greenfinch

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

datasets

Functions to estimate and plot smooth or linear population trends, or population indices,
from animal or plant count survey data.

Jonas Knape

poptrend

Estimate Smooth and Linear Trends from Population Count Survey
Data

greenfinch function

A data frame with 5728 rows and 9 columns.<ul>
<li>count Total transect count.</li>
<li>site Site identity.</li>
<li>year Year of the survey.</li>
<li>observerAge Age of the observer.</li>
<li>day Day of season.</li>
<li>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.</li>
<li>latitude Latitude of the transect.</li>
<li>lineCov The percentage of the transect that was surveyed.</li>
</ul>

greenfinch: Data for greenfinch from the Swedish Bird Survey.

Description

Usage

Arguments

Format