The Colorado River Delta and California's Central Valley are critical regions for many migrating North American landbirds

WV DeLuca, T Meehan, N Seavy, A Jones, J Pitt… - The Condor, 2021 - academic.oup.com
Migration is an important component of some species full annual cycle. California's Central
Valley and the Colorado River Delta provide important riparian and wetland habitats for …

New technologies in the mix: Assessing N‐mixture models for abundance estimation using automated detection data from drone surveys

E Corcoran, S Denman, G Hamilton - Ecology and evolution, 2020 - Wiley Online Library
Reliable estimates of abundance are critical in effectively managing threatened species, but
the feasibility of integrating data from wildlife surveys completed using advanced …

Spatial and temporal associations between fallow fields and Greater Painted Snipe density in Japanese rice paddy landscapes

N Katayama, Y Odaya, T Amano, H Yoshida - Agriculture, Ecosystems & …, 2020 - Elsevier
Fallow fields provide suitable habitats for many farmland species in agricultural landscapes.
Although the loss of fallow fields in the last few decades may be one of the major causes of …

Faster Asymptotic Solutions for N-Mixtures on Large Populations

MRP Parker, J Cao, LLE Cowen, LT Elliott - Journal of Agricultural …, 2024 - Springer
We derive an asymptotic likelihood function for open-population N-mixture models and show
that it has favorable computational complexity and accuracy when compared to the …

Stopover ecology of red knots in southwestern James Bay during southbound migration

AJ Macdonald, PA Smith, CA Friis… - The Journal of …, 2021 - Wiley Online Library
Many shorebirds rely on small numbers of staging sites during long annual migrations.
Numerous shorebird species are declining and understanding the importance of these …

[PDF][PDF] 1 Product of Normal Densities

MRP Parker, J Cao, LLE Cowen, LT Elliott - 2024 - researchgate.net
Supplemental Figure 3: Parameter ground truths and parameter estimates from fitting
asymptotic and unmarked (traditional) N-mixture models with K= 300. Estimated parameters …

Variability in Baleen Whale Acoustical Ecology: Implications for Optimal Monitoring Using Passive Acoustics

AP Recalde Salas - 2020 - espace.curtin.edu.au
This study aimed to improve the acoustical ecology knowledge of humpback and pygmy
blue whales migrating through Geographe Bay-Western Australia. Vocalisations produced …

[PDF][PDF] Faster asymptotic solutions for N-mixtures on large

MRP Parker, J Cao, LLE Cowen, LT Elliott - elliottlab.ca
We derive an asymptotic likelihood function for open-population N-mixture models 10 and
show that it has favourable computational complexity and accuracy when com-11 pared to …

Spacing of point counts for grassland bird surveys in small geographical areas: Biases and tradeoffs

LW Morrison, DG Peitz - The Wilson Journal of Ornithology, 2020 - meridian.allenpress.com
Point counts are the most commonly employed methodology in bird surveys. Survey points
are usually spaced≥ 250 m apart to prevent double counting. In cases where they are used …