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Brian Darby and Brett Goodwin, University of North Dakota Using pathway maps to link concepts, peer review, primary literature searches, and data assessment in large enrollment classes: an example from teaching ecosystem ecology Study Guide for Ecosystem Ecology Key readings*: Nature Scitables: Energy Economics in Ecosystems (Bemen 2010), Nature Scitables: Secondary Production (Benke 2010) Nature Scitables: Food Web: Concept and Application (Hui 2012) Nature Scitables: The Nitrogen Cycle: Processes, Players, and Human Impact (Bernard 2010) Learning Goals; you should be able to: Describe the main environmental factors that influence primary production (Bemen 2010). Describe a food web (Hui 2012) and how carbon and nitrogen move from one trophic level to the next Explain how temperature, moisture, and chemical composition affect decomposition Terms to know (some are used in the readings, others you may need to look up): Primary production Net vs. gross primary production Water holding capacity nitrogen mineralization organic vs. inorganic nutrients (C, N, P) labile vs. resistant assimilation mineralization decomposition actual evapotranspiration mean annual temperature C:N lignin In class: Create a pathway map of ecosystem processes and find data to support or refute questionable links.