Ecosystems
- Created by: Kat
- Created on: 17-11-13 10:47
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- Ecosystems
- A physical environment with a particular set of conditions plus all the organisms that live in it
- Natural ecosystems
- Have a high biodiversity
- Many different species of plants and animals coexist in the same environment
- Artificial ecosystems
- E.g. Greenhouses
- Designed and maintained for a particular purpose so they have a lower biodiversity
- Weedkillers, fertilisers and pesitcides
- Can be used in artificial ecosystems to prevent other animals and plants from growing alongside the crop
- Leads to low biodiversity
- Forestry Plantations
- Very carefully set up, controlled and monitored.
- Have less biodiversity because they haven't been established as long as natural woodland
- Fewer species are introduced at the setting up stage and not all species survive from the start
- Fish Farms
- Show less biodiversity as they have existed for a shorter amount of time compared to lakes
- In the absence of predators some fish will thrive and some won't
- There are fewer diseases which can result in too many of a certain species reducing others
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