OCR AS Biology - Unit 2: Conservation

Flash cards on conservation in OCR AS Biology.

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In situ conservation

- In situ conservaion means attempting to minimise the impact of human impact on the natural environment

- Legislation has been passed/can be passed to stop activities such as logging, hunting and land clearance
* It is not always easy for a government to enforce such legislation
* Legislation is specific to each country and it can sometimes be hard to persuade other countries that it is necessary

- Conservation parks are established to preserve the wildlife (both plant and animal) in an area
* The locations of conservation parks and national parks/nature reserves are chosen due to 3 criteria:
                Comprehensiveness - how many species are represented in the area?
                Adequacy - area large enough & can species survive/be sustained?
                Representativeness - Is there a full range of diversity within each
                                                   species/environmental conditions?

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Advantages/disadvantages of in situ conservation

- Plants and animals remain in their natural environment.

- Permanently protects biodiversity

- Provides oppurtunities for ecologically sustainable land uses

- Makes it easier for environment to be cared for

- Facilitates scientific research

- Tourists feed protected animals as well as dropping litter

- Continiued poaching in breach of legislation could still affect biodiversity

- Protected animals may leave reserve to raid crops

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Humans and reservations

- Indigenous people must have their needs met by the reserve; they may use the land for spiritual or religious activity.

- Reserves established without the consent of indigenous populations has lead to conflicts in the past, mostly attributed to the downsides mentioned previously.

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