9 Critical Factors in Plankton Abundance
9 Critical Factors in Plankton Abundance
9 Critical Factors in Plankton Abundance
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Cause of the spr<strong>in</strong>g<br />
phytoplankton <strong>in</strong>crease:<br />
Important concepts:<br />
Mix<strong>in</strong>g depth - depth above which all water<br />
is thoroughly mixed, due to w<strong>in</strong>d.<br />
<strong>Critical</strong> depth - depth above which total oxygen<br />
produced <strong>in</strong> the water column equals total<br />
consumed<br />
If: Mix<strong>in</strong>g depth < <strong>Critical</strong> depth: bloom<br />
If: Mix<strong>in</strong>g depth > <strong>Critical</strong> depth: no bloom