Data,,,
Conducted July 2013 - March 2014,,,
Choice preference experiment,,,
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Datasets,,,
OK Rhoades Am Nat data,,,
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Column,Class,Units,Description
number,ordered category,,unique number for each row
species,genus and species,,genus and species of animal (8 different species were tested)
indiv,integer,1 to 100,individual animal identified by a number
trial,ordered category,1 to 5,trial number (nested within species)
body_length,real ,centimeters,body length of animal (either before or after trial)
body_mass,real,grams,body mass of animal (either before or after trial)
sex,category,male or female,sex of animal
collected,category,,location where animal was collected
mortality,category,yes=1; no=0,if animal died during predation trials
trial,ordered category,1 to 5,trial number (nested within species)
block,ordered category,1 to 3,seasonal block (during which the full set of trials  were conducted for multiple species)
nblock,ordered category,1 to 13,nested block (during which a feeding trial was conducted for multiple species)
expt_days,integer,days,days since experiment began
trial_days,integer,days,days since trial began
setup_month,ordered category,1 to 12,month during which trial was set up
setup_day,ordered category,1 to 31,day during which trial was set up
setup_year,ordered category,2013 or 2014,year during which trial was set up
trial_length,integer,days,length of trial
n_loc,category,,collection location of Nereocystis luetkeana
n_date,date,day-month-year,collection date of N luetkeana
n_age,integer,days,age of N luetkeana (days since collected)
lmd_loc,category,,"collection location of Laminaria setchelii, Mazzaella splendens, and Dilsea californica"
lmd_age,integer,days,"age of L setchelii, M splendens, and D californica (days since collected)"
m_loc,category,,"if collected elsewhere from L setchellii and D californica, separate collection location of Mazzaella splendens"
m_age,integer,days,"if collected elsewhere, age of M splendens (days since collected)"
ninit,real,grams ,initial weighed amount of N luetkeana
linit,real,grams ,initial weighed amount of L setchellii
minit,real,grams ,initial weighed amount of M splendens
dinit,real,grams ,initial weighed amount of D californica
nfin,real,grams ,final weighed amount of N luetkeana
lfin,real,grams ,final weighed amount of L setchellii
mfin,real,grams ,final weighed amount of M splendens
dfin,real,grams ,final weighed amount of D californica
ngrowth,"real [0,1]",proportion,growth in grams of N luetkeana (calculated using the final/initial weight of control samples)
lgrowth,"real [0,1]",proportion,growth in grams of L setchellii (calculated using the final/initial weight of control samples)
mgrowth,"real [0,1]",proportion,growth in grams of M splendens (calculated using the final/initial weight of control samples)
dgrowth,"real [0,1]",proportion,growth in grams of D californica (calculated using the final/initial weight of control samples)
nfed_calc,real,grams,amount of N luetkeana consumed (final weight * growth - initial weight)
lfed_calc,real,grams,amount of L setchellii consumed (final weight * growth - initial weight)
mfed_calc,real,grams,amount of M splendens consumed (final weight * growth - initial weight)
dfed_calc,real,grams,amount of D californica consumed (final weight * growth - initial weight)
ntotprop,"real [0,1]",proportion,proportion of N luetkeana provided compared with all algae provided
ltotprop,"real [0,1]",proportion,proportion of L setchellii provided compared with all algae provided
mtotprop,"real [0,1]",proportion,proportion of M splendens provided compared with all algae provided
dtotprop,"real [0,1]",proportion,proportion of D californica provided compared with all algae provided
nfed_orig,real,grams,amount of N luetkeana consumed (calculated in 2013)
lfed_orig,real,grams,amount of L setchellii consumed (calculated in 2013)
mfed_orig,real,grams,amount of M splendens consumed (calculated in 2013)
dfed_orig,real,grams,amount of D californica consumed (calculated in 2013)
nfed,real,grams,amount of N luetkeana consumed (final weight * growth - initial weight) - negatives replaced with zeros
lfed,real,grams,amount of L setchellii consumed (final weight * growth - initial weight) - negatives replaced with zeros
mfed,real,grams,amount of M splendens consumed (final weight * growth - initial weight) - negatives replaced with zeros
dfed,real,grams,amount of D californica consumed (final weight * growth - initial weight) - negatives replaced with zeros
totalgae,real,grams,total amount of algae provided (ninit+linit+minit+dinit)
totfed,real,grams,total amount of algae consumed (nfed + lfed + mfed + dfed)
totprop,"real [0,1]",proportion,proportion of all algae provided consumed (totfeed/totalgae)
npref,"real [0,1]",proportion,preference for N luetkeana compared with all algae consumed 
lpref,"real [0,1]",proportion,preference for L setchellii compared with all algae consumed 
mpref,"real [0,1]",proportion,preference for M splendens compared with all algae consumed 
dpref,"real [0,1]",proportion,preference for D californica compared with all algae consumed 
nprop,"real [0,1]",proportion,proportion of N luetkeana consumed compared with how much N luetkeana was provided
lprop,"real [0,1]",proportion,proportion of L setchellii consumed compared with how much L setchellii was provided
mprop,"real [0,1]",proportion,proportion of M splendens consumed compared with how much M splendens was provided
dprop,"real [0,1]",proportion,proportion of D californica a consumed compared with how much D californica was provided
remove,,1=yes; blank=no,identifies rows in the data that were removed due to experimental errors in weighing or recording algae
no_fed,,1=yes; blank=no,identifies when an animal did not feed during a trial