11-Microbiology_Water_Mar12

Html life in the extreme deep sea 11

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

Ask a homework question - tutors are online