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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o n contrast to the plankton, the nekton comprises those organisms that have
developed powers of locomotion S0 that they are not at the mercy of the
prevailing ocean currents or wind-induced water motion. They can move at will
through the ...
ENVIRONMENTAL CONDITIONS The environmental factors acting in the
epipelagic zone inhabited by the nekton are, of course, the same as those
reported in the preceding chapter for the plankton (see pp. 59–66), and include
SUMMARY OF KEY CONCEPTS • Nekton includes all organisms capable of
sustained locomotion against water motion. • Nekton are difficult to study in
nature and difficult or impossible to keep in captivity. • The oceanic nekton
comprises a ...
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H A P T E R
SOME ECOLOGICAL PRINCIPLES
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