wren: Steve Buckland's winter wren surveys

In DistanceDevelopment/dsdata: Distance sampling workshop data

Description

Observations of winter wren (Troglodytes troglodytes L.) collected by Steve Buckland in woodland/parkland at Montrave Estate near Leven, Fife, Scotland.

Details

Four different surveys were carried out:

wren_5min

5-minute point count

wren_snapshot

snapshot method

wren_cuecount

cue count

wren_lt

line transect survey

Note

wren_5min is data frame with 134 observations of 8 variables

Region.Label	stratum name (single stratum)
Area	size (ha) of Montrave study area
Sample.Label	point label
Effort	Number of visits to point
object	Object ID
distance	radial distance (m)
direction	direction of detection from point
Study.Area	Montrave Estate

wren_snapshot is data frame with 119 observations of 7 variables

Region.Label	stratum name (single stratum)
Area	size (ha) of Montrave study area
Sample.Label	point label
Effort	Number of visits to point
object	Object ID
distance	radial distance (m)
Study.Area	Montrave Estate

wren_cuecount is data frame with 774 observations of 9 variables

Region.Label	stratum name (single stratum)
Area	size (ha) of Montrave study area
Sample.Label	point label
Cue.rate	Production rate (per min) of cues
Cue.rate.SE	SE of cue production rate
object	Object ID
distance	radial distance (m)
Search.time	Time (min) listening for cues
Study.Area	Montrave Estate

wren_lt is data frame with 156 observations of 8 variables

Region.Label	stratum name (single stratum)
Area	size (ha) of Montrave study area
Sample.Label	transect label
Effort	transect length (km)
object	Object ID
distance	perpendicular distance (m)
Study.Area	Montrave Estate

Source

Steve Buckland

References

Buckland, S. T. (2006) Point-transect surveys for songbirds: robust methodologies. The Auk 123 (2): 345–357.

DistanceDevelopment/dsdata documentation built on July 29, 2020, 11 p.m.