Articles with "population size" as a keyword



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Rejection of Schmidt et al.'s estimators for bear population size

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Published in 2019 at "Ecology and Evolution"

DOI: 10.1002/ece3.5134

Abstract: Abstract Aerial distance sampling of bears to estimate population size has been used throughout many parts of Alaska. The distance sampling models are complex since they need to account for undetected bears and differences in… read more here.

Keywords: rejection schmidt; schmidt estimators; population size; estimators bear ... See more keywords
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Accounting for heterogeneity when estimating stopover duration, timing and population size of red knots along the Luannan Coast of Bohai Bay, China

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Published in 2019 at "Ecology and Evolution"

DOI: 10.1002/ece3.5139

Abstract: Abstract To successfully perform their long‐distance migrations, migratory birds require sites along their migratory routes to rest and refuel. Monitoring the use of so‐called stopover and staging sites provides insights into (a) the timing of… read more here.

Keywords: heterogeneity; population size; red knots; duration ... See more keywords
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Whole genome demographic models indicate divergent effective population size histories shape contemporary genetic diversity gradients in a montane bumble bee

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Published in 2023 at "Ecology and Evolution"

DOI: 10.1002/ece3.9778

Abstract: Abstract Understanding historical range shifts and population size variation provides an important context for interpreting contemporary genetic diversity. Methods to predict changes in species distributions and model changes in effective population size (N e) using… read more here.

Keywords: contemporary genetic; diversity; genetic diversity; population size ... See more keywords
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Estimating population size of fishers (Pekania pennanti) using camera stations and auxiliary data on home range size

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Published in 2017 at "Ecosphere"

DOI: 10.1002/ecs2.1747

Abstract: Estimating density and population size is often more challenging than measuring indices of abundance because of uncertainty about the effective area of surveys. We combined hierarchical modeling of detection/non-detection data from camera stations with auxiliary… read more here.

Keywords: camera; size; population size; population ... See more keywords
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Variation in individual reproductive performance amplified with population size in a long-lived carnivore.

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Published in 2020 at "Ecology"

DOI: 10.1002/ecy.3024

Abstract: Individual variation in reproductive ability is a key component of natural selection within populations, driving the evolution of life histories and population responses to changing environmental conditions. Evidence that population density affects individual-level fitness in… read more here.

Keywords: reproductive performance; population size; long lived; performance ... See more keywords
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Strong fluctuations in aboveground population size do not limit genetic diversity in populations of an endangered biennial species

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Published in 2018 at "Oecologia"

DOI: 10.1007/s00442-018-4152-0

Abstract: Assessing genetic diversity within populations of rare species and understanding its determinants are crucial for effective species protection. While a lot is known about the relationships between genetic diversity, fitness, and current population size, very… read more here.

Keywords: genetic diversity; population size; population; seed ... See more keywords
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The Complex Parameter Landscape of the Compact Genetic Algorithm

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Published in 2021 at "Algorithmica"

DOI: 10.1007/s00453-020-00778-4

Abstract: The compact Genetic Algorithm (cGA) evolves a probability distribution favoring optimal solutions in the underlying search space by repeatedly sampling from the distribution and updating it according to promising samples. We study the intricate dynamics… read more here.

Keywords: sqrt log; population size; compact genetic; log ... See more keywords
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Different population size change and migration histories created genetic diversity of three oaks in Tokai region, central Japan.

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Published in 2021 at "Journal of plant research"

DOI: 10.1007/s10265-021-01323-2

Abstract: To understand genetic diversity in focal species, it is important to consider the possibility of speciation with gene flow, especially in species with porous genomes such as oaks. We studied genetic diversity and structure in… read more here.

Keywords: genetic diversity; size change; migration; population size ... See more keywords
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Historical, current, and potential population size estimates of invasive wild pigs (Sus scrofa) in the United States

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Published in 2019 at "Biological Invasions"

DOI: 10.1007/s10530-019-01983-1

Abstract: To control invasive species and prioritize limited resources, managers need information about population size to evaluate the current state of the problem, the trend in population growth through time, and to understand the potential magnitude… read more here.

Keywords: wild pigs; population size; united states; potential population ... See more keywords
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Temporal genetic dynamics of reintroduced and translocated populations of the endangered golden lion tamarin (Leontopithecus rosalia)

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Published in 2017 at "Conservation Genetics"

DOI: 10.1007/s10592-017-0948-4

Abstract: Reintroductions—captive-born animals introduced into the species’ original distribution area—and translocations—free-living animals transferred to another location within the historical distribution area—are important conservation strategies for endangered species. Genetic analyses of 239 individuals from unmanaged, translocated and… read more here.

Keywords: genetic dynamics; conservation; population size; leontopithecus rosalia ... See more keywords
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Effective population size and heterozygosity-fitness correlations in a population of the Mediterranean lagoon ecotype of long-snouted seahorse Hippocampus guttulatus

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Published in 2019 at "Conservation Genetics"

DOI: 10.1007/s10592-019-01210-3

Abstract: The management of endangered species is complicated in the marine environment owing to difficulties to directly access, track and monitor in situ. Population genetics provide a genuine alternative to estimate population size and inbreeding using… read more here.

Keywords: long snouted; heterozygosity; effective population; population size ... See more keywords