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Politics : Politics of Energy

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To: RetiredNow who wrote (9993)	6/25/2009 8:13:42 PM
From: Hawkmoon	Read Replies (2) of 86356

You think it is due to runoff from fertilizer and I think it is due to increased ocean acidity from increased CO2 levels. No.. I think it's due to agricultural soil conservation measures over the past 100 years and loss of wind-born nutrients. It could also be due to shifting winds that no longer carry nutrients to oceanic "dead zones". And MM.. it CANNOT BE DUE TO OCEAN ACIDITY when experiments have PROVEN that Diatoms can be INDUCED to grow merely by adding Iron Sulphate and Silica. The Diatoms are DORMANT, just waiting for an available supply of nutrients to become available to nourish their growth. If ocean acidity were preventing diatomic growth, then it wouldn't matter how much we fertilized. The acidity would prevent the growth of diatoms by dissolving their shells. If anything, some other form of phytoplankton, resistant to acidity, would grow and die at the surface. But the SOIREE experiments obtained DIATOMIC growth. So stop quoting ocean acidity as the cause. It's not logical.. But what is logical is insufficient nutrients being available to spur dormant Diatoms into reproducing. Hawk

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