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“Foreign species are acting like any other species: a few have major impacts, but most don’t. Because a large majority of them have such limited impacts, the importation of lots of new species almost always increases the numbers of species in any given location, just as we saw in the forests and waters of Lake Maggiore. When lots of new arrivals establish breeding populations, hardly any ‘natives’ die out as a consequence.” — Chris D. Thomas
Foreign species are acting like any other species: a few have major impacts, but most don’t. Because a large majority of them have such limited impacts, the importation of lots of new species almost always increases the numbers of species in any given location, just as we saw in the forests and waters of Lake Maggiore. When lots of new arrivals establish breeding populations, hardly any ‘natives’ die out as a consequence.