Jessica Schaefer. Introduction - Historically, ecological research was conducted in pristine wilderness areas - It is estimated that between 1/3 and ½.

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Presentation transcript:

Jessica Schaefer

Introduction - Historically, ecological research was conducted in pristine wilderness areas - It is estimated that between 1/3 and ½ the planet’s land surface has been directly affected by humans - Understanding the effects of human disturbance on ecosystem production is vital, especially in light of current concerns over global climate change and carbon budgets

Urbanization

1. Heat Pollution LANDSAT Map with Red Overlay to Show Hottest Temperatures

2. Fertile Land Trend In California, 15% of Fertile Agricultural Land is Urbanized (Imhoff Et al. 2004)

3. Land Management Golf Course in Las Vegas, Nevada

Landscape Mosaics

1. Managed Forests

2. Natural Disturbance Forest fire started by lightning, Yellowstone National Park, Wyoming, USA © David Woodfall/WWI/Still Pictures

3. Human Disturbance Legend Light Blue: Deforestation Light Red: Regrowth Dark Red: Forest Tropical Deforestation and Habitat Degradation In the Brazilian Amazon Basin eospso.gsfc.nasa.gov/.../images/p24aL.GIF

Discussion What about… - Root Biomass? - Edge Effects? How to address land mosaics?

Conclusion Where to go from here? - Continued integration of GIS, remote sensing, modeling, and field observation - Further refinement of current models - Application to global climate change

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