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Table 1 Individual Siren intermedia PIT tag retention status, size, marking, movement, and detection parameters, their descriptions, and associated model sets

From: A novel indicator to assess PIT tag retention in an aquatic amphibian: impact of body size

Parameter

Description

Model Set/Type

Tag retention

Dropped (0) or Retained (1)

Size/Marking Response Variable

SVL

Snout-vent length (mm) at first capture

Size/Marking and Movement/Detection Predictor Variable

TL

Total length (mm) at first capture

Size/Marking and Movement/Detection Predictor Variable

Tail

Length of tail (mm) at first capture

Size/Marking and Movement/Detection Predictor Variable

Tagtail

PIT Tag length relative to tail length (%)

Size/Marking and Movement/Detection Predictor Variable

Mass

Mass (g) at first capture

Size/Marking and Movement/Detection Predictor Variable

JD

Julian Date of first capture from 1/1/2022

Size/Marking and Movement/Detection Predictor Variable

Tagorder

Daily order in which an individual was tagged

Size/Marking and Movement/Detection Predictor Variable

Water

Post-tagging recovery water temperature (℃)

Size/Marking and Movement/Detection Predictor Variable

FirstDist

Distance (m) between the 1st and 2nd detection

Movement/Detection Response Variable

FirstLast

Distance (m) between the 1st and last detection

Movement/Detection Response Variable

SecondLast

Distance (m) between the 2nd and last detection

Movement/Detection Response Variable

MaxDist

Maximum movement distance (m)

Movement/Detection Response Variable

AvgDist

Average movement distance (m)

Movement/Detection Response Variable

RdavgDist

Average subsequent movement distance (m)

Movement/Detection Response Variable

Redetections

Total number of tag/siren redetections

Movement/Detection Response Variable

  1. Only PIT tags with ≥ 2 telemetry redetections were included for the parameters SecondLast and RdavgDist