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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: tejek who wrote (131938)	2/8/2001 10:26:32 AM
From: combjelly	Read Replies (1) \| Respond to of 1579896

"Yes, there are places where the crude seeps and guess what, nothing grows there." On land that might be true, land-based ecologies aren't my thing. But in the oceans that is not correct. After all, it is just another hydrocarbon, many of the plankton have similar compounds in them to keep them afloat. One of the biggest problems that petroleum causes in the marine environment is that the bacteria use up the oxygen metabolizing it. So large volumes cause certain challenges. The biggest problem with oil spills in the marine environment is the cleanup efforts, in many cases it is better to leave it alone than use the methods that they have. Surfactants are often used, and they cause serious problems to almost everything living in the water column, they lose protective coatings, are poisoned by the chemicals and the dispersed oil uses up all of the oxygen. Sand and other absorbents drop down into the sediments where they get stuck in anaerobic layers and kill off the anaerobes, oxygen sorta kinda being needed to pass the oil up the foodchain and anaerobic areas being somewhat deficit in it...