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Survey diet data from Northeast Fisheries Science Center's Bottom Trawl Survey, 1973-2019.

Usage

surveyLenDietcomp

Format

A data frame

ModSim

Atlantis model name and simulation id

year

year diet data collected

Code

SPECIES_ITIS code for predator species

Name

Common name for predator species

season

season diet data collected

pdlen

predator length bin (1 cm)

prey

Common name for prey item

variable

mean prey item weight in year/species/season/pdlen (meansw), variance of meansw (variance), number of tows in year/species/season/prey/pdlen (num_tows), cv of meansw (cv), confidence interval for mean prey weight in diet (ci), total prey weight in year/species/season/pdlen (totwt), percent of prey item in diet in year/species/season/pdlen (relmsw), confidence interval for percent prey in diet (relci), number of stomachs in year/species/season/pdlen (nstom)

value

value of the variable

units

units of the variable; grams for meansw, variance, ci, totwt, percent for relmsw, relci, numbers for num_tows, nstom, unitless cv