9 Critical Factors in Plankton Abundance

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Decline of the Spring Phytoplankton Increase Why do phytoplankton (diatoms) decline? 1. Water column is STABLE 2. Diatoms are denser than sea water In shallow water shelf waters: diatoms start sinking from surface water to bottom, which removes nutrients. 3. Zooplankton grazing? Has some effect but often secondary to sinking.
Rejuvenation of conditions for the Spring Phytoplankton Increase Why do phytoplankton sometimes increase again in Fall? In fall and winter: water cools, water column becomes isothermal with depth, wind mixing restores nutrients to surface waters until conditions are right next spring
Page 1: 9 Critical Factors in Plankton Abun
Page 4 and 5: Light and Phytoplankton - concepts
Page 6 and 7: Cause of the spring phytoplankton i
Page 9: Cause of the spring phytoplankton i
Page 13: What matters in the spring diatom b
Page 17 and 18: Water column exchange in shallow wa
Page 19 and 20: Water column exchange in shallow wa
Page 21: Water column exchange in shallow wa
Page 25 and 26: Other applications: phytoplankton b
Page 27 and 28: Photosynthetic rate + _ 0 P max Gro
Page 29 and 30: Photosynthesis in Water Column Phyt
Page 32 and 33: Nutrients Nutrients are substances
Page 34 and 35: Nutrients Nitrogen - New vs. Regene
Page 36 and 37: Atmospheric nitrogen Denitrificatio
Page 38 and 39: Nutrients Phosphorus - occurs disso
Page 40 and 41: Nutrients The limiting nutrient? In
Page 42: Nutrients Iron - important cofactor
Page 46 and 47: Nutrients Trace elements such as Mn
Page 48 and 49: Microbial Loop 1. Bacteria are abun
Page 50 and 51: Nutrient uptake Nutrient uptake by
Page 52 and 53: Nutrient uptake K is nutrient conce
Page 54 and 55: Nutrient uptake Application of mode
Page 56 and 57: Phytoplankton Succession Seasonal c
Page 58 and 59: Zooplankton Grazing Grazing effect:

9 Critical Factors in Plankton Abundance

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