Data from: Effects of distance on detectability of Arctic waterfowl using double-observer sampling during helicopter surveys

负责人：

Alisauskas, Ray T

关键词：

Aerial survey detection probability distance-sampling mark-recapture population estimation

DOI：

doi:10.5061/dryad.mp7h92r

摘要：

how a distance covariate influenced probability of double‐observer detections for birds counted during a helicopter survey in Canada’s central Arctic

yorku.ecology.october3-2016.csv

负责人：

关键词：

60202 Community Ecology (excl. Invasive Species Ecology)

DOI：

doi:10.6084/m9.figshare.3979764.v1

摘要：

backbone.

Methods

Data was collected across four observers and later compiled into a single digital document.
Data collected approximate

yorku.ecology.october3-2016.csv

负责人：

关键词：

60202 Community Ecology (excl. Invasive Species Ecology)

DOI：

doi:10.6084/m9.figshare.3979764

摘要：

backbone.

Methods

Data was collected across four observers and later compiled into a single digital document.
Data collected approximate

Data from: Status of the mountain ungulate prey of the endangered snow leopard Panthera uncia in the Tost Local Protected Area, South Gobi, Mongolia

负责人：

关键词：

Argali Double-observer survey Ibex Snow leopard Ungulate prey

DOI：

doi:10.5061/dryad.v61m2

摘要：

and monitoring of wild ungulate populations and their trends, especially in the remote mountains of Central Asia. We conducted double-observer surveys to estimate