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Available on catch-up

Time to rewild the ocean

To celebrate British Science Week 2024, we will be joining scientists from the Convex Seascape Survey to find out all about the relationship between time and rewilding.

The team have come back from the Isle of Arran in Scotland where they have been studying the impact of human activity on the seabed and the time it takes for life to recover once an area is protected.

The lesson will also touch on longer timescales and examine the idea of shifting baselines, our changing idea of what healthy environments look like, and how we can be more ambitious about nature recovery.

Broadcast on Thu 14 Mar 2024
  • 45 mins
  • Ages 11-14 / KS3

Broadcast on YouTube Live

Learning objectives

This live lesson focuses on the themes of:

  • Examine the interdependence of organisms in an ecosystem
  • How organisms affect and are affected by changes in their environment
  • Understand the importance of science in conservation
Preparation

This is a standalone lesson for British Science Week 2023. No specific preparation is needed but teachers may wish to view some of the lower secondary (key stage 3) resources from the Convex Seascape Survey.

Supporting student sheets will be available to download from this page after half term.

If you have never joined a live lesson before, visit the support centre, where you can find a range of technical and educational information.

Questions generated by your class can be submitted via the interaction app that will appear on this lesson page once you have booked the lesson.

Lesson steps

1. Introduction (5 minutes)

We welcome classes to the live lesson, meeting Ben and Mara. We will also hear about the amazing work of the Convex Seascape Survey.

2. Impact of human activity (10 minutes)

Ben and Mara take us to the Isle of Arran and we view some of the underwater footage they have gathered of the areas. They will guide classes through the different stages of destruction and recovery.

3. Seabed habitat succession (10 mins)

As habitats recover different organisms play different roles across different timescales. During this lesson section, classes will examine the roles of different species.

4. Shifting baselines (5 mins)

Our idea of what nature looks like shifts over time, and our ambitions for nature recovery can shift too. This section of the lesson examines the importance of timescales in conservation efforts, and the ambitions we have for conservation.

5. Q&A (15 minutes)

This is a chance for classes to ask Ben and Mara any questions they may have.

Speakers

SPEAKER BEN HARRIS

Dr Ben Harris

Research Fellow, University of Exeter

SPEAKER MARA FISCHER

Mara Fischer

PhD Student, University of Exeter

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