Results 1 to 10 of about 83,949 (294)
Biodiversity survey and estimation for line-transect sampling [PDF]
Frontiers in Plant Science, 2023 Conducting biodiversity surveys using a fully randomised design can be difficult due to budgetary constraints (e.g., the cost of labour), site accessibility, and other constraints.
Youhua Chen +2 more
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Abundance estimation for line transect sampling: A comparison of distance sampling and spatial capture-recapture models. [PDF]
PLoS ONE, 2021 Accurate and precise abundance estimation is vital for informed wildlife conservation and management decision-making. Line transect surveys are a common sampling approach for abundance estimation.
Nathan J Crum +2 more
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Double Kernel Method Using Line Transect Sampling
Austrian Journal of Statistics, 2016 A double kernel method as an alternative to the classical kernel method is proposed to estimate the population abundance by using line transect sampling.
Omar Eidous, M.K. Shakhatreh
doaj +3 more sources
Line transect sampling in mountainous terrains [PDF]
, 2011 Line transect sampling is an attractive method to estimate abundance in certain mountainous terrains, since it allows to cover a large region in a short period of time and there is no need to mark or capture animals. Abundance estimates are obtained with
Afonso, Anabela, Alpizar-Jara, Russell
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Some Improvements in Kernel Estimation Using Line Transect Sampling [PDF]
Journal of Modern Applied Statistical Methods, 2004 Kernel estimation provides a nonparametric estimate of the probability density function from which a set of data is drawn. This article proposes a method to choose a reference density in bandwidth calculation for kernel estimator using line transect ...
Eidous, Omar M.
core +4 more sources
Evaluating differences in density estimation for central Iowa butterflies using two methodologies [PDF]
PeerJ, 2023 The Pollard-Yates transect is a widely used method for sampling butterflies. Data from these traditional transects are analyzed to produce density estimates, which are then used to make inferences about population status or trends.
Shane Patterson +3 more
doaj +2 more sources
Common opossum population density in an agroforestry system in Bolivia [PDF]
Acta Amazonica, 2020 The common opossum, Didelphis marsupialis thrives near human settlements. Understanding its ecology could help planning management decisions about this species, especially in anthropogenic landscapes.
Camila BENAVIDES +2 more
doaj +1 more source
The effect of animal movement on line transect estimates of abundance. [PDF]
PLoS ONE, 2015 Line transect sampling is a distance sampling method for estimating the abundance of wild animal populations. One key assumption of this method is that all animals are detected at their initial location.
Richard Glennie +2 more
doaj +1 more source
Ecology and Evolution, 2021 The purpose of many wildlife population studies is to estimate density, movement, or demographic parameters. Linking these parameters to covariates, such as habitat features, provides additional ecological insight and can be used to make predictions for ...
Timothy A. Gowan +2 more
doaj +1 more source
Seals at sea: modelling seal distribution in the German bight based on aerial survey data [PDF]
, 2009 The Wadden Sea is an important habitat for harbour seals and grey seals. They regularly haul-out on sandbanks and islands along the coast. Comparably little is known about the time seals spend at sea and how they use the remainder of the North Sea.
Herr, H. +3 more
core +7 more sources