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By what definition? Humans being involved didn't seem common in definitions I found.

• morsch 2y ago
  An invasive species is an introduced species that harms its new environment. https://en.m.wikipedia.org/wiki/Invasive_species https://en.m.wikipedia.org/wiki/Invasive_species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately or accidentally. https://en.m.wikipedia.org/wiki/Introduced_species https://en.m.wikipedia.org/wiki/Introduced_species
  • cco 2y ago
    > The term "invasive" is poorly defined and often very subjective. I too read the Wikipedia article and this sentence prompted me to survey a few other places. Federal law in the US for instance. Your quoted definition doesn't appear in the article covering _invasive_ species, only in "introduced species" which of course implies a human introduced them.
    • morsch 2y ago
      The first paragraph is Wikipedia's definition for invasive species as a kind of introduced species with additional attributes. It's the first sentence in the article. US federal law might be different, I wouldn't know.