The conservation of non-marine molluscs in South America: where we are and how to move forward

Miyahira, Igor Christo; Clavijo, Cristhian; Callil, Cláudia Tasso; Cuezzo, María Gabriela; Darrigran, Gustavo; Gomes, Suzete Rodrigues; Lasso, Carlos A.; Mansur, Maria Cristina Dreher; Pena, Meire S.; Ramírez, Rina; Santos, Rogério; Santos, Sonia Barbosa dos; Scarabino, Fabrizio; Torres, Santiago; Vogler, Roberto E.; Cowie, Robert H.

doi:10.1007/s10531-022-02446-1

Cited by 6 publications

(4 citation statements)

References 142 publications

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“…Freshwater bivalves fulfil important ecosystem functions (Vaughn, 2018) and are one of the most threatened faunal groups (Régnier, Fontaine & Bouchet, 2009;Cowie et al, 2017;Lopes-Lima et al, 2018). This is reflected in the exponential growth in the studies of mussel conservation in recent years in Europe and North America, but not in South America so far, where the efforts remain incipient (Lopes-Lima et al, 2014;Lopes-Lima et al, 2018;Dobler et al, 2019;Miyahira et al, 2022). Habitat modification and the introduction of invasive species are two of the problems that threaten native species of molluscs and of freshwater species in general (e.g., Dudgeon et al, 2006;Cowie et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

“…The insufficient knowledge of many invertebrate groups, including molluscs, means that species become extinct unnoticed (Régnier, Fontaine & Bouchet, 2009;Cowie et al, 2017;Cowie, Bouchet & Fontaine, 2022). Freshwater bivalves in the Neotropics have been poorly studied, and almost no species have been evaluated from a conservation point of view (Lopes-Lima et al, 2018;Miyahira et al, 2022). In the state of Rio de Janeiro, despite efforts focused on conservation of terrestrial and freshwater environments, mussel conservation has not been addressed (Bergallo et al, 2000;Bergallo et al, 2009;Miyahira, Mansur & Santos, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Conservation efforts and a proper evaluation of extinction risks in the Neotropics, including in Brazil, have been hindered by a lack of data (Brandon et al, 2005; Collen et al, 2008; Bergallo et al, 2009; Oliveira et al, 2017; Miyahira et al, 2022). Even in areas that are more well known, the information is not evenly distributed among different taxonomic groups, and most invertebrates have not been evaluated (Clark & May, 2002; Di Marco et al, 2017; Oliveira et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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Protected areas and native freshwater bivalves are not in the same place in south‐east Brazil

Miyahira

Mansur

Lacerda

et al. 2022

Aquatic Conservation

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Bivalves are important components of freshwater ecosystems; however, they are also one of the most threatened animal groups, especially members of the order Unionida. The main threats to freshwater bivalves are habitat modification and invasive species. Protected areas are a common way to minimize impacts and preserve native species, but they are rarely designated with a focus on freshwater invertebrates. The main goal of this article was to describe the distribution of freshwater bivalves in the state of Rio de Janeiro, and the relationship between these species and bioclimatic areas, land use and protected areas. Five native and two invasive bivalve species have been reported in Rio de Janeiro. They occur mainly in bioclimatic areas related to the Paraíba do Sul River and Campista Lowlands. The few records of bivalves inside protected areas are in areas of sustainable use that offer a lower level of protection, and frequently in sympatry with invasive bivalves. Thus, the established protected areas in Rio de Janeiro are not adequately effective for freshwater bivalve conservation, and some species remain under threat even within them. Freshwater bivalves thus remain largely unprotected in the state. The development of new protected areas and management plans should consider other faunal groups that are usually ignored, such as freshwater bivalves, to achieve more inclusive and effective protection.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Protected areas and native freshwater bivalves are not in the same place in south‐east Brazil

Miyahira

Mansur

Lacerda

et al. 2022

Aquatic Conservation

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“…What's worse, they can breed large amounts of bacteria in the surrounding area after dying, polluting the water quality and potentially indirectly endangering human health (Zhang, Xu, et al, 2022). In addition, studies have shown that biological invasions such as L. fortunei can reduce local biodiversity, change the normal water environment through excessive filtration and greatly affect the stock of phytoplankton, resulting in reduced food resources, which poses a serious threat to the protection of local mussels and is not conducive to the protection of freshwater systems (Miyahira et al, 2022). The invasion of L. fortunei depends on its biological properties (de Amo et al, 2021) and environmental factors such as water temperature, pH, dissolved oxygen and ammonia nitrogen concentration determine the reproduction, settlement and dissemination of the mussels (Castro et al, 2024).…”

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confidence: 99%

Distribution, tolerance, growth, behaviour and control methods of Limnoperna fortunei (Dunker, 1857) (Bivalvia: Mytilidae): A review

Liu,

He,

Yang

et al. 2024

Aquatic Conservation

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Limnoperna fortunei (L. fortunei) (Dunker, 1857), the golden mussel, is an invasive species possessing exceptional environmental adaptability and a destructive impact on water systems and artificial structures. To better conservation of freshwater ecosystems by controlling this mussel, it is essential to study its distribution, potential for invasion, environmental tolerance and biological traits. This paper outlines the distribution of L. fortunei in Asia and South America, as well as its potential for future invasion in freshwater habitats, along with the research methods employed. We find that the mussel had a temperature tolerance range of 8–35 °C and a pH range was 5–10, with some individuals surviving in extreme conditions for extended periods. We find that temperature was a decisive factor for success at reproductive stages, larval development and adult growth. The biological traits of L. fortunei are discussed, focusing on feeding habits, attachment characteristics and locomotion, with an emphasis on byssus structure, foot proteins and adhesion mechanisms. The study elucidates the impact of flow velocity, light exposure and substrate material on their attachment, with the optimal attachment being identified at a flow velocity of 0.3–0.9 m/s. Additionally, the mussel exhibits strong light avoidance performances and a preference for rough surfaces. Extensively‐researched control strategies are classified and summarized, primarily categorized into physical, chemical and biological control, with an outline of their respective strengths and limitations.

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Freshwater mussel conservation in southern South America: update on distribution range and current threats

Torres,

de Lucía,

Gregoric

et al. 2024

Aquat Sci

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The conservation of non-marine molluscs in South America: where we are and how to move forward

Cited by 6 publications

References 142 publications

Protected areas and native freshwater bivalves are not in the same place in south‐east Brazil

Protected areas and native freshwater bivalves are not in the same place in south‐east Brazil

Distribution, tolerance, growth, behaviour and control methods of Limnoperna fortunei (Dunker, 1857) (Bivalvia: Mytilidae): A review

Freshwater mussel conservation in southern South America: update on distribution range and current threats

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