HatcheryObs: HatcheryObs

In jfieberg/Data4Ecologists: Data Assoicated with Statistics for Ecologists

HatcheryObs

Description

Sightings of humpback whales at hatchery release sites in Southeast Alaska

Usage

HatcheryObs

Format

A data frame with 2252 rows and 7 variables:

Date

character Date of observation

Year

double Year of observation

Hatchery

integer Hatchery where observation was made

DOY

integer Day of year

Timing

integer Before, during, or after salmon were released from the hatchery

Observed

integer 1 if humpback whales were observed and 0 otherwise

duration

double the total duration of observation effort (min)

Source

Chenoweth, Ellen M. et al. (2017). Data from: Humpback whales feed on hatchery-released juvenile salmon Dataset. Dryad. https://doi.org/10.5061/dryad.ms75s

Chenoweth, E. M., Straley, J. M., McPhee, M. V., Atkinson, S., & Reifenstuhl, S. (2017). Humpback whales feed on hatchery-released juvenile salmon. Royal Society Open Science, 4(7), 170180.

jfieberg/Data4Ecologists documentation built on April 17, 2025, 3:12 p.m.