biological invasion
Alien species takeover
Biological invasion is the spread of a non-native species into an ecosystem where it establishes, reproduces, and causes ecological or economic harm.
Invasive species outcompete native organisms for resources, disrupt food webs, or introduce diseases: The biological invasion of zebra mussels clogged water intake pipes across the Great Lakes.
The term emphasizes the aggressive, often irreversible nature of such colonization.
- global tradeCross-border economic exchange
- displacementRemoval from usual location
- spread like wildfireRapid, uncontrolled transmission
- rapid spreadFast, widespread transmission
- transportation networksSystems moving people, goods
quarantine protocols · competition · predation · extinction · ecosystem collapse · biodiversity loss · habitat fragmentation · pet trade · ecological damage · habitat destruction · kudzu · urbanization · border control · early detection · feral cats · tourism · zebra mussel · public awareness campaigns
- invasive specieslionfish, emerald ash borer, noxious weeds, kudzu, spotted lanternfly
biological invasionnative species
Organisms originating in a region
indigenous population · native ecosystem · endemic species · home range · pristine ecosystem
biological invasionecological balance
Stable ecosystem state
ecological restoration · habitat restoration · biodiversity · rewilding · conservation
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