Enumeration of sea lice found on fish in the field

Source: R/data.R

A dataset containing counts of sea lice (Caligus clemensi and Lepeophtheirus salmonis) and body abnormalities found on fish collected in the field by the Juvenile Salmon Program

sealice_field

Format

An object of class tbl_df (inherits from tbl, data.frame) with 1372 rows and 29 columns.

Details

ufn

The alphanumeric string that uniquely identifies a fish. Foreign key to: fish_field_data.

cal_cope_field

Field enumeration of C. clemensi (Cal.) sea lice, copepodid life stage

lep_cope_field

Field enumeration of L. salmonis (Lep.) sea lice, copepodid life stage

chal_a_field

Field enumeration of combined Cal. and Lep. sea lice, chalimus A life stage

chal_b_field

Field enumeration of combined Cal. and Lep. sea lice, chalimus B life stage

cal_mot_field

Field enumeration of motile Cal. sea lice, combined pre-adult and adult life stages and both sexes (non-gravid females only)

cgf_field

Field enumeration of gravid Cal. sea lice

lpam_field

Field enumeration of Lep. sea lice, pre-adult males

lpaf_field

Field enumeration of Lep. sea lice, pre-adult females

lam_field

Field enumeration of Lep. sea lice, adult males

laf_field

Field enumeration of Lep. sea lice, adult females (non-gravid)

lgf_field

Field enumeration of gravid Lep. female sea lice

unid_cope_field

Field enumeration of unidentifiable Cal. or Lep. sea lice, copepodid life stage

unid_chal_field

Field enumeration of unidentifiable Cal. or Lep. sea lice, chalimus A and B life stages

chal_scar

Number of sea louse chalimus scars on the fish's body

mot_scar

Number of motile sea louse scars on the fish's body

pred_scar

Number of predator scars on the fish's body

hemorrhaging

Number of hemorrhaging areas on the fish's body

eroded_gill_plate

Number of eroded gill plates

grazed_gill_plate

Number of grazed gill plates

mate_guarding

Number of sea lice exhibiting mate guarding activity

pinched_belly

Number of occurences of a pinched belly on the fish

comments_fish_health_field

Description of locations of observed body abnormalities and deformities

licing_protocol_field

The protocol that was followed for identifying sea lice in the field. Categories:

• salmoncoast_allstages = fine-scale identification of all sea lice and life stages

• salmoncoast_motiles = identification of only motile stages of sea lice