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Cuadernos del Instituto Nacional de Antropología y Pensamiento Latinoamericano, 1996
Obnovljeni Život, 2002
2008
Invasions of alien plants and animals are discussed as negative externalities. Unintentional and intentional introductions of plants and animals into new regions have negative and/or positive effects/impacts on nature and economics of recipient country. Applications of externality theory for invasive alien species (IAS) are discussed and some differences were identified in the criteria of conventional externalities. These are invasion dynamics and uncertainity of invasions risk of introduction , establishement and spread of IAS, the potential severity of their impacts in the novel environment and efectivness of management instruments. Marked-based instruments (e.g. national taxes, import tariffs and tradable permits) are direrctly addressed to invasion externalities. Economic instruments should be combined with existing regulatory instruments (e.g. standards, inspections , quarantine, black and white lists, etc.) to tackle their causes of invasions. The uncertaini-ty of invasion-beh...
Acta Otorrinolaringológica Gallega, 1994
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