Factores claves que afectan a la preferencia trófica y diversidad de coleópteros copro-necrófagos del bosque Atlántico de Argentina: una propuesta de conservación
DOI:
https://doi.org/10.14198/cdbio.2019.56.03Palabras clave:
Cobertura de dosel arbóreo, Nicho ecológico, Ambiente de bosque, Ganado, Condiciones climáticasResumen
La sustitución de ecosistemas naturales es una de las principales causas de pérdida de biodiversidad, ya que modifica las condiciones climáticas y recursos alimenticios para los organismos. En este trabajo se muestran los resultados de dos estudios ya publicados en el Bosque Atlántico de Argentina, uno asociado con el efecto de la perturbación de ecosistemas naturales sobre las preferencias tróficas de coleópteros copro-necrófagos y el otro asociado con el efecto de diferentes factores (presencia/ausencia de cobertura de dosel arbóreo, presencia/ausencia de ganado y vegetación nativa o exótica) sobre su riqueza y composición. En ambos estudios los coleópteros copro-necrófagos fueron muestreados en bosque nativo y cuatro usos de la tierra. Los resultados muestran que la perturbación ambiental afecta, en parte, a la preferencia trófica de coleópteros copro-necrófagos, ya que algunos tienden a tolerar las nuevas condiciones tróficas mientras que otros no, y que la pérdida de cobertura de dosel arbóreo es el factor principal que afecta su diversidad. La conclusión de este trabajo es que la perturbación antrópica afecta las preferencias tróficas y la diversidad de coleópteros copro-necrófagos, sobre todo en aquellos ambientes que pierden la cobertura de dosel arbóreo, por lo que su mantenimiento es la principal recomendación de manejo sugerida en este trabajo.Financiación
Los financiamientos utilizados para llevar a cabo los estudios presentados en este trabajo son los siguientes, CONICET (Proyecto UE IBS # 22920160100130CO otorgado a Mario Di Bitetti), UCAR-MAGyP (BIO 23, PIA 10105-14057 otorgados a Gustavo Zurita) y ANPCyT (PICT-PRH 2702 otorgado a Gustavo Zurita).Citas
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Derechos de autor 2019 Victoria C. Giménez Gómez, José R. Verdú, Gustavo A. Zurita
Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.
