Trace element stoichiometry of marine plankton & its effect ... - IMBER
Trace element stoichiometry of marine plankton & its effect ... - IMBER
Trace element stoichiometry of marine plankton & its effect ... - IMBER
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<strong>Trace</strong> metal <strong>effect</strong>s on the <strong>marine</strong> C cycle:<br />
Remineralization and C trophic transfer<br />
PROTOZOANS<br />
Fe case study<br />
- require 2-3 fold more Fe<br />
than phyto<strong>plankton</strong><br />
-their growth efficiency<br />
decreases under low Fe<br />
(34 vs. 16 %), despite<br />
faster filtration rates and<br />
ingestion rates <strong>of</strong> C<br />
Phyto<strong>plankton</strong><br />
iron-deficient ~ 3<br />
(Maldonado & Price 1996)<br />
- Fe recycling was higher<br />
when Fe limited (60 vs.<br />
85%)<br />
(Chase & Price 1997)
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