wren {Distance} | R Documentation |
Steve Buckland's winter wren surveys
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
: 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
: 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
: 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
: 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.