Limnoperna fortunei (Dunker, 1857) (Mollusca, Bivalvia, Mytilidae): first record in the São Francisco River basin, Brazil

Barbosa, Marcos Pinotti; Silva, Fabiano A.; Oliveira, Márcia Divina de; Neto, Miguel Arcanjo dos Santos; Carvalho, Marcela David de; Cardoso, Antônio Valadão

doi:10.15560/12.1.1846

Cited by 47 publications

(34 citation statements)

References 16 publications

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“…Distribution of Limnoperna fortunei in South America to the present (modified from Barbosa et al, and Souza Campos et al, ) and sampling area for our study. The six study sites in the lower Uruguay River are marked from upstream to downstream: Saladero Guaviyú (GVY), Paysandú (PAY), Nuevo Berlin (NB), Fray Bentos (FB), Las Cañas (LC) and Punta Gorda (PG).…”

Section: Methodsmentioning

confidence: 99%

“…Since then, rapid colonization and invasion have been reported, with both dispersal of larval stages and translocation aided by human activities probably occurring, and by the year 2001, this species was highly abundant in the lower Uruguay River and its tributaries, becoming the dominant macrobenthic species in many areas (Brugnoli, Clemente, Boccardi, Borthagaray, & Scarabino, ; Clemente & Brugnoli, ; Langone, ; Muniz, Clemente, & Brugnoli, ). The present‐day distribution range of this species in South America extends from Río de La Plata Estuary (Argentina) to the San Francisco River basin in Northeastern Brazil (Barbosa et al, ), but suitable environmental conditions are present in most of South and Central America as well as a large part of North America (Souza Campos et al, ; US Fish & Wildlife Service, ).…”

Section: Introductionmentioning

confidence: 99%

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Evaluating the role of predatory fish controlling the invasion of the Asian golden mussel Limnoperna fortunei in a subtropical river

González‐Bergonzoni

Silva

Mello

et al. 2020

Journal of Applied Ecology

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The invasive Asian golden mussel Limnoperna fortunei is continuously expanding through South America, altering aquatic ecosystem structure and functioning. While several native fish species predate on this mussel, these interactions, and their consequences for the food web, have not been studied in depth. We combine a survey of the fish assemblage trophic structure using gut contents and stable isotope analysis with an in situ exclusion experiment in order to: (a) determine the main fish species predating on L. fortunei; (b) estimate the contribution of L. fortunei to the biomass of fish assemblage; and (c) evaluate the role of fish on the density and maximum shell length of L. fortunei in the lower Uruguay River (the Río de La Plata Basin). We found that about one third of fish species in the assemblage (28 out of 81 species) consumed L. fortunei, which was an important food item (>10% of the dietary volume and >30% of frequency of occurrence) for 11 fish species. Stable isotope mixing models consistently suggested that >14% of the total biomass of the fish assemblage was derived directly from carbon derived from L. fortunei tissues. In addition, the exclusion experiment demonstrated that fish predation reduces the mussel density by c. 70% and the mussel maximum shell length by c. 40%. Synthesis and applications. Our research suggests a top‐down effect of fish on the invasive Asian golden mussel's abundance. This work highlights the need to preserve the native fish communities, particularly in South America, where many vulnerable migratory fish are of key relevance as Limnoperna fortunei consumers. In the light of these findings, actions such as implementing efficient fish passage technologies in the actual (and projected) dams of the Uruguay River basin and elsewhere become essential to avoid local extinctions of these natural invasion controls upstream of the dams.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Evaluating the role of predatory fish controlling the invasion of the Asian golden mussel Limnoperna fortunei in a subtropical river

González‐Bergonzoni

Silva

Mello

et al. 2020

Journal of Applied Ecology

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“…It was first observed in South America around 1991, possibly introduced to the Río de la Plata (Argentina) coastal region (Pastorino, Darrigran, Martin, & Lunaschi, ) by a ship's ballast water, and has gradually colonised aquatic environments in Argentina, Uruguay, and Brazil (Mansur, Santos, Pereira, Bergonci, & Callil, ). From the Paraná River (sub‐basin of the La Plata Basin) in Brazil, L. fortunei rapidly colonised rivers and reservoirs of the southern and south‐eastern regions, and it was recently observed in a reservoir in north‐eastern Brazil (Barbosa et al., ). Rapid colonisation in different freshwater environments results from a set of characteristics unique to invasive species.…”

Section: Introductionmentioning

confidence: 99%

Net cages enhance golden mussel (Limnoperna fortunei) larval density and condition factor

et al. 2019

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Cage fish farming is an important economic activity in Brazil where tilapia (Oreochromis niloticus) is the main cultivated species. To investigate the cage fish farm as a vector for golden mussel invasion, we hypothesised that: (1) Limnoperna fortunei, a freshwater bivalve mollusc, finds greater food availability in the cage fish farm; (2) the cage fish farm favours mollusc colonisation and its nutritional status; and (3) its performance in the reservoir would vary over the year. We obtained data from limnological variables as well as the number of larvae and adult individuals, to evaluate condition index (CI) monthly from February 2015 to January of 2016. We established sampling stations at three points with fish farming and three points without fish farming (controls) in the Canoas II Reservoir, Paranapanema River, Brazil. We used principal component analysis (PCA) to identify spatial and temporal distribution of samples according to limnological variables. We performed a linear mixed model analysis to test the hypothesis of no difference between areas (fish farm and control) and time (months) for larval density and CI of L. fortunei. The first PCA axis (28.48% of variance) revealed a temporal gradient, showing the separation between cold and hot months. The second PCA axis (19.61% of variance) separated the samples of control and fish farms; fish farms displayed higher concentrations of total phosphorus, nitrite, and chlorophyll a. Larval densities of L. fortunei were higher in fish cage areas with time being responsible for 35% of this variation. Mussel CI was also higher in fish farms and time was responsible for 36% of the variation. We conclude that fish production in cages contributes to the establishment of golden mussels in the reservoir. Our results serve as a warning that other molluscs or invasive species may be favoured by aquaculture activities in aquatic environments. The colonisation of the mussel in the reservoir varies during the year in response to seasonality.

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“…During the last ~60 years Limnoperna fortunei (the golden mussel), native to southern China, has been introduced in Hong Kong, Korea, Taiwan, Japan, and South America (Boltovskoy & Correa, ). In South America, where it was first recorded in the Río de la Plata Estuary around 1990, it spread rapidly upstream the Paraná and Uruguay rivers and is presently a dominant component of the benthic and epiphytic fauna in two major watersheds (Río de la Plata and São Francisco) and several smaller ones throughout five countries (Argentina, Bolivia, Brazil, Paraguay, and Uruguay; Barbosa et al, ; Oliveira et al, ). The introduction of the golden mussel has become an important biofouling nuisance for industrial plants that use freshwater from the colonized waterbodies (Boltovskoy et al, ) and is reshaping biological interactions.…”

Section: Introductionmentioning

confidence: 99%

Effects of the Invasive Freshwater Mussel Limnoperna fortunei on Sediment Properties and Accumulation Rates

2018

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Since its introduction into South America around 1990, the freshwater bivalve Limnoperna fortunei (the golden mussel) has spread rapidly and is now a dominant component of the benthic and periphytic fauna in many rivers, lakes, and reservoirs. Sizable impacts of this nonindigenous species on nutrient recycling, plankton abundance and composition, and trophic relationships with fishes have been reported, but its effects on the sediments have received little attention. In this work, we use eighteen 20‐L flow‐through experimental units with and without mussels where changes in the mass and characteristics of the sediments accumulated throughout a yearly cycle in monthly, biannual, and annual intervals are analyzed. Experimental units with mussels yielded almost 2 times more sediments than units without mussels and contained significantly higher loads of organic matter and total N. Total P was not affected by the presence of mussels. Sediments accumulated in the biannual and annual experimental units agreed well with the yields of the monthly units, but the vertical stratification of organic matter, N, and P was unpatterned. Seasonal changes in the volume of total sediments, biodeposits, and their organic matter and N contents were positively associated with ambient water temperature and with intermediate (~150–250 NTU, nephelometric turbidity units) turbidity. Our results suggest that ecosystem‐wide modifications in the living conditions of the benthic epifaunal and infaunal organisms in waterbodies invaded by the mussel are likely significant, although variable locally, regionally, and across taxa.

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Limnoperna fortunei (Dunker, 1857) (Mollusca, Bivalvia, Mytilidae): first record in the São Francisco River basin, Brazil

Cited by 47 publications

References 16 publications

Evaluating the role of predatory fish controlling the invasion of the Asian golden mussel Limnoperna fortunei in a subtropical river

Evaluating the role of predatory fish controlling the invasion of the Asian golden mussel Limnoperna fortunei in a subtropical river

Net cages enhance golden mussel (Limnoperna fortunei) larval density and condition factor

Effects of the Invasive Freshwater Mussel Limnoperna fortunei on Sediment Properties and Accumulation Rates

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