If there are 200 parthenium plants but only a single huge banyan tree with a large canopy ,stating the population density of banyan tree is relative low to that pf Parthenium amounts to underestimating the enormous role of banyan in that community. Plz expand& explain these plzz

Dear Student

When we need to determine the population density, we do not generally measure the number of individuals. If we determine the total number of individuals it is the most appropriate measure of the population density, but in some cases it is difficult to determine. 
In other words, number is not always a necessary parameter to measure population density.

In the above case per cent cover or biomass is more meaningful measure of the population size.

Regards

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