Results 221 to 225 of about 28,537 (225)

A half century of monitoring reveals contrasting survival responses of Icelandic seabirds to climate and fisheries pressures

Ibis, EarlyView.
Seabirds serve as key indicators of marine environmental changes, with adult survival being a critical parameter for assessing population health. Iceland hosts some of the largest seabird populations in the North Atlantic, making it a valuable location for studying long‐term trends in seabird demographics.
Sarah E. Gutowsky, Mark L. Mallory, Gregory J. Robertson, Anna M. Calvert, David A. Fifield, Sverrir Thorstensen, Ævar Petersen   +6 more
wiley   +1 more source

Estimation of the Population Size of Street- and Venue-Based Female Sex Workers and Sexually Exploited Minors in Rwanda in 2022: 3-Source Capture-Recapture.

JMIR Public Health Surveill
Tuyishime E, Remera E, Kayitesi C, Malamba S, Sangwayire B, Habimana Kabano I, Ruisenor-Escudero H, Oluoch T, Unna Chukwu A.   +8 more
europepmc   +1 more source

Combining δ2H and δ34S stable isotopes identifies diverse moult strategies in a short‐distance migratory bird

Ibis, EarlyView.
Moult strategies in birds can vary considerably even within a single species, particularly in terms of where moulting takes place. Yet, the factors underlying this variation and its consistency across years and individuals remain poorly understood. One such strategy, moult migration, involves individuals moving to a specific moulting location amid ...
Elza Marija Zacmane, Ivo Dinsbergs, Steffen Hahn, Māris Jaunzemis, Valts Jaunzemis, Oskars Keišs, Ance Priedniece, Viesturs Vīgants, Martins Briedis   +8 more
wiley   +1 more source

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Estimating Population Size from Dung-based DNA Capture�Recapture Data

Wildlife Biology in Practice, 2007
Non-invasive samples of animal dung are being collected for use with DNA-based capture–recapture analysis to estimate the abundance of the species. A typical sampling strategy involves repeated sampling of transects or grids to search for dung. Searches performed on different transects or on different occasions are often considered the capture sessions
Paul M. Lukacs, Lori S. Eggert, Kenneth P. Burnham   +2 more
openaire   +1 more source

A Bayesian Capture–Recapture Population Model With Simultaneous Estimation of Heterogeneity

Journal of the American Statistical Association, 2008
We develop a Bayesian capture-recapture model that provides estimates of abundance as well as time-varying and heterogeneous survival and capture probability distributions. The model uses a state-space approach by incorporating an underlying population model and an observation model, and here is applied to photo-identification data to estimate trends ...
Corkrey, Ross, Brooks, Steve, Lusseau, David, Parsons, Kim, Durban, John W, Hammond, Philip S, Thompson, Paul M   +6 more
openaire   +2 more sources