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11 Cards in this Set
- Front
- Back
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What is biodiversity? |
The variety of both plant and animal species from terrestrial to marine. |
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What is Alpha diversity? |
The diversity within a plant community, forest stand
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What is gamma diversity? |
The variation in alpha and beta diversity across larger landscape
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What is species density? |
The species richness if expressed per unit area. |
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What does high beta mean? |
A high species turnover between species. |
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What does Simpsons complement apply?
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Little affected by addition or loss of rare species
Likely that 2 randomly chosen individuals will be of different species |
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What is the rule of shannon weiner index? |
The greater the number of entities and the more equal they are in abundance, the higher the value of SW index
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Do diversity indices address biodiversity adequately? |
Not allways |
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Why do diversity indices not always address biodiversity adequately? |
Consider species richness and evenness but not structural aspects of plant communities. Structural aspects are significant. |
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What does high beta diversity mean? |
High beta diversity means high “species turnover” between sample.
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What does l/d mean in simpsons reciprocal index. |
A low value of diversity. |
