9 Critical Factors in Plankton Abundance
9 Critical Factors in Plankton Abundance
9 Critical Factors in Plankton Abundance
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Decl<strong>in</strong>e of the Spr<strong>in</strong>g<br />
Phytoplankton Increase<br />
Why do phytoplankton (diatoms) decl<strong>in</strong>e?<br />
1. Water column is STABLE<br />
2. Diatoms are denser than sea water<br />
In shallow water shelf waters: diatoms start<br />
s<strong>in</strong>k<strong>in</strong>g from surface water to bottom,<br />
which removes nutrients.<br />
3. Zooplankton graz<strong>in</strong>g? Has some effect but<br />
often secondary to s<strong>in</strong>k<strong>in</strong>g.
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