greenfinch: Data for greenfinch from the Swedish Bird Survey.

greenfinchR Documentation

Data for greenfinch from the Swedish Bird Survey.

Description

Transect count survey data for greenfinch from the Swedish Bird Survey from 1998 to 2012.

Usage

greenfinch

Format

A data frame with 5728 rows and 9 columns.

  • count Total transect count.

  • site Site identity.

  • year Year of the survey.

  • observerAge Age of the observer.

  • day Day of season.

  • firstSurvey A binary variable which is 1 if the route was surveyed for the first time by the observer in that year, and 0 otherwise.

  • latitude Latitude of the transect.

  • lineCov The percentage of the transect that was surveyed.

Source

http://www.fageltaxering.lu.se/english


poptrend documentation built on Nov. 22, 2023, 5:08 p.m.