Marine Biology: An Ecological Approach
Appropriate for undergraduate majors and graduate students in marine biology and marine ecology, Marine Biology: An Ecological Approach emphasizes the ecological principles that govern marine life throughout all environments within the world's oceans. Its unique ecological approach adds real-world relevance by exploring how organisms interact within their individual ecosystems. The text is organized by habitat and each habitat receives detailed, in-depth coverage, giving instructors flexibility to focus on their particular areas of interest. The Fifth Edition is fully updated with the latest research data and topics, including expanded coverage of the human impact on oceans, oceanic dead zones, and coral reefs. In addition to Nybakken's engaging writing style, the text now offers enhanced pedagogy with new end-of-chapter summaries, a new four-color design to complement the art program, an art CD-ROM for instructors, and a text specific Companion Web site.
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The wind-driven surface current moves at an angle of 45° to the direction of the
wind, to the right in the Northern Hemisphere, to the left in the Southern
Hemisphere. Successively deeper water layers are deflected even further with
respect to ...
When light strikes the surface of the water, a certain amount of light is reflected;
the amount depends on the angle at which the light strikes the surface of the
water. If the angle from the horizontal is low, a large amount will be reflected.
15 Diagram showing how a keel on the ventral surface of an animal eliminates
the dark shadow normally cast downward by an unkeeled animal. The presence
of the shadow means that an animal living deeper and looking up would See the
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H A P T E R
SOME ECOLOGICAL PRINCIPLES
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