One of the silliest arguments that I found in favor of invasive species is that they "increase biodiversity"
1000 new invasive species do not compensate for the extinction of one native species!!
#bioinvasions
1000 new invasive species do not compensate for the extinction of one native species!!
#bioinvasions
Comments
I assume that is an invasive plant overgrowing native flora?
I have been to alluvial forests in Italy where 90% of the vegetation were invasive trees and shrubs. But at least visually it blended in a bit more, i.e. from far away it looked similar to the natural ecosystem.
Invasive species LOWER alpha and beta diversity, even if they increase alpha richness.
Saying invasive species increase diversity is incorrect; a conflating of Alpha with Beta diversity, and species richness with diversity.
But W only occurred on that island and is now gone from the world.
One or more of the invaders spread to other islands, increasing their richness but displacing their endemic species...
Our perception of invasive species is based on tiny window that things don't shift and migrate and change constantly. Which isn't really true.
On the whims of wind and insects and birds. Nothing stays the same without forcing it.
What is “naturally” is the key thing…
Internal ecosystems shifting rapidly from human activity during last 150 years. Also from wild life die off, cities displacing wild life, natural predator decline (of plants as well), pesticides.
It's not a small picture.
Human activity certainly exacerbates the speed of it, it is however not humans fault. Wild life / insects also contribute to these processes.
For millions of years they tried to cross the tropics
For physiological reasons they couldn’t
Until someone move them 200 years ago. And they are now a major problem.
Um no…😡