This will allow species to increase gene flow and help with migration.
Some species can also increase the risk of disease among livestock, pets and humans.
Only a few species, such as snow buntings, have increased, the report said.
These are usually because species have increased in frequency and no longer meet the numerical criteria for inclusion.
How exhaust an ocean in which the species are indefinitely increasing?
"If you fish out an abundant predator, the species that it was eating or competing with will increase," says Worm.
These species can adapt and increase the areas biodiversity.
Some ant species can increase infestations of red scale indirectly.
Over the first 10 years these species slowly increase amongst grass colonisers.
Over the course of the millennia, this species has increased in rarity.