There are several factors that may make a new ecosystem community vulnerable for invasive species to successfully invade. Which quality below would decrease the potential for an invasive species to invade into the new ecosystem community (i.e it would not be able to invade)?
the new ecosystem community has high levels of disturbance
the new ecosystem community has strong interaction between native species
the new ecosystem community has high habitat fragmentation
the new ecosystem community is able to reproduce with invading species.
Ans - the new ecosystem community has strong interaction between native species is a correct ans.
At high levels of disturbance, due to frequent forest fires or human impacts like deforestation, all species are at risk of going extinct. According to IDH theory, at intermediate levels of disturbance, diversity is thus maximized because species that thrive at both early and late successional stages can coexist.
on the other hand habitat fragmentation is considered as an invasive threat to biodiversity, due to its implications of affecting large number of species than biological invasions
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