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A camera-trap assessment of the native and invasive mammals present in protected areas of Magallanes, Chilean Patagonia

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Title: A camera-trap assessment of the native and invasive mammals present in protected areas of Magallanes, Chilean Patagonia
Authors: Eduardo A. Silva-Rodríguez, Esteban I. Cortés, Ximena Álvarez, Diego Cabeza, Benjamín Cáceres, Aintzane Cariñanos, Ramiro D. Crego, Gonzalo Cisternas, Roberto Fernández, Claudia Godoy, Jorge González, Rodrigo Ivanovich-Hichins, Javiera Jara-Díaz, Marina Jiménez-Torres, Miguel Lopetegui, Marcelo Martínez, Olivia Matamala, Francisco Ojeda, Fredy Paredes, Rodrigo Rodríguez, Jorge Sandoval, Elke Schüttler, Carla Ulloa-Vera, Catalina Valencia, Marcelo Valencia-Cárdenas, Viviana Vásquez-Ibarra, Francisco Videla, Andrés Vilaboa, Andelka Zlatar, Paulo Corti
Source: Gayana, Vol 88, Iss 1 (2024)
Publisher Information: Universidad de Concepción, 2024.
Publication Year: 2024
Collection: LCC:Oceanography
LCC:Zoology
Subject Terms: domestic animals, exotic species, protected area management, threatened species, wildlife monitoring, Oceanography, GC1-1581, Zoology, QL1-991
More Details: The Chilean Patagonia is characterized by extensive protected areas that encompass most of the region. Mammals are often among the priorities for these protected areas either as conservation targets (e.g., threatened species) or as threats (e.g., invasive species). Camera traps offer a cost-effective alternative to monitor these species, however baseline studies are scarce in the region. Therefore, our objective was to provide an assessment of camera-trapping detection rates for mammals that are present in protected areas of Magallanes, Chilean Patagonia. Between 2015 and 2022 we installed 278 camera traps (9,936 trap-days), distributed in seven protected areas. For each protected area, we calculated the detection rates and proportion of camera traps that detected each species. We recorded 18 mammalian species, including ten native, four domestic, and four invasive species. The culpeo fox (Lycalopex culpaeus) was the most frequently detected species, followed by invasive European hare (Lepus europaeus) and puma (Puma concolor). Endangered species like the huemul (Hippocamelus bisulcus) and southern river otter (Lontra provocax) were detected infrequently, whereas beaver (Castor canadensis) and American mink (Neogale vison) were only recorded in cameras that targeted them. From our data we suggest that generalist monitoring designs are likely to be effective for relatively common species like the culpeo fox. However, when species of interest are associated with specific features of the landscape (e.g., otters and water), other designs are needed. Based on our findings, we provide recommendations for the design of camera- trapping monitoring plans in protected areas.
Document Type: article
File Description: electronic resource
Language: English
Spanish; Castilian
ISSN: 0717-652X
0717-6538
Relation: http://gayana.cl/index.php/gn/article/view/323; https://doaj.org/toc/0717-652X; https://doaj.org/toc/0717-6538
Access URL: https://doaj.org/article/6f9c93ad60c5460ea4e3cdc4d9cde2b9
Accession Number: edsdoj.6f9c93ad60c5460ea4e3cdc4d9cde2b9
Database: Directory of Open Access Journals
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  Data: Gayana, Vol 88, Iss 1 (2024)
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  Data: The Chilean Patagonia is characterized by extensive protected areas that encompass most of the region. Mammals are often among the priorities for these protected areas either as conservation targets (e.g., threatened species) or as threats (e.g., invasive species). Camera traps offer a cost-effective alternative to monitor these species, however baseline studies are scarce in the region. Therefore, our objective was to provide an assessment of camera-trapping detection rates for mammals that are present in protected areas of Magallanes, Chilean Patagonia. Between 2015 and 2022 we installed 278 camera traps (9,936 trap-days), distributed in seven protected areas. For each protected area, we calculated the detection rates and proportion of camera traps that detected each species. We recorded 18 mammalian species, including ten native, four domestic, and four invasive species. The culpeo fox (Lycalopex culpaeus) was the most frequently detected species, followed by invasive European hare (Lepus europaeus) and puma (Puma concolor). Endangered species like the huemul (Hippocamelus bisulcus) and southern river otter (Lontra provocax) were detected infrequently, whereas beaver (Castor canadensis) and American mink (Neogale vison) were only recorded in cameras that targeted them. From our data we suggest that generalist monitoring designs are likely to be effective for relatively common species like the culpeo fox. However, when species of interest are associated with specific features of the landscape (e.g., otters and water), other designs are needed. Based on our findings, we provide recommendations for the design of camera- trapping monitoring plans in protected areas.
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