Before revision: IUCN definition According to the IUCN, protected areas with sustainable use of natural resources are defined as areas that: Criticism The concept is criticised by ecologists on the grounds that the aspiration for these areas is hardly practicable in reality because nature conservation is almost never possible without restricting human activity and also because the economic activities of a population inevitably affect the ecosystems .
After revision: IUCN definition According to the IUCN, protected areas with sustainable use of natural resources are defined as areas that: Criticism The concept is criticised by ecologists on the grounds that the aspiration for these areas is hardly practicable in reality because nature conservation is almost never possible without restricting human activity and also because the economic activities of a population inevitably affect the ecosystems