Documenting birds over two centuries of deforestation in an Atlantic Forest region of Brazil

Januário, Nathália; Tonetti, Vinicius; Schunck, Fabio; Cavarzere, Vagner

doi:10.1080/01650521.2023.2276859

Studies on Neotropical Fauna and Environment

2023

DOI: 10.1080/01650521.2023.2276859

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Documenting birds over two centuries of deforestation in an Atlantic Forest region of Brazil

Nathália Januário,

Vinicius Tonetti,

Fabio Schunck

et al.

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2024

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Cited by 2 publications

References 41 publications

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Overlooked Bird Extinctions in Semideciduous Atlantic Forests

Cavarzere,

Silveira

2024

Ecology and Evolution

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The semideciduous forest is a prominent yet highly degraded phytophysiognomy within the Atlantic Forest. Historically, bird species inhabiting these forests occurred throughout central and western São Paulo state, south‐eastern Brazil, until the mid‐20th century. Many of these species have not been observed again or are nearing extinction within the state's inland forest fragments. This study reviews and compares historical and recent ornithological records, using museum specimens, literature, citizen science and recent field surveys to understand these species' current lack of records. In the early 20th century, extensive deforestation occurred statewide, resulting in the current forest fragments, which are currently in various stages of regeneration, conservation and isolation. Many of these fragments lack the specific habitats some species require, or they have not been recolonised due to insufficient connectivity with other forest fragments where these species still exist (particularly in the eastern Atlantic Forest). The non‐detection of forest species in semideciduous forest fragments strongly suggests an unprecedented and largely unnoticed extinction scale. This pattern of defaunation, as predicted 30 years ago, may be prevalent across numerous Semideciduous Atlantic Forests in Brazil.

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Overlooked Bird Extinctions in Semideciduous Atlantic Forests

Cavarzere,

Silveira

2024

Ecology and Evolution

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The resilience of bird species in a Brazilian atlantic forest remnant in the face of accelerated extinctions in the neotropics

Cavarzere,

Schunck,

Mix

et al. 2024

Parks

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The Caetetus Ecological Station is located in south-eastern Brazil. It is a unique protected area given it was set aside for preservation in the early 1930s, when all surrounding forests were clear-cut. Because the birds of this area have been inventoried on a number of occasions since the late 1970s, Caetetus represents a singular case study to evaluate how the bird communities have changed over time in a relatively small (2178 ha) but intact site. We searched the literature, ornithological platforms data and included our unpublished surveys to compile ornithological records. From the 184 species initially reported, all but two appear to be still present. Unlike other well-studied forest fragments in the Neotropics, where between 10-27 per cent of all forest bird species are suggested to have become locally extinct, Caetetus stands out as a notable exception. We suggest that, based on all available evidence for other similar forests, Caetetus' long-standing undisturbed status could be the main driver for this persistence of species. However, it is uncertain how bird species will be affected by fragmentation and species relaxation in the long term, and how they will respond to climate change. The ability to access citizen science records on public databases makes current and future tracking of species persistence much easier and more comprehensive.

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Documenting birds over two centuries of deforestation in an Atlantic Forest region of Brazil

Cited by 2 publications

References 41 publications

Overlooked Bird Extinctions in Semideciduous Atlantic Forests

Overlooked Bird Extinctions in Semideciduous Atlantic Forests

The resilience of bird species in a Brazilian atlantic forest remnant in the face of accelerated extinctions in the neotropics

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