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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From field studies, Azam (1998) has stated that such direct uptake may account
for up to 50% of the total oceanic primary productivity and that bacteria not only
take up dissolved organic matter but attack both living and dead organic particles
The activity of both methanotrophic bacteria and sulfate-reducing bacteria in the
sediments results respectively in the oxidation of methane from pore fluid to
carbon dioxide and in the reduction of seawater sulfate to sulfide. (From Deep
On the Great Barrier Reef, bacteria have been investigated in both the water
column and in the sediment. Bacterial production is dependent on the dissolved
organic carbon (DOC) from the water flowing over the reef and the particulate ...
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H A P T E R
SOME ECOLOGICAL PRINCIPLES
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