Online-Only Table 4 The diet data extracted for each salmon predator.

predator_id

A unique number that is generated and assigned to each predator sample

source_id

This number corresponds with the source_id from Online-only Table 2

year_min

YYYY; if there is just one value for the year then it is found in this attribute; if there are a range of values for the year then the minimum value is found in this attribute

year_max

YYYY; if there are a range of values for the year then the maximum value is entered into this attribute

warm_cool_years

Either ‘warm’, ‘cool’ or NA; this attribute will only have a value if the samples are explicitly reported as being from a warm versus cool year(s) and can only be uniquely identified this way

odd_even_years

Either ‘odd, ‘even’ or NA; this attribute will only have a value if the samples are explicitly reported as being from an odd versus even year(s) and can only be uniquely identified this way

season_min

Either ‘spring’, ‘summer’, ‘autumn’, or ‘winter’; if there is just one value for the season then it is entered into this attribute; if there are a range of values for the season then the minimum value is entered into this attribute; this attribute will only have a value if there is no value for the month/date and the source explicitly defines the temporal sampling period by season

season_max

Either ‘spring’, ‘summer’, ‘autumn’, or ‘winter’; if there are a range of values for the season then the maximum value is entered into this attribute; this attribute will only have a value if there is no value for the month/date and the source explicitly defines the temporal sampling period by season

month_min

Month names are completely spelled out with the first letter capitalized; if there is just one value for the month then it is entered into this attribute; if there are a range of values for the month then the minimum value is found in this attribute

month_max

Month names are completely spelled out with the first letter capitalized; if there are a range of values for the month then the maximum value is found in this attribute

date_min

Expressed using year, month, and day; if there is just one value for the date then it is entered into this attribute; if there are a range of values for the date then the minimum value is found in this attribute

date_max

Expressed using year, month, and day; if there are a range of values for the date then the maximum value is found in this attribute

time_min

HH:MM:SS; if there is just one value for the time then it is found in this attribute; if there are a range of values for the time then the minimum value is found in this attribute

time_max

HH:MM:SS; if there are a range of values for the time then the maximum value is found in this attribute

lat_min

If there is just one value for the latitude then it is found in this attribute;if there are a range of values for the latitude then the minimum value is found in this attribute; values are in decimal degrees format

lat_max

If there are a range of values for the latitude then the maximum value is found in this attribute; values are in decimal degrees format

lon_min

If there is just one value for the longitude then it is entered into this attribute; if there are a range of values for the longitude then the minimum value is entered into this attribute; values are in decimal degrees format

lon_max

If there are a range of values for the longitude then the maximum value is found in this attribute; values are in decimal degrees format

predator_lowest_taxonomic_level

The lowest taxonomic level reported in the source; if a source reports to the species level then this attribute includes both the genus and species names (e.g., Oncorhynchus nerka); only scientific names are reported, not common names

predator_life_stage

Either ‘juvenile’, ‘adult’ or NA

predator_life_stage_min

If there are a mixture of juveniles and adults, then ‘juvenile’ is entered here

predator_life_stage_max

If there are a mixture of juveniles and adults, then ‘adult’ is entered here

predator_freshwater_age

An integer to indicate the number of years spent living in freshwater

predator_freshwater_age_min

If there are a mixture of freshwater ages, then this attribute represents the minimum age; an integer to indicate the number of years spent living in freshwater

predator_freshwater_age_max

If there are a mixture of freshwater ages, then this attribute represents the maximum age; an integer to indicate the number of years spent living in freshwater

predator_ocean_age

An integer to indicate the number of years spent living in the ocean

predator_ocean_age_min

If there are a mixture of ocean ages, then this attribute represents the minimum age; an integer to indicate the number of years spent living in the ocean

predator_ocean_age_max

If there are a mixture of ocean ages, then this attribute represents the maximum age; an integer to indicate the number of years spent living in the ocean

predator_maturity

Either ‘juvenile’, ‘immature’, ‘maturing’ ‘mature’, ‘kelt’ (for steelhead), or NA

predator_maturity_min

If there are a mixture of maturity levels, then the minimum maturity level is found here

predator_maturity_max

If there are a mixture of maturity levels, then the maximum maturity level is found here

predator_length_value_cm

The length of a predator in centimeters (could be either fork length or total length); only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of diet data from a source

predator_length_min_cm

The minimum length of a predator in centimeters (could be either fork length or total length) if there are a range of sizes; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of diet data from a source

predator_length_max_cm

The maximum length of a predator in centimeters (could be either fork length or total length) if there are a range of sizes; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of diet data from a source

predator_weight_value_g

The weight of a predator in grams; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of diet data from a source

predator_weight_min_g

The minimum weight of a predator in grams if there are a range of sizes; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of diet data from a source

predator_weight_max_g

The maximum weight of a predator in grams if there are a range of sizes; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of diet data from a source

predator_subsample_id

A unique number that is generated and assigned to predator samples if a source reports the diets of individual predators with no unique identifiers; values are assigned for each source starting from 1 and increasing by a value of 1 each time (e.g., 1,2,3…); if unique subsample_ids are not required then the default value is 0

predator_sex

Either ‘male’, ‘female’ or ‘unspecified’

hatchery_wild

Either ‘hatchery’, ‘wild’ or ‘unspecified’

predator_replicates

The total number of predator replicates per sample

predator_notes

Any additional comments on the predator

gear_type_predator_id1

This id number corresponds with the gear_type_predator_id from Online-only Table 3

gear_type_predator_id2

This id number corresponds with the gear_type_predator_id from Online-only Table 3; this attribute is required if there are at least 2 types of gear used to sample predators

gear_type_predator_id3

This id number corresponds with the gear_type_predator_id from Online-only Table 3; this attribute is required if there are at least 3 types of gear used to sample predators

gear_type_predator_id4

This id number corresponds with the gear_type_predator_id from Online-only Table 3; this attribute is required if there are at least 4 types of gear used to sample predators

gear_type_predator_id5

This id number corresponds with the gear_type_predator_id from Online-only Table 3; this attribute is required if there are at least 5 types of gear used to sample predators

type_diet_data

The diet metric reported in the source (e.g., percent weight of prey, index of relative importance)

diet_data_units

The diet data units (e.g., percent); if the diet data are reported as a number then the units are left as blank

formula

The formula for the diet metric, if applicable; this is for metrics such as the index of relative importance or the stomach content index because they may be calculated differently in different sources

prey_lowest_taxonomic_level

The lowest taxonomic level reported in the source; if a source reports to the species level then this attribute should include both the genus and species names (e.g., Calanus pacificus); in some cases the lowest taxonomic level is not a scientific name – like ‘gelatinous’ or ‘zooplankton_collective’ or ‘miscellaneous’

prey_kingdom

The kingdom based on the lowest taxonomic level

prey_phylum

The phylum based on the lowest taxonomic level

prey_class

The class based on the lowest taxonomic level

prey_order

The order based on the lowest taxonomic level

prey_family

The family based on the lowest taxonomic level

prey_genus

The genus based on the lowest taxonomic level

prey_species

The species based on the lowest taxonomic level

value_diet_data

Diet data values for the specific prey item and the sample

prey_sex

Either ‘male’, ‘female’ or ‘unspecified’

prey_life_stage

The prey life stage

prey_life_stage_min

If there are a mixture of life stages, then this attribute represents the minimum life stage

prey_life_stage_max

If there are a mixture of life stages, then this attribute represents the maximum life stage

prey_length_value_mm

The length of prey in millimeters; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of prey data from a source

prey_length_min_mm

The minimum length of prey in millimeters if there are a range of sizes; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of prey data from a source

prey_length_max_mm

The maximum length of prey in millimeters if there are a range of sizes; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of prey data from a source

prey_weight_value_mg

The weight of prey in milligrams; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of prey data from a source

prey_weight_min_mg

The minimum weight of prey in milligrams if there are a range of sizes; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of prey data from a source

prey_weight_max_mg

The maximum weight of prey in milligrams if there are a range of sizes; only reported if there is no other way to determine life stage, or if length or weight categories are the only way to uniquely identify samples of prey data from a source

prey_notes

Any additional comments on prey