Control of Abundant Native Vertebrates for Conservation of Endangered Species

作者: J.M. Goodrich , S.W. Buskirk

DOI: 10.1046/J.1523-1739.1995.09061357.X

关键词: BiologyHumanitiesPopulation managementRare speciesEndangered species

摘要: Abundant native vertebrates, which we define as those that have increased in abundance due to human-induced changes communities or ecosystems, contributed the decline of rare vertebrates through predation, competition, habitat change, disease transmission, and hybridization. Recent literature dealing with negative effects abundant on argues for population control by killing translocating animals. We identify several potential problems these methods, including high cost control, community such mesopredator release favor other harmful vertebrate species, increases diseases species. Also, public opposition lack species specificity techniques often make difficult. propose alternatives reduction/or management prevent from causing harm, ecosystem rehabilitation restoration. The latter provide best solutions caused because degradation are primary factors responsible some becoming others abundant. These long term, biologically sound, involve little direct human intervention into processes. But may be necessary a short-term solution when pose an immediate threat survival conclude involved conservation should consider only last resort. Los vertebrados autoctonos abundantes (con frecuencia denominados “sobreabundantes”), que aqui definimos como aquellos cuyo censo ha aumentado debido cambios de origen humano en comunidades animales o ecosistemas, han contribuido la declinacion raros por medio depredacion, competencia, el habitat, transmision enfermedades, e hibridacion. Publicaciones recientes lo referente al impacto negativo los sobre fauna autoctona rara recomiendan poblaciones mediante matanza translocacion animales. En presente estudio identificamos diversos problemas potenciales relacionados con medida conservacion raros. Dichos incluyen alto precio poblacional, estructura tales incremento mesopredadores favorecen proliferacion otras especies daninas, y aumento enfermedades graves para las raras. Ademas, oposicion publica falta tecnicas especificas cada especie dificultan esfuerzos encaminados hacia poblaciones. Proponemos alternativas manejo encluyen prevenir efectos daninos promuevan rehabilitacion restauracion ecosistemas. Consideramos esta ultima solucion mas razonable causados pos ya degradacion ecosistemas son pricipales factores responsables ciertas disminuyan mientras aumenten demasia. Estas soluciones largo plazo, biologica mente viables, minimizan intervencion humana procesos naturales Sin embargo, si suponen un peligro inminente autoctonas raras, primeras puede ser una viable corto plazo. Concluimos involucrados raras deberian considerar solo recurso instancia.

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