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Unformatted text preview: Fecal pellets Molts Aggregates Large falls • Plants and animals • Important for energy • Scavengers o Amphibods, brittlestars, fish o Unpredictable and sporadic o Many ssp are active foragers- disperse POM Marine snow Sink faster as collect more material while sinking in the water column Terrestrial vegetation Migrating fish and larvae Large fish and mammals Fecal pellets Chinitous molts POM flux to the deep sea Less than 1 in 10 molecules make it to floor Only 1/3 of it can be characterized Sinking rate • 100 m/d seasonal variation in POM flux not widely measured varies with surface productivity deep sea seds avg <.1% OC shelf seds avg 1% OC • Food supply • Organisms • Hydrothermal vents • Cold seeps...
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- Spring '08
- Thermodynamics, 10cm, 4km, 4 deg, 2 deg, 6km