3 Matching Annotations
- Apr 2025
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Because of their low Re picoplanktondo not sink through the water column as individual cells; they can sink only if pack-aged into larger material (e.g., through predation, fecal pellet, and marine snow for-mation)
Check for similar affirmations from other sources
due to their tiny size, all picoplankton, whether eukaryotic or prokaryotic, have low Reynolds numbers (Re), indicating that their movement is dominated by viscous forces, rather than inertial force
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www.science.org www.science.org
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cell size, density, and nutrient dependency of sinking velocities
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www-annualreviews-org.ezproxy.rice.edu www-annualreviews-org.ezproxy.rice.edu
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When nutrients run out they will often aggregate into flocs that sink quickly out of the photic zone
for small celled diatom species ~ 5 - 50 um size range. - What is the physical effect that causes the flocs to sink? - Higher density vs larger size?
This might work the same for microalgae as well?
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