Browsing by Title
Now showing items 44841-44860 of 94266
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(Oxford University Press, 2020)
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(Wiley, 2021)Effective communication requires a match among signal characteristics, environmental conditions, and receptor tuning and decoding. The degree of matching, however, can vary, among others due to different selective pressures ...
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(OXFORD UNIV PRESS INC, 2010-08-06)Animal personalities are interindividual behavioral differences that are consistent across time or contexts. Increasing research is revealing the adaptive significance of personalities, although the mechanisms driving ...
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(BLACKWELL, 2008-06)1. It has been proposed that habitats with low productivity, and hence low resource availability, may favour individuals with lower rates of resource use and energy expenditure. In birds, some studies have shown that basal ...
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(Springer, 2020)The geographical distribution and ecological niche of the two circulating species of the Sporothrix genus in Venezuela was established. For this, 68 isolates of Sporothrix spp. from patients of different regions of the ...
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(Elsevier, 2018-05)The presented study analyzed the presence and geographical distribution of the tropical and temperate lineages of Rhipicephalus sanguineus sensu lato in Chile. R. sanguineus s.l. ticks were collected from dogs at 14 sites ...
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(Nature Publishing Group, 1993)Childhood acute lymphoblastic leukaemia (ALL) T and B precursor subtypes have been identified by standardised immunophenotyping in different geographic and ethnic settings. Comparison of the relative frequencies and estimated ...
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(Elsevier, 2015)Objective: To describe the distribution of alcohol-attributable mortality (AAM) at the local level (345 municipalities) in Chile, including fully and partially attributable causes in 2009. Methods: AAM was estimated ...
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(ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD, 2006-06)We assessed the geographic distribution of Tillandsia lomas in northern Chile, from Arica (18 degrees 20'S) to the Loa river (21 degrees 25'S) and discussed the factors that might potentially underlie the observed patterns. ...
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(WILEY-BLACKWELL, 2016)Orestias ascotanensis is a killifish endemic to the Ascotan salt pan in the Chilean Altiplano, where it inhabits 12 springs with different degrees of isolation. This species is a suitable model for studying the effect of ...
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(Public Library Science, 2020)Many freshwater ecosystems worldwide, and particularly Mediterranean ones, show increasing levels of salinity. These changes in water conditions could affect abundance and distribution of inhabiting species as well as the ...
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(BLACKWELL, 2008-05)The movement of materials and organisms between ecosystems is a common process in nature. In the present study we investigate the hypothesis that the movement of consumers between ecosystems depends not only on the ...
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(Springer-Verlag, 1965)Drosophila gasiciBrncic 1957, is a neotropical species found in several parts of the Andes Mountain System. By means of the analysis of their external characteristics, chromosomes and hybridization test they have been ...
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(Elsevier, 2017)The complex orogenic history and structure of Southern South America, coupled with Pleistocene glacial cycles, have generated paleoclimatic and environmental changes that influenced the spatial distribution and genetic ...
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(University of Chicago, 2020)Amphibian locomotor capacity is strongly linked to temperature and hydration. However, organisms in nature experience covariation of multiple environmental factors, and thus to better understand the effects of thermal and ...
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(Universidad de Chile, 2013)En la presente investigación se pretenden analizar los hitos y huellas territoriales que los discursos del Desarrollo económico han dibujado en la conurbación Concepción- Talcahuano desde 1950 al 2011. Ello con la finalidad ...
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(Universidad de Chile, 2022)A la luz del desarrollo tecnológico actual y la necesidad de ingeniar nuevas maneras de acreditar la comisión de delitos y la participación de los sospechosos en estos, el siguiente trabajo tiene por finalidad analizar ...
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(Peerj INC, 2018)Chile is the leading producer of copper worldwide and its richest mineral deposits are found in the Antofagasta Region of northern Chile. Mining activities have significantly increased income and employment in the region; ...
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(Universidad de Chile, 2017)Esta tesis está inspirada por dos tareas del proceso de evaluación de recursos en proyectos mineros: la caracterización y el modelamiento geológicos. Ambas áreas están directamente relacionadas con la percepción visual y, ...
