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Climate Change from an Ecological Perspective

Climate Change from an Ecological Perspective. Steven T. Rier Dept. of Biology and Allied health. Photo by Chris Vogel. An ecological perspective?. Sunlight. Cycling of Carbon, Nitrogen, & Phosphorus. organisms (animals, plants, and microbes) interact in and with the natural world.

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Climate Change from an Ecological Perspective

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  1. Climate Change from an Ecological Perspective Steven T. Rier Dept. of Biology and Allied health Photo by Chris Vogel

  2. An ecological perspective? Sunlight Cycling of Carbon, Nitrogen, & Phosphorus organisms(animals, plants, and microbes) interactinand with the natural world Ecosystem example Photosynthesis

  3. Humans are a part of ecosystems

  4. Functional Ecosystems • Balanced, adaptive, and diverse assemblage of organisms • Often provide functions essential for humans • Detoxify pollutants in water • Lessen the effects of flooding • Pollination of crops

  5. Effects of climate change on ecosystems are complex

  6. Human Population Agriculture Industry and transportation Land use/ cover changes CO2 Increase Loss of ecosystem integrity Global climate change • Other human-caused disturbances • Altered nutrient cycles • Pollution • Spread of exotic species

  7. CO2 Increase Loss of ecosystem integrity Global climate change

  8. Direct effects of elevated CO2 on Plants • Increased production of C-based compounds • More carbohydrates • More fiber • More tannin • Less protein

  9. Effects of elevated CO2 on ecosystems

  10. CO2 Increase Loss of ecosystem integrity Global climate change

  11. Global climate change Warming Extreme weather events Drought Loss of ecosystem integrity

  12. Human Population Agriculture Industry and transportation Land use/ cover changes CO2 Increase Loss of ecosystem integrity Global climate change • Other human-caused disturbances • Altered nutrient cycles • Pollution • Spread of exotic species

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