Population trends and conservation of the Mangrove Rail

Vieira, Bianca Pinto

doi:10.1007/bf03544301

Cited by 4 publications

(10 citation statements)

References 15 publications

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“…land-use changes) increase the vulnerability of mangrove areas due to their increased exposition to the direct effects of SLR (Coastal Protection for Climate Change Adaptation in the Small Island States in the Caribbean) (CCCCC, 2017). On the other hand, erosion and coastal accretion (Breithaupt et al, 2012), have decreased biodiversity (Devaney et al, 2017), and have led to the alteration of ecosystem services, leading to disruptions in the livelihoods and causing inequalities among communities (Vieira, 2016).…”

Section: Mangrove Ecosystemsmentioning

confidence: 99%

Climate vulnerability, impacts and adaptation in Central and South America coastal areas

Nagy

Gutiérrez

Brugnoli

et al. 2019

Regional Studies in Marine Science

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Section: Mangrove Ecosystemsmentioning

confidence: 99%

Climate vulnerability, impacts and adaptation in Central and South America coastal areas

Nagy

Gutiérrez

Brugnoli

et al. 2019

Regional Studies in Marine Science

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“…In 2012, F. acutirostris conservation efforts encompassed a challenging program that aimed to eradicate U. arrecta (Bornschein 2013), which was impacting a local population of the mangrove rail Rallus longirostris Boddaert, 1783. The Rallus longirostris is generally restricted to mangroves (Vieira 2015) and distributed across small portions of the Paci c coastal region, Central America, and northern South America, and along a vast stretch of the Atlantic coast in South America (Maley et al 2016). A signi cant extent of the species' geographic distribution occurs along the Atlantic coast of Brazil-a country in which it was considered at risk of extinction (Vieira 2015).…”

Section: Introductionmentioning

confidence: 99%

“…The Rallus longirostris is generally restricted to mangroves (Vieira 2015) and distributed across small portions of the Paci c coastal region, Central America, and northern South America, and along a vast stretch of the Atlantic coast in South America (Maley et al 2016). A signi cant extent of the species' geographic distribution occurs along the Atlantic coast of Brazil-a country in which it was considered at risk of extinction (Vieira 2015). In this article, we report on the appearance and distributional expansion of R. longirostris on subtropical salt marshes invaded by U. arrecta and its disappearance after the eradication of this plant.…”

Section: Introductionmentioning

confidence: 99%

“…ex Steud. in Canada have had long-term negative impacts on birds, decreasing species richness and changing community compositions (Robichaud and Rooney 2017).O cially, Rallus longirostris is not under threat of extinction either globally (BirdLife International 2016) or in Brazil, but it has been deemed threatened as Vulnerable (VU) in that country(Vieira 2015). Regionally, R. longirostris is threatened as Vulnerable in the state of Paraná (Decree #1.797/2018 of the State of Paraná,November 22, 2018), where the present research was carried out.…”

mentioning

confidence: 99%

“…Regionally, R. longirostris is threatened as Vulnerable in the state of Paraná (Decree #1.797/2018 of the State of Paraná,November 22, 2018), where the present research was carried out. The fact that R. longirostris has bene ted from areas dominated by an exotic plant, allowing it to colonize an environment that did not previously occur(Vieira 2015), does not seem to justify interrupting or preventing the management of U. arrecta. It is a distinctly aggressive species(Kissman 1997;Thomaz et al 2009) that reduces the functional diversity of native species due to the presence of allelopathic compounds and its high energy e ciency; resistance to drought periods; and high rates of germination, growth, regrowth, and regeneration(Freitas and Pivello 2005;Bianchini Jr. et al 2010).…”

mentioning

confidence: 99%

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Appearance of a population of the mangrove rail Rallus longirostris Boddaert, 1783 (Rallidae) in salt marshes invaded by the exotic tanner grass Urochloa arrecta (Poaceae) and its disappearance after plant management

Bornschein

Melchiori

Teixeira

et al. 2022

Preprint

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Biological invasions cause species extinction, but also provide benefits. Wetlands, such as salt marshes, include little known but important ecosystems that are sometimes severely invaded by exotic plants. Salt marshes in eastern South America are increasingly impacted by the invasion of the African grass Urochloa arrecta. This study investigated the appearance of a population of the mangrove rail Rallus longirostris in areas dominated by U. arrecta and its disappearance with the eradication of this plant. We monitored four areas (38.63 ha) in Guaratuba Bay estuary in southern Brazil, from 2006–2022, two of which contained four patches of U. arrecta as the dominant species. In 2012, we started to eradicate U. arrecta with mechanical management, and in 2020, it was eradicated locally. In 2007, we recorded R. longirostris for the first time in a patch of U. arrecta, and in subsequent years, we saw the bird in two other patches of the exotic plant. Rallus longirostris was no longer recorded when U. arrecta was eradicated. We hypothesized that R. longirostris used patches of U. arrecta as vacant nesting niches due to a lack of competition with Pardirallus nigricans—the most common bird in the estuary—which does not frequent patches of U. arrecta. The invasion of U. arrecta can locally increase the populations of R. longirostris. Although this bird is at risk of extinction in parts of its geographic distribution, we encourage the management of U. arrecta because of its impact on salt marshes.

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