Detailed explanation would be appreciated. What type of interspecific interactio

Question

Detailed explanation would be appreciated.

What type of interspecific interaction might explain the difference between the number of aspen suckers in the mixed and the fir stages in Figure A?

For interspecific interaction would you hypothesize could accountfor the difference between the number of fir seedlings in the aspen stage and in the meadow stage is mutualism<------

So, what What type of interspecific interaction might explain the difference between the number of aspen suckers in the mixed and the fir stages in Figure A?

Explanation / Answer

From the figure A we can see that from the mixed aspen-fir stage to the fir stage there’s no decrease in the number of fir seedlings whereas the number of aspen suckers decrease considerably. This decrease in aspen suckers number begins in fact since the transition from aspen stage to mixed aspen-fir stage. So we can hypothesize that something is inhibiting the growth of aspen suckers while this doesn’t affect the growth of fir seedlings.This substance perfectly could be produced by Fir seedlings.

This kind of interspecific interaction exists in many plants (including Fir) and is known as allelopathy. It consists in the production of one or more biochemicals (allelochemicals) that influence the germination, growth, survival, and reproduction of other organisms, aspen suckers in this case.

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