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Documenting Biodiversity

Secondary, Middle

Description

Ichthyologist Noel Alfonso discusses his work as a biologist, emphasizing the importance of documenting biodiversity.  His research involves the taxonomy and systematics of fish species. In this short video he explains how the specimens and data he collects in the field are used to provide  information about changes taking place in the environment. For example changes in the numbers and distribution of an "indicator species" like the Brook Silverside can reveal a decline in the water quality of the habitat.

General Assessment

Recommendation of how and where to use it

This video will definitely help a class understand the importance of biodiversity in a real world context. It will also support the understanding of the concept of  indicator species. Due to some of the  terminology used the video may be more suitable for older students.

Relevant Curriculum Units

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Themes Addressed

  • Ecosystems (2)

    • Appreciating the Natural World
    • Biodiversity