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Stable equilibrium

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As an open system, an ecosystem will normally exist in a stable equilibrium, either in a steady-state equilibrium or in one developing over time (for example, succession), and will be maintained by stabilising negative feedback loops.

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[14 June 2017]

[14 June 2017]

  1. How does your body regulate its temperature?

  2. How is your body’s temperature regulation an analogy for an ecosystem in stable equilibrium?

Feedback loops

[25 August 2014]

[25 August 2014]

  1. Detail each of the following feedback loop examples from the video:

    1. Plant Death and Soil Enrichment

    2. Forest Removal and Erosion - a harmful positive feedback

    3. Lynx and Snowshoe Hare Population Cycle

    4. Pesticide and Insect Population Chain

[Source]

[Source]

  1. Outline, in your own words, the climate change positive feedback example from the diagram on the left.

  2. Outline, in your own words, the climate change negative feedback example from the diagram on the left.

Negative feedback loops