Option C: Conservation of biodiversity
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Relative numbers of indicator species can be used to calculate the value of a biotic index.
- Biotic Index (also called "Family Biotic Index") is a scale for showing the quality of an environment by indicating the types of organisms present in it. It is often used to assess the quality of water in rivers.
Skill: Analysis of the biodiversity of two local communities using Simpson’s reciprocal index of diversity.
Simpson's Diversity Index is a measure of diversity which takes into account the number of species present, as well as the relative abundance of each species. As species richness and evenness increase, so diversity increases
The formula for Simpson’s reciprocal index of diversity is:
The higher the index value, the more stable or diverse the area is.
Simpson's Diversity Index is a measure of diversity which takes into account the number of species present, as well as the relative abundance of each species. As species richness and evenness increase, so diversity increases
The formula for Simpson’s reciprocal index of diversity is:
The higher the index value, the more stable or diverse the area is.
In situ conservationIn situ conservation may require active management of nature reserves or national parks.
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Aim 8: Scientists supported by governments are devoting relatively large amounts of effort to save particular animal species. Can criteria be established to justify a hierarchy of value of one species over another?
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Application: Case study of the captive breeding and reintroduction of an endangered animal species. Research the captive breeding program
of the California Condor. How successful has its reintroduction been? |
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Application: Analysis of the impact of biogeographic factors on diversity limited to island size and edge effects.