Search Results - "bird"

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    The influence of habitat fragmentation on genetic diversity of a rare bird species that commonly faces environmental fluctuations by Canales Delgadillo, Julio César, Scott Morales, Laura Magdalena, Korb, Judith

    Published 2012
    “…We did a population genetic study on a rare bird, the Worthen’s sparrow Spizella wortheni which is endemic to semi-arid and arid regions of northeast Mexico. …”
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    Climate complexity in the migratory cycle of Ammodramus bairdii by Bosso, Luciano, Peña Peniche, Alexander, Ruvalcaba Ortega, Irene, Rojas Soto, Octavio

    Published 2018
    “…Abstract One way to understand the ecology of bird migration is to analyze how birds use their ecological niche during their annual cycle. …”
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    Assessing Conservation Values: Biodiversity and Endemicity in Tropical Land Use Systems by Moen, Jon, Waltert, Matthias, Bobo, Kadiri Serge, Kaupa, Stefanie, Montoya, Marcela Leija, Nsanyi, Moses Sainge, Fermon, Heleen

    Published 2011
    “…We compiled geographic range data for 180 bird, 119 butterfly, 204 tree and 219 understorey plant species sampled along a gradient of habitat modification ranging from near-primary forest through young secondary forest and agroforestry systems to annual crops in the southwestern lowlands of Cameroon. …”
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    Effect of Organic Acid Blends in Drinking Water on Growth Performance, Blood Constituents and Immune Response of Broiler Chickens by Marín Flamand, Ernesto, Vásquez Durán, Alma, Méndez Albores, Abraham

    Published 2014
    “…The results showed that all OAB had no significant effect on live body weight (LBW); however, an improvement on feed consumption (FC), feed conversion ratio (FCR), and survival rate (SR) were observed as compared to the control. Birds supplied with OAB1 presented the lowest FCR (1.803), FC (96.19 g/bird/day), and the highest SR (95.63%). …”
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    Performance evaluation and optimization of swarms of robots in a specific task by Márquez Vega, Luis Ángel

    Published 2019
    “…Different methods to control swarms of robots have been proposed, in this thesis a bio-inspired model based in repulsion (∆r), orientation (∆o) and attraction (∆a) tendencies between biological species as bird flocks and schools of fish is applied in the simulated swarm of quadrotors. …”
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    Tesis
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    Performance evaluation and optimization of swarms of robots in a specific task by Márquez Vega, Luis Ángel

    Published 2019
    “…Different methods to control swarms of robots have been proposed, in this thesis a bio-inspired model based in repulsion (∆r), orientation (∆o) and attraction (∆a) tendencies between biological species as bird flocks and schools of fish is applied in the simulated swarm of quadrotors. …”
    Get full text
    Tesis
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    Validación de la Escala de Conducta Disocial (ECODI27) en una muestra probabilística de adolescentes mexicanos by Moral de la Rubia, José

    Published 2010
    “…Eysenck, 1978) y el Inventario Balanceado de Respuestas Socialmente Deseables, versión 6 (BIRD-6; Paulhus, D., 1998) a 202 adolescentes —112 hombres y 90 mujeres— de 14 a 17 años de edad. …”
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    West nile virus isolation in human and mosquitoes, Mexico by Elizondo Quiroga, Darwin, Davis, Todd C., Fernández Salas, Ildefonso, Escobar López, Román, Velasco, Dolores, Soto, Lourdes Cecilia, Aviles, Magaly, Elizondo Quiroga, Armando Erick, González Rojas, José Ignacio, Contreras Cordero, Juan Francisco, Guzman, Hilda, Travassos Da Rosa, Amelia, Blitvich, Bradley J., Beaty, Barry J., Barret, Alan, Tes, Robert B.

    Published 2005
    “…All Mexican WNV isolates studied to date have come from dead equines or birds. We report the first isolations of WNV from a sick person and from a pool of Culex quinquefasciatus mosquitoes and describe their phylogenetic relationship to other representative WNV strains from the United States and Mexico.…”
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