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Bark Beetle Outbreaks
http://science360.gov/obj/tkn-video/af34b25e-fa9b-49bc-93cd-9b1c29e34820

National Science Foundation, NBC Learn, Science 360 Network

In this video, the mountain pine beetle problem is explained by two scientist. Their research investigates the beetle and how climate change is impacting its spread.

Video length 5:14 minutes.

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Climate Literacy
About Teaching Climate Literacy

Individual organisms survive within specific ranges of temperature, precipitation, humidity, and sunlight. Organisms exposed to climate conditions outside their normal range must adapt or migrate, or they will perish.
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Changes in climate conditions can affect the health and function of ecosystems and the survival of entire species. The distribution patterns of fossils show evidence of gradual as well as abrupt extinctions related to climate change in the past.
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Environmental observations are the foundation for understanding the climate system. From the bottom of the ocean to the surface of the Sun, instruments on weather stations, buoys, satellites, and other platforms collect climate data. To learn about past climates, scientists use natural records, such as tree rings, ice cores, and sedimentary layers. Historical observations, such as native knowledge and personal journals, also document past climate change.
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Ecosystems on land and in the ocean have been and will continue to be disturbed by climate change. Animals, plants, bacteria, and viruses will migrate to new areas with favorable climate conditions. Infectious diseases and certain species will be able to invade areas that they did not previously inhabit.
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mate change will have consequences for the Earth system and human lives
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Benchmarks for Science Literacy
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The world contains a wide diversity of physical conditions, which creates a wide variety of environments: freshwater, marine, forest, desert, grassland, mountain, and others. In any particular environment, the growth and survival of organisms depend on the physical conditions
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If a disturbance such as flood, fire, or the addition or loss of species occurs, the affected ecosystem may return to a system similar to the original one, or it may take a new direction, leading to a very different type of ecosystem. Changes in climate can produce very large changes in ecosystems.
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Changes in environmental conditions can affect the survival of individual organisms and entire species.
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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • Use as part of an ecosystem or climate science unit or lesson.
  • Extension suggestions: research how the mountain pine beetle infestation has affected ecosystems (bear habitats) and changed laws. How big is the area affected? What effect does a changing climate have on the beetle infestation?
  • Have students sketch out how mountain pine beetle infestation affects different spheres.

About the Science

  • Drs. Raffa and Blomquist study the mountain pine beetle and how climate change is impacting its spread. Their research focuses on mountain pine beetles' pheromones -- which attract other beetles to the infested trees thereby overwhelming and killing the trees -- in order to prevent further outbreaks of these beetles.
  • Comments from expert scientist: Excellent explanation of some of the mountain pine beetle (MPB) ecology, including a good primer on pheremones and mass attack. Good illustrations, and the people interviewed truly are experts in the field. Makes mechanistic links between MPB and climate change.

About the Pedagogy

  • Very clear and concise explanation of the life cycle of mountain pine beetles.

Technical Details/Ease of Use

  • A good selection of graphics and images are used.

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