| http://www.w3.org/ns/prov#value | - It is thought that the Opuntia species of the Galapagos Islands are very long-lived, potentially reaching ages of 150 years or more (8).In common with other Opuntia cacti on the Galapagos Islands, Opuntia echios is threatened by introduced plants, with which it competes for space, light and nutrients, and also introduced animals such as goats, donkeys, pigs and cattle.
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