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Question
For which of the following cases, population density can be easily determined by utulising non-biological parameter?
For which of the following cases, population density can be easily determined by utulising non-biological parameter?
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Solution
The correct option is C Tiger census
Sometimes, for certain ecological investigations, there is no need
to the absolute population densities. Relative densities serve the
purpose equally well. In this case, population size is indirectly
estimated without actually counting them. For example, the number of
fishes caught per trap is good enough measure of its total population
density in the lake. The tiger census in our National park and tiger
reserves is often based on pug marks (animal's ft print ) and fecal
pellets. So, the correct answer is 'Tiger census'.
Sometimes, for certain ecological investigations, there is no need
to the absolute population densities. Relative densities serve the
purpose equally well. In this case, population size is indirectly
estimated without actually counting them. For example, the number of
fishes caught per trap is good enough measure of its total population
density in the lake. The tiger census in our National park and tiger
reserves is often based on pug marks (animal's ft print ) and fecal
pellets. So, the correct answer is 'Tiger census'.
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