Open AccessJournal Article
Resonance effects indicate radical pair mechanism for avian magnetic compass
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TLDR
It is shown that oscillating magnetic fields disrupt the magnetic orientation behaviour of migratory birds, and results are consistent with a resonance effect on singlet–triplet transitions and suggest a magnetic compass based on a radical-pair mechanism.About:
This article is published in Bulletin of the American Physical Society.The article was published on 2005-03-24 and is currently open access. It has received 439 citations till now. The article focuses on the topics: Resonance.read more
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Magnetic orientation and magnetoreception in birds and other animals
TL;DR: Behavioral data from other animals indicate a light-dependent compass probably based on a radical pair mechanism in amphibians and a possibly magnetite-based mechanism in mammals, and Histological and electrophysiological data suggest a magnetites based mechanism in the nasal cavities of salmonid fish.
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The Radical-Pair Mechanism of Magnetoreception.
P. J. Hore,Henrik Mouritsen +1 more
TL;DR: This tutorial aims to explain the chemical and physical aspects of the radical-pair mechanism to biologists and the biological and chemical aspects to physicists and stimulate new interdisciplinary experimental and theoretical work that will shed much-needed additional light on this fascinating problem in sensory biology.
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Chemical magnetoreception in birds: The radical pair mechanism
TL;DR: A physical chemist's perspective on the “radical pair mechanism” of compass magnetoreception in birds is presented and the essential chemical requirements for detecting the direction of an Earth-strength ≈50 μT magnetic field are outlined and commented on the likelihood that these might be satisfied in a biologically plausible receptor.
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Chemical compass model of avian magnetoreception
Kiminori Maeda,Kevin B. Henbest,Filippo Cintolesi,Ilya Kuprov,Christopher T. Rodgers,Paul A. Liddell,Devens Gust,Christiane R. Timmel,P. J. Hore +8 more
TL;DR: These experiments establish the feasibility of chemical magnetoreception and give insight into the structural and dynamic design features required for optimal detection of the direction of the Earth’s magnetic field.
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Chiral-Induced Spin Selectivity Effect.
Ron Naaman,David H. Waldeck +1 more
TL;DR: The chiral-induced spin selectivity (CISS) effect is reviewed and applications that can result from special properties of this effect, like the reduction of the elastic backscattering in electron transfer through chiral molecules are discussed.
References
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Human Domination of Earth's Ecosystems
TL;DR: Human alteration of Earth is substantial and growing as discussed by the authors, between one-third and one-half of the land surface has been transformed by human action; the carbon dioxide concentration in the atmosphere has increased by nearly 30 percent since the beginning of the Industrial Revolution; more atmospheric nitrogen is fixed by humanity than by all natural terrestrial sources combined; more than half of all accessible surface fresh water is put to use by humanity; and about one-quarter of the bird species on Earth have been driven to extinction.
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Food Web Complexity and Species Diversity
TL;DR: It is suggested that local animal species diversity is related to the number of predators in the system and their efficiency in preventing single species from monopolizing some important, limiting, requisite in the marine rocky intertidal.
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Consequences of changing biodiversity
F. Stuart Chapin,Erika S. Zavaleta,Valerie T. Eviner,Rosamond L. Naylor,Peter M. Vitousek,Heather L. Reynolds,David U. Hooper,Sandra Lavorel,Osvaldo E. Sala,Sarah E. Hobbie,Michelle C. Mack,Sandra Díaz +11 more
TL;DR: The large ecological and societal consequences of changing biodiversity should be minimized to preserve options for future solutions to global environmental problems.
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Productivity and sustainability influenced by biodiversity in grassland ecosystems
TL;DR: In this paper, the authors used a well-replicated field experiment, in which species diversity was directly controlled, to show that ecosystem productivity in 147 grassland plots increased significantly with plant biodiversity.
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