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प्रश्न
Lesser variation in biomass production over a period of time is called ______.
पर्याय
Productivity Stability Hypothesis
Species Area Relationship
Species Life Cycle
None of them
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उत्तर
Lesser variation in biomass production over a period of time is called Productivity Stability Hypothesis.
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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:
- 0.1 and 0.2
- 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 ______.
Extent of global diversity of invertebrates is shown in the pie diagram below. Choose the most appropriate alternative that the four portions (a-d) represent.
On a log scale the relationship of species richness and area becomes linear (straight line) and is given by the equation.
Maximum species richness is observed in the ______.
Amongst the animal group given below, which one has the highest percentage of endangered species?
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.
Who observed that within a region, species richness increased with increasing explored area, to a certain limit?
