Estimating site occupancy and detection probability parameters for meso- and large mammals in a coastal ecosystem

Article Abstract:

Detectability of a species is influenced by a number of physical, biological or anthropogenic factors and to evaluate some of these the site occupancy rates using species-specific detection probabilities were estimated for meso- and large terrestrial mammal species on Cape Code, Massachusetts. The results revealed that the estimated site occupancy rates were similar among sampling methods for most species.

Goods & services distribution, Channels of Distribution, Environmental aspects, Distribution, Mammals, Company distribution practices, Coastal ecosystems

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A hierarchical model for estimating change in American woodcock populations

Article Abstract:

The Singing-Ground Survey (SGS) is analyzed by using a hierarchical log-linear model and the estimates of change and annual indices of abundance in American woodcock (Scolopax minor) are compared to the route regression analysis of SGS data. The population management and conservation planning for woodcock involving interpretation of the SGS has utilized the estimated provided by the hierarchical model.

Demographic aspects, Protection and preservation, Regression analysis

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Modeling and mapping abundance of American Woodcock across the Midwestern and Northeastern United States

Article Abstract:

Spatial modeling approach was used to map the abundance of American woodcock across their breeding range in the United States. Woodcock counts were found to be less in landscapes having higher degree of human occupation and more in landscapes with more forests.

Science & research, New England States, East North Central States, Middle Atlantic States, West North Central States, Research, Models, Bird populations, Spatial behavior in animals, Animal spatial behavior, Northeastern United States, Midwestern United States, Animal spatial behaviour, Report

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