Closed population models used to estimates abundance ( Nˆ )
Estimating Population Abundance Using Sightability Models: R SightabilityModel Package
... Sightability models are binary logistic-regression models used to estimate and adjust for visibility bias in wildlife-population surveys ( Steinhorst and Samuel 1989 ...is used to ...
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Bayesian Analysis and Matching Errors in Closed Population Capture Recapture Models
... are Models M tb , M bh , and M tbh . Models with positive bias are M 0 , M h , M t , and M th ...These models do not account for the negative behavior effect in the data sets, which is similar to the ...
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Using Natural Pelt Patterns to Estimate Population Abundance with Mark-Resight Models
... be used to reliably identify individual wild pigs? And (2) can this approach to individual identification be incorporated into mark-resight models to estimate population abundance through ...
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Generalized linear models and Capture-Recapture Method in a closed population: strengths and weaknesses
... of models to be evaluated, therefore strategy c), as de- scribed in ...best models according to the selec- tion ...Multi-Model estimates were obtained following the strategy c) as reported in ...
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The effect of animal movement on line transect estimates of abundance
... was used, where all animals moved in straight lines at the same speed but each in a randomly assigned ...a population mean, we expect bias would be similar (as indicated by some preliminary simulation) ...
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Quantifying changes in abundance without counting animals: extensions to a method of fitting integrated population models
... in estimates of their population levels, with or without additional demographic ...include models for presence- only data (Ward et ...in population monitoring (Kéry et ...
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Population Abundance, Distribution, Forecasting Models And Breeding Habitat Ecology Of Dengue Vectors In Penang Island
... unprecedented population growth during the past 50 years, especially in developing tropical ...between population centres of the ...measures used since 1970 have been ineffective in reducing mosquito ...
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Review of methods used to estimate the abundance of feral cats.
... CMR models used to estimate abundance have other key assumptions that may be violated, and the estimates of abundance may be inaccurate and have poor ...of population closure, ...
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Preliminary estimates of the abundance and fidelity of dolphins associating with a demersal trawl fishery
... resulting abundance estimates were for the distinctively marked population around the trawler only, the proportion of marked individuals was estimated and the abundance estimates ...
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The effects of spatial population dataset choice on estimates of population at risk of disease
... spatial population data are already being used to derive population at risk estimates (Table ...spatial population dataset choice on the outputs of spatial mod- els of directly ...
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Can Airborne Laser Scanning (ALS) and Forest Estimates Derived from Satellite Images Be Used to Predict Abundance and Species Richness of Birds and Beetles in Boreal Forest?
... the Models Perform Better When the Explanatory Variables Are Derived at the Scale of Homogenous Forest Stands or at a Scale Including Also Parts of Adjacent Stands? The superior performance of models based ...
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1. Population covered and sources used
... The SARIMA specifications from the first step are injected into the “reg ARIMA” module of the X12 method in order to extend the series to render it less subject to variations when new estimates are made. The data ...
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Abundance Annex: Ape Population Abundance Estimates
... Notes on Tables 5 and 9: Gorillas are often sympatric with chimpanzees, meaning that they occupy the same geographic range. Biologists who survey great apes usually count their nests as proxies for the apes themselves; ...
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Abundance Annex: Ape Population Abundance Estimates
... Notes on Tables 5 and 9: Gorillas are often sympatric with chimpanzees, meaning that they occupy the same geographic range. Biologists who survey great apes usually count their nests as proxies for the apes themselves; ...
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Closed-form estimates of the domain of attraction for nonlinear systems via fuzzy-polynomial models
... Closed-form estimates of the domain of attraction for nonlinear systems via fuzzy-polynomial models Jos´e Luis Pitarch, Antonio Sala, Member IEEE and Carlos Vicente Ari˜no Abstract—In this work, the ...
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2021 Population Estimates
... Summary The estimated January 1, 2021 population for the NCTCOG region is 7,874,950. Last year the region added 158,540 people. Even though the north central Texas region, as well as the rest of the country faced ...
Casper city DEMOGRAPHICS. Population Estimates. Table III.2.1 Population Estimates
... Poverty Poverty is the condition of having insufficient resources or income. In its extreme form, poverty is a lack of basic human needs, such as adequate and healthy food, clothing, housing, water, and health services. ...
An Assessment of Sea Scallop Abundance and Distribution in a Selected Closed Area: DelMarVa Closed Area
... Rudders, D., & DuPaul, W. D. (2012) An Assessment of Sea Scallop Abundance and Distribution in a Selected Closed Area: DelMarVa Closed Area. Marine Resource Report No. 2012-7. Virginia Institute ...
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Quantitative estimates of fish abundance from boat electrofishing
... Where numerous fish species are present, multiple removal boat electro-fishing can be useful to fully characterise fish assemblages (Meador, 2005).. The effectiveness of f[r] ...
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Estimates of cetacean abundance in European Atlantic waters in summer
... first used in SCANS-II in 2005 (Hiby ...extensively used in regular surveys in European waters ...new estimates of g(0) are better than previously used corrections, which were limited to ...
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