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प्रश्न
Study the graph given below:
As per Alexander von Humboldt, what do the symbols S, A, Z and C in the graph stand for, in respect of a species and area relationship?
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उत्तर
On a logarithmic scale, the relationship is a straight line described by the equation,
log S = log C + Z log A
where,
S = Species richness
A = Area
Z = slope of the line (regression coefficient)
C = Y-intercept
संबंधित प्रश्न
Explain, giving three reasons, why tropics show greatest levels of species diversity.
The 'rivet' in the rivet popper hypothesis is considered to represent the ______.
All are true regarding graph showing species richness - area relationship, EXCEPT ______.
Select the correct alternative for x and y.
Amongst the animal group given below, which one has the highest percentage of endangered species?
Which of these is true about tropical environments?
Which of these is true about tropical environments?
"Species richness increased with increased explored area but only a limit". This statement was given by.
The species-area relationship is represented on a log scale as ______.
Match the scientist in column I with their contribution in column II and choose the correct option.
| Column I | Column II | ||
| i. | Alexander Van Humboldt | a. | Estimated 7 million species round the globe |
| ii. | Robert May | b. | Rivet popper hypothesis |
| iii. | David Tillman | c. | Species Area Relationship |
| iv. | Paul Ehrlich | d. | Productivity stability hypothesis |
