Html life in the extreme deep sea 11

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Unformatted text preview: s nitrogen, phosphorus). EUTROPHIC •  •  Can cause red <des (algal bloom, dinoflagellates, neurotoxins). A higher level of primary produc<vity supports a higher concentra<on of zooplankton and aqua<c animals. Chlorophyll concentra<on (RED = HIGH) 9 Brock Biology of Microorganisms, 13th Edi<on. Deep sea •  Between 300 and 1000 m, heterotrophs degrade organic maPer that falls from the pho<c zones. 2- 3°C, psychrophiles. •  Below 1000 m, organic carbon is very scarce, oligotrophic, no light. Very few microorganisms (psychrophilic and barophilic or barotolerant). Whale fall (1600 m deep): a source of nutrients. Example of a large pro<st (Xenophyophore) found on the deep sea floor (5,000 m deep). Bar = 100um. 10 hPp://www.springerlink.com/content/j136828...
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