/sborstein/dietr

Maintainer

Samuel Borstein

Last Published

November 13th, 2019

Functions in dietr (1.0)

FishBasePreyVals

FoodTroph

Calculates trophic level from qualitative food item data for species, populations, and individuals using a random subsampling routine.

Herichthys

Horn1982

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

DietTroph

Calculates trophic level from percentage based quantitative diet data (volumetric, weight, etc.) for species, populations, and individuals.

dietr

Diet Estimated Trophic Levels in R

Electivity

Calculates a variety of electivity indices and foraging ratios