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Revisión bibliográfica: orientación magnética en aves migratorias

Literature review: magnetic orientation of migratory birds
Authors: Salgado Amil, Martín;

Revisión bibliográfica: orientación magnética en aves migratorias

Abstract

[Resumen]: Este trabajo pretende agrupar información sobre el sistema de orientación mediante compás magnético en aves migratorias. A pesar de que este sistema de orientación no es el único del que disponen las aves, sí es una fuente omnipresente de información orientativa no dependiente de factores externos como las condiciones climáticas. Las aves se orientan por este sistema magnético en un proceso de dos pasos: 1- El mapa, que mediante variaciones en parámetros como la intensidad del campo magnético terrestre aporta información sobre la posición geográfica. 2- El compás, que mediante la inclinación del vector de la línea de fuerza del campo magnético respecto a la gravedad aporta información direccional, ya que este compás es de inclinación y no de polaridad, la dirección aportada es dirección polo o dirección ecuador. Además de entender cómo funciona el sistema de navegación magnético en aves, trataré de esclarecer los modelos de magnetorrecepción propuestos, en los cuales se discuten dos hipótesis, una basada en un mecanismo de pares de radicales y otro que involucra partículas de magnetita.

[Abstract]: This work aims to summarize information to approach the magnetic compass orientation mechanism of migratory birds. Although this guidance system is not the only one available to birds, it is an omnipresent source of orientation information not dependent on external factors such as weather conditions. The birds get orientation with this magnetic system in a two-step process: 1-The map: variations in parameters such as the intensity of the earth's magnetic field provide information on the geographical position. 2- The compass: the inclination of the magnetic field force vector with respect to gravity provides directional information, towards pole or equator direction. In addition to understand how the magnetic navigation system works in birds, I will try to clarify the proposed models of magnetorerception, in which two hypotheses are discussed, one based on a mechanism of radical pairs and another one involving magnetite particles.

Traballo fin de grao (UDC.CIE). Bioloxía. Curso 2018/2019

Country
Spain
Related Organizations
Keywords

Birds, Orientación magnética, Magnetic orientation, Magnetoreception, Magnetorrecepción, Aves

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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green