57 hasil untuk "Elena Angulo"
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Rare Species Are Valued Big Time
Background: It has recently been postulated that the value humans place on rarity could cause the extinction of rare species. This is because people are willing to pay the high costs of exploiting the last individuals. Many hobbies, such as ecotourism or the keeping of exotic pets may cause this…
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Temperature or competition: Which has more influence on Mediterranean ant communities?
Temperature and competition are two of the main factors determining ant community assemblages. Temperature may allow species to forage more or less efficiently throughout the day (in accordance with the maximum activity temperature of each species). Competition can be observed and quantified from…
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El desarrollo de la personalidad emprendedora: un programa de formación empresarial no convencional
RESUMEN Básicamente, el programa de desarrollo de la personalidad Emprendedora es una experiencia piloto a nivel universitario que pretende desarrollar y consolidar en los estudiantes características de personalidad identificadas en diversos estudios, como propias de las personas emprendedoras.
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Isotope Analysis Reveals Foraging Area Dichotomy for Atlantic Leatherback Turtles
Background: The leatherback turtle (Dermochelys coriacea) has undergone a dramatic decline over the last 25 years, and this is believed to be primarily the result of mortality associated with fisheries bycatch followed by egg and nesting female harvest. Atlantic leatherback turtles undertake long…
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The Native Ant Lasius niger Can Limit the Access to Resources of the Invasive Argentine Ant
Within ant communities, the biotic resistance of native species against invasive ones is expected to be rare, because invasive species are often highly dominant competitors. The invasive Argentine ant (Linepithema humile (Mayr)) often demonstrated numerical dominance against its opponents…
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Global economic costs of alien birds
The adverse impacts of alien birds are widespread and diverse, and associated with costs due to the damage caused and actions required to manage them. We synthesised global cost data to identify variation across regions, types of impact, and alien bird species. Costs amount to US$3.6 billion, but…
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Anthropogenic impacts in protected areas: assessing the efficiency of conservation efforts using Mediterranean ant communities
In countries with high levels of urbanization, protected areas are often subject to human disturbance. In addition to dealing with fragmentation, land managers also have to confront the loss of characteristic ecosystems due to biotic homogenization, which is the increasing similarity of species…
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Rarity Value and Species Extinction: The Anthropogenic Allee Effect
Standard economic theory predicts that exploitation alone is unlikely to result in species extinction because of the escalating costs of finding the last individuals of a declining species. We argue that the human predisposition to place exaggerated value on rarity fuels disproportionate…
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Correction: Isotope Analysis Reveals Foraging Area Dichotomy for Atlantic Leatherback Turtles
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Eficiencia de la Cloración como Proceso de Desinfección de Aguas Municipales Tratadas en un Sistema Biológico Combinado Anaeróbico-Aeróbico
En vista de los problemas que enfrenta la humanidad debido a la escasez de agua, la reutilización de aguas residuales tratadas surge como alternativa para disponer de agua para diversos usos. En esta investigación se evaluó la eficiencia de la desinfección con cloro en aguas residuales municipales…
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Introduced ant species occupy empty climatic niches in Europe
Abstract Exploring shifts in the climatic niches of introduced species can provide significant insight into the mechanisms underlying the invasion process and the associated impacts on biodiversity. We aim to test the phylogenetic signal hypothesis in native and introduced species in Europe by…
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First synthesis of the economic costs of biological invasions in Japan
Despite the large body of knowledge recognising the impact of biological invasions on biodiversity, their economic impact has been less evaluated. However, the associated economic costs ought to provide useful information on many different aspects to prevent and manage invasions. Here, we describe…
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Propuesta para la adecuación del sistema de tratamiento de agua potable en una empresa del sector avícola
El tratamiento del agua potable en la industria avícola es crucial para garantizar la calidad del producto y la salud de los trabajadores. La composición del agua varía según el proceso industrial, la infraestructura y su uso en las instalaciones. En este estudio, se evaluó la eficiencia del…
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Economic costs of biological invasions in Ecuador: the importance of the Galapagos Islands
Biological invasions, as a result of human intervention through trade and mobility, are the second biggest cause of biodiversity loss. The impacts of invasive alien species (IAS) on the environment are well known, however, economic impacts are poorly estimated, especially in mega-diverse countries…