Natural Disturbances

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Learning Outcomes

By the end of this activity, learners will:
  • List and describe several important forms of natural disturbance that affect Alberta’s boreal forest
  • Describe the role natural disturbance plays in the long-term health of the boreal forest
  • Describe forms of human-caused disturbance that affect the boreal forest
  • Describe forms of disturbance that occur naturally in other ecosystems around the world

Curriculum Connections

Alberta
Grade 7 Science: Interactions and Ecosystems
  • STS 2 Trace and interpret the flow of energy and materials within an ecosystem; analyze ecosystems to identify producers, consumers and decomposers; and describe how energy is supplied to and flows through a food web, by: describing and giving examples of energy and nutrient storage in plants and animals; describing how matter is recycled in an ecosystem through interactions among plants, animals, fungi, bacteria and other microorganisms; interpreting food webs, and predicting the effects of changes to any part of the food web
  • STS 4 Describe the relationships among knowledge, decisions and actions in maintaining life-supporting environments; identify intended and unintended consequences of human activities within local and global environments

Length of Activity

1.5 hours

Materials List

  • Natural Disturbances Backgrounder
  • Natural Disturbances Learner Worksheet
  • Natural Disturbances Learner Worksheet Answer Key

Online Lesson Format