Results 1 to 10 of about 2,431,149 (208)

Variation in Demography and Life-History Strategies Across the Range of a Declining Mountain Bird Species

open access: yesFrontiers in Ecology and Evolution, 2021
Species- and population-specific responses to their environment may depend to a large extent on the spatial variation in life-history traits and in demographic processes of local population dynamics.
Arnaud G. Barras   +4 more
doaj   +1 more source

Integrated Population Models: Achieving Their Potential

open access: yesJournal of Statistical Theory and Practice, 2022
AbstractPrecise and accurate estimates of abundance and demographic rates are primary quantities of interest within wildlife conservation and management. Such quantities provide insight into population trends over time and the associated underlying ecological drivers of the systems.
Frost, Fay   +4 more
openaire   +2 more sources

Exact Inference for Integrated Population Modelling [PDF]

open access: yesBiometrics, 2019
AbstractIntegrated population modelling is widely used in statistical ecology. It allows data from population time series and independent surveys to be analysed simultaneously. In classical analysis the time-series likelihood component can be conveniently approximated using Kalman filter methodology. However, the natural way to model systems which have
P. Besbeas, B.J.T. Morgan
openaire   +3 more sources

Immigration as the main driver of population dynamics in a cryptic cetacean

open access: yesEcology and Evolution, 2023
Empirical evidence about the role and interaction of immigration with local demographic processes in shaping population dynamics is still scarce. This knowledge gap limits our capability to derive a conceptual framework that can be used to inform ...
Simone Tenan   +10 more
doaj   +1 more source

A two‐sex integrated population model reveals intersexual differences in life history strategies in Cooper's hawks

open access: yesEcosphere, 2023
Integrated population models (IPMs) combine population counts with demographic data to improve the precision of estimates of population size and demographic rates.
Brian A. Millsap   +4 more
doaj   +1 more source

An integrated population model to project viability of a northern bobwhite population in Ohio

open access: yesEcosphere, 2021
Increased variation in interannual weather due to climate change can exert a powerful influence on the population dynamics of a species. Understanding the influence of severe weather is important for managing weather‐sensitive species.
Connor J. Rosenblatt   +4 more
doaj   +1 more source

Multi-Site Integrated Population Modelling [PDF]

open access: yesJournal of Agricultural, Biological and Environmental Statistics, 2010
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mccrea, Rachel   +5 more
openaire   +5 more sources

Assessing population‐level consequences of anthropogenic stressors for terrestrial wildlife

open access: yesEcosphere, 2020
Human activity influences wildlife. However, the ecological and conservation significances of these influences are difficult to predict and depend on their population‐level consequences.
Todd E. Katzner   +8 more
doaj   +1 more source

Disentangling the spatial and temporal causes of decline in a bird population

open access: yesEcology and Evolution, 2020
The difficulties in understanding the underlying reasons of a population decline lie in the typical short duration of field studies, the often too small size already reached by a declining population or the multitude of environmental factors that may ...
Floriane Plard   +3 more
doaj   +1 more source

Reversing tree expansion in sagebrush steppe yields population‐level benefit for imperiled grouse

open access: yesEcosphere, 2021
Woody plant expansion into shrub and grasslands is a global and vexing ecological problem. In the Great Basin of North America, the expansion of pinyon–juniper (Pinus spp.–Juniperus spp.) woodlands is threatening the sagebrush (Artemisia spp.) biome. The
Andrew C. Olsen   +7 more
doaj   +1 more source

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