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Narrow Dietary Niche With High Overlap Between Snow Leopards and Himalayan Wolves Indicates Potential for Resource Competition in Shey Phoksundo National Park, Nepal.
Ecol Evol
January 2025
Department of National Parks and Wildlife Conservation, Government of Nepal Nepal.
Understanding species' dietary ecology and interspecific interactions is crucial for multi-species conservation planning. In Central Asia and the Himalayas, wolves have recolonized snow leopard habitats, raising considerable concern about resource competition between these apex predators. Using micro-histological analysis of prey species remains (e.
View Article and Find Full Text PDFNon-random mating behaviour between diverging littoral and pelagic three-spined sticklebacks in an invasive population from Upper Lake Constance.
R Soc Open Sci
January 2025
Fisheries Research Station Baden-Württemberg, Argenweg 50/1, 88085 Langenargen, Germany.
Adaptive divergence and increased genetic differentiation among populations can lead to reproductive isolation. In Lake Constance, Germany, a population of invasive three-spined stickleback () is currently diverging into littoral and pelagic ecotypes, which both nest in the littoral zone. We hypothesized that assortative mating behaviour contributes to reproductive isolation between these ecotypes and performed a behavioural experiment in which females could choose between two nest-guarding males.
View Article and Find Full Text PDFGenetic inbreeding load and its individual prediction for milk yield in French dairy sheep.
Genet Sel Evol
January 2025
GenPhySE, Université de Toulouse, INRAE, ENVT, 31326, Castanet-Tolosan, France.
Background: The magnitude of inbreeding depression depends on the recessive burden of the individual, which can be traced back to the hidden (recessive) inbreeding load among ancestors. However, these ancestors carry different alleles at potentially deleterious loci and therefore there is individual variability of this inbreeding load. Estimation of the additive genetic value for inbreeding load is possible using a decomposition of inbreeding in partial inbreeding components due to ancestors.
View Article and Find Full Text PDFEvaluating health status and risks among Native Hawaiian and Pacific Islander communities in Hawai'i: a respondent-driven sampling approach.
Cancer Causes Control
January 2025
University of Hawai'i Cancer Center, 701 Ilalo St, Honolulu, HI, 96813, USA.
Purpose: Respondent-driven sampling (RDS) is a sampling method that relies on social networks to recruit hard-to-reach populations, and reduces the bias from non-random selection. This study aimed to assess the efficacy of RDS in collecting health assessment data from underrepresented populations not captured by traditional sampling techniques.
Methods: An RDS study was conducted in Hawai'i between 2017 and 2018 of Native Hawaiians, Chuukese, and Marshallese participants.
On Non-Random Mating, Adaptive Evolution, and Information Theory.
Biology (Basel)
November 2024
Centro de Investigación Mariña (CIM), Departamento de Bioquímica, Genética e Inmunología, Universidade de Vigo, 36310 Vigo, Spain.
Population genetics describes evolutionary processes, focusing on the variation within and between species and the forces shaping this diversity. Evolution reflects information accumulated in genomes, enhancing organisms' adaptation to their environment. In this paper, I propose a model that begins with the distribution of mating based on mutual fitness and progresses to viable adult genotype distribution.
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