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Although most of you already know this Noctiluca is 100% heterotrophic, but often has a photosynthetic symbiont inside. Regarding suspected ammonia/ammonium toxicity. ..if one wants to see if this is the case here in PS, fresh samples can be analyzed very
quickly for ammonium at FHL by my RTC team (there until June 29) using a very precise and accurate fluorescence assay. Samples should be collected wearing gloves in a clean, well-rinsed container (PP or HDPE) and stored in the dark and chilled...do not freeze.
<div>Bill<br>
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<div><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Calibri; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; ">William
Cochlan, PhD
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<div>Senior Research Scientist<br>
Romberg Tiburon Center</div>
<div>San Francisco State University<br>
3152 Paradise Drive<br>
Tiburon, CA 94920<br>
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Office:<span class="Apple-converted-space"> </span><span class="Apple-tab-span" style="white-space: pre; ">
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Fax:<span class="Apple-converted-space"> </span><span class="Apple-tab-span" style="white-space: pre; ">
</span>415-435-7120<br>
Cell:<span class="Apple-converted-space"> </span><span class="Apple-tab-span" style="white-space: pre; ">
</span>808-640-8552<br>
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E-mail: <a href="mailto:cochlan@sfsu.edu">cochlan@sfsu.edu</a><br>
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<div>On Jun 13, 2012, at 7:09 AM, Krembs, Christopher (ECY) wrote:</div>
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<div>Quarter Master Harbor Noctiluca from the air. Tuesday 4:15 PM<br>
<br>
Christopher<br>
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-----Original Message-----<br>
From: <a href="mailto:soundhab-bounces@whoi.edu">soundhab-bounces@whoi.edu</a> [mailto:soundhab-bounces@whoi.edu] On Behalf Of Karlista Rickerson<br>
Sent: Tuesday, June 12, 2012 4:44 PM<br>
To: <a href="mailto:soundhab@whoi.edu">soundhab@whoi.edu</a><br>
Subject: SoundHAB: Noctiluca vs brown<br>
<br>
<br>
Quarter Master Harbor at 12:30 today<br>
Away from the mass of Noctiluca piled at the north end or the windward corner of the float.<br>
Does Noctiluca comsum other plankton or just use up all other nutrients? The sample gathered in a qt jar had the heavy orange scum at the top, this morning the scum had piled up on the bottom of the jar (in the frig.)?Reading the other posts I remember that
when I sampled from QMH yesterday I could see tan blobs at different depth drifting by under the faint orange scum.<br>
I took a sample of just the tan blobs - looks like bits and pieces of Cheatoceros!<br>
The net tow sample that we took at 12:30 was very "clean"! Chaetoceros rare, Dinophyses total of 3 and no PN or Alex. Total math not yet done.<br>
All too interesting and I need to move on to other items!<br>
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