Causes and consequences of animal dispersal strategies: Relating individual behavior to spatial dynamics

Article Abstract:

Knowledge of the ecological and evolutionary causes of dispersal can be crucial in understanding the behavior of spatially structured populations, and predicting the way in which species respond to environmental change. Empirical studies have investigated correlates of the stages, emigration in particular, providing evidence for the prevalence of conditional dispersal strategies.

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Reviving a neglected celestial underwater polarization compass for aquatic animals

Article Abstract:

Substantial in situ measurements on clear days in a variety of marine environments at depths in the water down to 200 m have demonstrated the ubiquitous daytime presence of sun-related e-vector patterns. In most lines of sight the e-vectors tilt from horizontal towards the sun at angles equal to the apparent underwater refracted zenith angle of the sun.

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Eat and run? The hunger/satiation hypothesis in vertical migration: history, evidence and consequences

Article Abstract:

The study of vertical migrations in aquatic organisms is discussed. The evidence for individual vertical movements and the hypothesis that such movements are driven by hunger and satiation is also reviewed.

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