Results 61 to 70 of about 35,541 (135)

Drone‐based radiotelemetry and imagery systems provide an advantage over traditional techniques for estimating survival of dependent juveniles

open access: yesWildlife Society Bulletin, Volume 50, Issue 3, September 2026.
We used drone‐based radiotelemetry and multispectral imagery to estimate detection and survival probabilities of blue‐winged teal broods in Saskatchewan, Canada. Weekly brood survival probabilities, estimated via Cormack‐Jolly‐Seber models, increased with age and were comparable between drone methods.
Grant A. Rhodes   +5 more
wiley   +1 more source

PVA Highlights Different Management Actions Required to Prevent Extinction in Fenced and Unfenced Populations of Reintroduced Western Quolls

open access: yesAustral Ecology, Volume 51, Issue 9, September 2026.
ABSTRACT Population Viability Analysis (PVA) is a broad tool which can be used to estimate the likelihood of population persistence in translocated populations. We used PVA to evaluate the viability of two reintroduced populations of western quolls, a threatened marsupial carnivore, using population‐specific parameters.
Rebecca Schaefer   +7 more
wiley   +1 more source

Variants of the Jolly-Seber model used in population estimations.

open access: yes, 2016
Variants of the Jolly-Seber model used in population estimations.
Peter H. Frey (2547829)   +4 more
core   +1 more source

Long‐Term Individual‐Based Monitoring in Bat Conservation: Insights From Automated PIT‐Tag Monitoring

open access: yesMammal Review, Volume 56, Issue 3, September 2026.
Review on the outcomes of long‐term, individual‐based monitoring for bat conservation, focusing on data generated by automated passive integrated transponder monitoring. We show that this technique offers new possibilities for long‐term bat monitoring by facilitating the collection of highly relevant conservation data.
Gerald Kerth   +5 more
wiley   +1 more source

An empirical Bayesian approach to incorporate directional movement information from a forage fish into the Arnason-Schwarz mark-recapture model

open access: yesMovement Ecology, 2021
Background Over the past two decades, various species of forage fish have been successfully implanted with miniaturized acoustic transmitters and subsequently monitored using stationary acoustic receivers.
Mary A. Bishop, Jordan W. Bernard
doaj   +1 more source

Sex‐specific reproductive investment and survival of Atlantic salmon kelts across multiple dams

open access: yesEcosphere, Volume 17, Issue 8, August 2026.
Abstract In adult Atlantic salmon, individual variation in migration and movement within rivers during spawning (i.e., reproductive movement, RM) is an important component of overall reproductive investment that may influence subsequent survival and repeat spawning.
Kurt C. Heim   +5 more
wiley   +1 more source

Long‐term apparent survival of a cold‐stunned subpopulation of juvenile green turtles

open access: yesEcosphere, 2022
Understanding the effects of extreme weather on animal populations is fundamental to ecological and conservation sciences and species management. Climate change has resulted in both warm and cold temperature extremes, including an increased frequency of ...
Robert Mollenhauer   +2 more
doaj   +1 more source

A comparison of monitoring methods for inferring demographics of a pond‐breeding amphibian population over 14 years

open access: yesThe Journal of Wildlife Management, Volume 90, Issue 6, August 2026.
We used 4 sampling methods to estimate or index the abundance and sex ratio of spotted salamanders (Ambystoma maculatum) over 14 years. The present study highlights the importance of considering individual heterogeneity in capture probability when estimating abundance of pond‐breeding amphibians from capture data with imperfect detection. Abstract Long‐
Patrick D. Moldowan   +3 more
wiley   +1 more source

Demographic responses to population recovery illustrated by 30 years of monitoring a once critically endangered parrot

open access: yesJournal of Applied Ecology, Volume 63, Issue 8, August 2026.
These findings highlight the dynamic nature of demographic processes throughout population recovery and emphasise the value of continued monitoring beyond apparent recovery to detect density‐dependent shifts in demographic rates of wildlife populations.
Adrien Gellé   +11 more
wiley   +1 more source

Group heterogeneity in the Jolly-Seber-Tag-Loss model

open access: yes, 2014
Mark–recapture experiments involve capturing individuals from populations of interest, marking and releasing them at an initial sample time, and recapturing individuals from the same populations on subsequent occasions.
Cowen, LLE (15581108)   +2 more
core  

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