The Ecology of Fishes on Coral Reefs by Peter F. Sale
By Peter F. Sale
This publication presents a entire and updated evaluation of the ecology of coral reef fishes awarded through best researchers from North the US and Australia. tremendous strides were revamped the previous two decades in our figuring out of ecological platforms generally and of reef fish ecology particularly. the various methodologies that reef fish ecologists use of their reports may be helpful to a much broader viewers of ecologists for the layout in their ecological reports. major one of the affects of the learn on reef fish ecology are the improvement of nonequilibrium versions of neighborhood association, extra emphasis at the position of recruitment variability in structuring neighborhood assemblages, the improvement and trying out of evolutionary versions of social association and reproductive biology, and new insights into predator-prey and plant-herbivore interactions.
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Additional resources for The Ecology of Fishes on Coral Reefs
To compare the photon catch of visual pigments with different Xmax values requires summation of the light absorbed by each pigment under similar photic conditions over its total absorption spectrum (here considered to be 400 to 700 nm). Using this computational method and our 1973 study of coral reef fishes, Govardovskii ( 1976) calculated that rod pigments with a Xmax near 493 nm would improve photoabsorption by only 5 percent as compared to a pigment at 540 nm. Because these absorptive differences are small, he concluded that the clumping of rod pigments in coral fishes had little to do with maximizing photosensitivity.
McFarland 34 have been demonstrated in coral reef fishes, quantitative behavioral studies to evaluate the abilities of reef fishes to discriminate colors may be more critical for our understanding of the visual environment of reef fishes than studies of the physiological basis of their color vision. C. , graininess of the retina), and, ultimately, the optical properties of the cornea and lens (Lythgoe, 1979). Because the refractive index of the cornea is similar to that of water, the cornea adds little to resolving power.
In depths shallower than 20 m, a pigment with Xmax at 530 nm would improve photoabsorption of downwelling light at night and diminish it during twilight (Fig. 4E and F). At greater depths during the night and at all depths during twilight, however, the actual Xmax range for the rod pigments of reef fishes is optimal. B. Is the Spectral Position o f a R o d Pigment Significant? To compare the photon catch of visual pigments with different Xmax values requires summation of the light absorbed by each pigment under similar photic conditions over its total absorption spectrum (here considered to be 400 to 700 nm).