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Complete page 7 in the Student Pre-visit Booklet for this section.
Learning Intention
Learning Intention
To learn more about different ways to sample the biotic features of an ecosystem.
Inquiry Questions:
Inquiry Questions:
What are the biotic features of a habitat?
How do we measure biotic features?
Crab at Bobbin Head
Crab Sampling Techniques
Crab Sampling Techniques
During your fieldwork, crab populations will be estimated using sampling techniques. These make an estimate, which is roughly accurate of the population.
Abundance refers to the number of individuals in the area. A 1 metre x 1 metre quadrant will be used to measure abundance of crab holes, the assumption being that crab holes = number of crabs. Click here to read the paper that references this.
Mangrove and Saltmarsh Ecosystems: Ecosystem Survey Techniques: QuadratsVimeo (18:56min)
Ecosystem Survey Techniques: Quadrats
Ecosystem Survey Techniques: Quadrats
The following is a case study and support material addressing HSC Biology 2018 module 4: Ecosystem dynamics, population dynamics, and future ecosystems.
In this video, an ecological consultant demonstrates ecosystem surveying techniques for the collection of valid and reliable data. Geraldene Dalby-Ball is the director of Kingfisher Urban Ecology & Wetlands.
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