Nekton
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High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Nekton refers to the aggregate of actively swimming aquatic organisms in a body of water (usually oceans or lakes) able to move independently of water currents. Nekton are contrasted with plankton which refers to the aggregate of passively floating, drifting, or somewhat motile organisms occurring in a body of water, primarily comprising tiny algae and bacteria, small eggs and larvae of marine organisms, and protozoa and other minute predators. As a rule of thumb, nekton are larger and tend to swim largely at biologically high Reynolds numbers (10^3 and up beyond 10^9), where inertial flows are the rule, and eddies (vortices) are easily shed. Plankton, on the other hand, are small and, if they swim at all, do so at biologically low Reynolds numbers (0.001 to 10), where the viscous behavior of water dominates, and reversible flows are the rule.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786131479021
- Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
- EAN 9786131479021
- Titel Nekton
- Herausgeber Betascript Publishing
- Anzahl Seiten 84
- Genre Biologie
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