On the Identity of Species of Oreobates (Anura: Craugastoridae) from Central South America, with the Description of a New Species from Bolivia

Pansonato, André; Motta, Ana Paula; Cacciali, Pier; Haddad, Célio F. B.; Strüssmann, Christine; Jansen, Martin

doi:10.1670/20-001

Cited by 4 publications

(3 citation statements)

References 37 publications

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“…Moreover, its phylogenetic relationship can also be considered an unexpected finding. The highland species of Oreobates have consistently been recovered as part of the same clade [13,21,[55][56][57], which represents one event of diversification [57]. However, our analyses did not recover Oreobates colanensis as part of this clade and the species represents an independent lineage of highland species of Oreobates.…”

Section: Discussionmentioning

confidence: 54%

Two new species of terrestrial-breeding frogs (Anura: Brachycephaloidea) from Cordillera de Colán, Peru

Venegas

García-Ayachi

Ormeño

et al. 2021

Neotropical Biodiversity

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We describe two new species of terrestrial-breeding frogs from the Cordillera de Colán, in northeastern Peru. We used Parsimony and Maximum Likelihood approaches to infer a molecular phylogeny on a dataset composed of 75 terminals, including three terminals representing the new species, and 4202 bp of concatenated mtDNA and nuDNA fragments. Our phylogenetic analyses support the placement of the two new species in Lynchius and Oreobates, respectively. The new species of Lynchius occurs in two localities from 1,977 to 2,006 m a.s.l., and is characterized by having a dorsum covered by conical tubercles and a brown dorsal coloration lacking a pattern of blotches on the hidden surfaces of flanks and hindlimbs. The new species of Oreobates is only known from one location at 2608 m a.s.l. and is characterized by the absence of axillary and inguinal glands, and the presence of white or cream blotches on the dark brown hidden surfaces of the body.

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Section: Discussionmentioning

confidence: 54%

Two new species of terrestrial-breeding frogs (Anura: Brachycephaloidea) from Cordillera de Colán, Peru

Venegas

García-Ayachi

Ormeño

et al. 2021

Neotropical Biodiversity

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show abstract

“…In addition, recent widespread human-caused wildfires have destroyed 12% of the Chiquitano Dry Forest, with drastic consequences for biodiversity (Devisscher et al, 2016; Romero-Muñoz et al, 2019a,b). Many of its small-sized vertebrate species have only been described recently (Caminer et al, 2017; Jansen et al, 2019; Pansonato et al, 2020), a large portion remains unknown (Jansen et al, 2011; Gehara et al, 2014) and few ecological studies have investigated its mammalian fauna (Anderson, 1997; Brooks et al, 2002). Long-term biodiversity monitoring programmes are scarce in this region, hindering the documentation and understanding of anthropogenic biodiversity loss, such as that resulting from land-use change.…”

Section: Introductionmentioning

confidence: 99%

Habitat destruction threatens jaguars in a mixed land-use region of eastern Bolivia

Meißner,

Blumer,

Weiß

et al. 2023

Oryx

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Large carnivores such as the jaguar Panthera onca are particularly susceptible to population decline and local extinction as a result of habitat loss. Here we report on the long-term monitoring of a local jaguar population in a mixed land-use area in the eastern lowlands of Bolivia from March 2017 to December 2019. We recorded 15 jaguar individuals and four reproduction events (five offspring from three females), suggesting that our study area harbours a resident breeding population. Seven iterations of spatially explicit capture–recapture models provided density estimates of 1.32–3.57 jaguars per 100 km2. Jaguar capture rates were highest in forested areas, with few to no jaguar captures in pastures used for livestock. Massive deforestation after the survey period reduced the proportion of dense forest cover by 33%, shrinking the availability of suitable jaguar habitat and placing the resident jaguar population at risk. We use the jaguar as an indicator species to highlight the threat of habitat destruction in the Chiquitano region and we emphasize the importance of intact forest patches for jaguar conservation.

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“…In addition, recent widespread, human-caused wildfires have destroyed 12% of the Chiquitano Dry Forest with dramatic consequences for biodiversity (Devisscher et al, 2016;. While many of its small-sized vertebrate species were only recently described (Caminer et al, 2017;Jansen et al, 2019;Pansonato et al, 2020), a large portion remains unknown (Jansen et al, 2011;Gehara et al, 2014), and only few ecological studies have investigated the mammalian fauna (Anderson, 1997;Brooks et al, 2002). Long-term biodiversity monitoring programs are particularly scarce in this region, restricting the documentation and understanding of anthropogenic biodiversity loss, such as the effects of land use change.…”

Section: Introductionmentioning

confidence: 99%

Habitat destruction threatens jaguars in a mixed land use region of eastern Bolivia

Meißner¹,

Blumer²,

Weiß³

et al. 2022

Preprint

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Large carnivores such as the jaguar (Panthera onca) are particularly susceptible to population decline and local extinction as a result of habitat loss. Here, we report on the long-term monitoring of a local jaguar population in a mixed land use area in the eastern lowlands of Bolivia from March 2017 to December 2019. We recorded 15 jaguar individuals and four reproduction events (five offspring from three females), suggesting that our study area harbors a resident breeding population. Seven iterations of spatially explicit capture-recapture models provided density estimates ranging from 1.32 to 3.57 jaguars per 100 km². Jaguar capture rates were highest in forested areas, with few to no jaguar captures occurring in pastures used for livestock. Massive deforestation after the survey period reduced the proportion of dense forest cover by 33%, shrinking the availability of suitable jaguar habitat and placing the resident jaguar population at risk. We use the jaguar as an indicator species to highlight the threat of habitat destruction in the Chiquitano region and to emphasize the importance of intact forest patches for jaguar conservation.

show abstract

On the Identity of Species of Oreobates (Anura: Craugastoridae) from Central South America, with the Description of a New Species from Bolivia

Cited by 4 publications

References 37 publications

Two new species of terrestrial-breeding frogs (Anura: Brachycephaloidea) from Cordillera de Colán, Peru

Two new species of terrestrial-breeding frogs (Anura: Brachycephaloidea) from Cordillera de Colán, Peru

Habitat destruction threatens jaguars in a mixed land-use region of eastern Bolivia

Habitat destruction threatens jaguars in a mixed land use region of eastern Bolivia

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