26 PP and Secondary Productivity 12-4-09

26 PP and Secondary Productivity 12-4-09 - Black-capped...

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Unformatted text preview: 12/4/2009 Black-capped warbler Ecology 203 Overview Life in the Phys. Env. Organisms and Evolution Populations Species Interactions Communities Ecosystems Ecological Applications Gregg Hartvigsen 1 12/4/2009 Ecosystems Energy and Primary Productivity (Chapt 22) Secondary Productivity (Chapt 23) Nutrient Cycling (Chapt 24) Ecosystem Dynamics – Climate Change (Chapt 24) Final Exam: 8:00 AM on December 18 Energy & Productivity Overview Definition of productivity Individual-level Ecosystem-level 2 12/4/2009 Nutrient limitation 3 12/4/2009 Nutrient limitation Redfield ratios 16:1 ecological stoichiometry 4 12/4/2009 NPP Biomass/NPP Biomass (kJ/m2) / NPP (kJ/m2/yr) 5 12/4/2009 Terrestrial Systems Aquatic Systems Terrestrial Systems Aquatic Systems 6 12/4/2009 What does this relationship look like across different different biomes? 7 12/4/2009 The effect of fertilization on NPP 8 12/4/2009 Nutrient limitation in the Sargasso Sea: Krebs, pg 460 The effect of fertilization on NPP = no “INTERACTION” analyze this…. 9 12/4/2009 What is the effect of fertilization on the biomass of phytoplankton in a lake? Now be a critical scientific thinker and evaluate….(inference) 10 12/4/2009 Conclusion: Productivity depends on: climatic factors (e.g., radiation and precipitation) plant adaptations (photosynthetic pathway) 11 ...
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This note was uploaded on 07/11/2010 for the course BIO 209 taught by Professor Hartvigsen during the Spring '09 term at SUNY Geneseo.

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26 PP and Secondary Productivity 12-4-09 - Black-capped...

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