Artículo
Habitat loss and distribution of the Ornate Horned Frog (Ceratophrys ornata): Implications for its conservation in South American temperate grasslands
Deutsch, Camila
; Bilenca, David Norberto
; Zurano, Juan Pablo
; Marin da Fonte, Luis Fernando; Vargas, Natália Dallagnol; Kindel, Andreas; Pittella, Renan; Duarte Freire, Marcelo; Maneyro, Raúl; Faivovich, Julián
; Agostini, Maria Gabriela
Fecha de publicación:
11/2023
Editorial:
Elsevier
Revista:
Perspectives in Ecology and Conservation
ISSN:
2530-0644
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Ceratophrys ornata is an iconic and regionally threatened amphibian of the temperate grasslands from Argentina, Brazil, and Uruguay. Conservation assessments suggested that habitat loss is the main threat to the species, although no studies have yet explored the link between grassland replacement and C. ornata decline. Using a robust database with ∼1000 records from herpetological collections, citizen science, and long-term monitoring, we modeled the species' ecological niche to produce a map of suitable areas, where we searched for C. ornata using active and passive techniques. After exhaustive efforts, we failed to obtain recent records from Brazil and Uruguay. We also conducted Generalized Linear Models to explore the relationship between land use/cover, landscape configuration, and current species occurrence. Overall, results showed that C. ornata occurrence is negatively associated with variables related to native grasslands fragmentation and replacement (i.e., Distance to the Nearest Patch, Forest Plantations), suggesting that habitat loss may have driven local extinctions and population declines of the species. Finally, we outline the regional and national conservation needs of C. ornata and recommend focusing on in-situ conservation strategies for the Argentinean populations to ensure the species' viability.
Palabras clave:
Amphibians
,
Citizen science
,
Passive acoustic monitoring
,
Niche modeling
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Identificadores
Colecciones
Articulos(IBS)
Articulos de INSTITUTO DE BIOLOGIA SUBTROPICAL
Articulos de INSTITUTO DE BIOLOGIA SUBTROPICAL
Articulos(IEGEBA)
Articulos de INSTITUTO DE ECOLOGIA, GENETICA Y EVOLUCION DE BS. AS
Articulos de INSTITUTO DE ECOLOGIA, GENETICA Y EVOLUCION DE BS. AS
Articulos(MACNBR)
Articulos de MUSEO ARG.DE CS.NAT "BERNARDINO RIVADAVIA"
Articulos de MUSEO ARG.DE CS.NAT "BERNARDINO RIVADAVIA"
Citación
Deutsch, Camila; Bilenca, David Norberto; Zurano, Juan Pablo; Marin da Fonte, Luis Fernando ; Vargas, Natália Dallagnol; et al.; Habitat loss and distribution of the Ornate Horned Frog (Ceratophrys ornata): Implications for its conservation in South American temperate grasslands; Elsevier; Perspectives in Ecology and Conservation; 11-2023; 1-8
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