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Significance of Z Value in Species- Area Relationship

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Question

What is the significance of the slope of regression in a species − area relationship?

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Solution

The slope of regression (z) has a great significance in order to find a species-area relationship. It has been found that in smaller areas (where the species-area relationship is analyzed), the value of slopes of regression is similar regardless of the taxonomic group or the region. However, when a similar analysis is done in larger areas, then the slope of regression is much steeper.

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What is the significance of the slope of regression in a species-area relationship?

Q. The species-area relationship is expressed by the equation: log S = log C + Z log A.
What does S, C, Z and A represent?

In the given equation relating to species area relationship, what does ‘z’ stands for?

log S = loc C + zlog A

Q. Assertion :If the species-area relationships are analysed among very large areas like the entire continents, the value of Z, i.e., slope of line lies in the range of 0.1 to 0.2. Reason: The value of Z, i.e. slope of line of species area relationships lies in the range of 1.6 to 1.2 when analysis is done among small areas.

Q. The graph shows species area relationship. Answer the following
When would the slope of line '

b

' become steeper?

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Significance of Z Value in Species- Area Relationship

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