data_spas_harrison {Petersen}

Estimating abundance of salmon - SPAS - Harrison River

Description

Incoming sockeye salmon are captured on a first wheel, tagged with color tags that vary by week, and recaptured on several spawning areas.

Usage

data(data_spas_harrison)

Format

⁠data_spas harrison⁠

A data frame with many rows and 2 columns

cap_hist.

Capture history of the form ‘week..area’ for fish that are released on week and recaptured area ; '0..area' for unmarked fish newly captured in area; 'week..0' for fish released in week but never recaptured.

freq.

Number of fish with this history.