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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?
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
The following graph shows the species - area relationship. Answer the following questions as directed.
(a) Name the naturalist who studied the kind of relationship shown in the graph. Write the observations made by him.
(b) Write the situations as discovered by the ecologists when the value of 'Z'
(Slope of the line) lies between.
(i) 0.1 and 0.2
(ii) 0.6 and 1.2
What does 'Z' stand for?
(c) When would the slope of the line 'b' become steeper?
Give three hypotheses for explaining why tropics show greatest levels of species richness.
The 'rivet' in the rivet popper hypothesis is considered to represent the ______.
All are true regarding graph showing species richness - area relationship, EXCEPT ______.
Oxygen dissociation curve for Myoglobin has the following shape:
Amongst the animal group given below, which one has the highest percentage of endangered species?
Which of the below mentioned regions exhibit lees seasonal variations?
Is it possible that productivity and diversity of a natural community remain constant over a time period of, say one hundred years?
Is it true that there is more solar energy available in the tropics? Explain briefly.
The relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola. Give a brief explanation.
