After leaving the Fish&Wildlife; Service, you land a job as a botanist on island

Question

After leaving the Fish&Wildlife; Service, you land a job as a botanist on islands off the coast of California. You are studying an only grows there and nowhere else in the world. You find these plants are outcompeted by an introduced species from Europe. l plant species that You study the populations and find the following conditions: Species Carrying capacity ( Growth rate () 200 500 0.5 0.5 urvasive plant One reason native plants are declining is that the invasive plants absorb nitrogen from the soil about twice as ast ?-2 How low must you reduce this competition coefficient to enable the native species to persist? Assume that the native species has no competitive e ect of the invasive species (L-0 1.5 1.25 1.0 ? .25

Explanation / Answer

1.25 the reason native plants are declining from the soil at which the nitrogen is rich.

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