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    Título
    Linking habitat quality with genetic diversity: a lesson from great bustards in Spain
    Autor
    Pitra, Christian
    Suárez Seoane, SusanaAutoridad Buleria
    Martín, Carlos A.
    Streich, Wolf Jürgen
    Alonso, Juan Carlos
    Facultad/Centro
    Facultad de Ciencias Biologicas y Ambientales
    Área de conocimiento
    Ecologia
    Datos de la obra
    European Journal of Wildlife Research, 2011, vol. 57, n. 3
    Editor
    Springer
    Fecha
    2011-06
    Descripción física
    P. 411-419
    Abstract
    The effects of habitat loss and fragmentation on the genetic structure and variability of wild populations have received wide empirical support and theoretical formalization. By contrast, the effects of habitat quality seem largely underinvestigated, partly due to technical difficulties in properly assessing habitat quality. In this study, we combine geographic information system (GIS)-based habitat-quality modelling with a landscape genetics approach based on mitochondrial DNA markers to evaluate the possible influence of habitat quality on the levels and distribution of genetic diversity in a range of natural populations (n = 15) of Otis tarda throughout Spain. Ninety-three percent of the population represented by our countrywide sample lives in good-quality habitats, while 4.5% and 2.5% occur respectively in intermediate and poor habitats. Habitat quality was highly correlated with patch size, population size and population density, indicating the reliability and predictive power of the habitat suitability model. Genetic diversity was significantly correlated with habitat quality, size and density of the population, but not with patch size. Three of a total of 20 existing matrilineages from the species’ current genetic pool are restricted to poor-quality habitats. This study therefore highlights the importance of considering both population genetics and habitat quality in a species of high conservation priority.
    Materia
    Ecología. Medio ambiente
    Palabras clave
    Otis tarda
    Geographic information systems
    Habitat suitability index
    mtDNA
    España
    Idioma
    eng
    Tipo documental
    info:eu-repo/semantics/article
    Peer review
    SI
    URI
    http://hdl.handle.net/10612/10284
    Versión del editor
    https://link.springer.com/article/10.1007/s10344-010-0447-0
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