2009
DOI: 10.1590/s1676-06032009000300037
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Modelo preditivo de sobrevivência do Mexilhão Dourado (Limnoperna fortunei) em relação a variações de salinidade na Laguna dos Patos, RS, Brasil

Abstract: Limnoperna fortunei (mexilhão dourado), um bivalve de água doce do sudeste da Ásia, invadiu o sul da América do Sul em torno de 1991. Dados de ocorrência da espécie e salinidade ao longo do ano foram usados para predizer o potencial de sobrevivência de L. fortunei na Laguna dos Patos, RS. Um modelo preditivo foi construído usando regressão logística. Obtivemos na literatura 26 registros de presença (vivo, morto) de L. fortunei e valores de salinidade medidos em cada um destes registros na Laguna dos Patos entr… Show more

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Cited by 13 publications
(5 citation statements)
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“…Salinity is a serious threat to freshwater ecosystems, as has been demonstrated in coastal environments, due to the changes it produces in community structure (Gonc¸alves et al, 2007). Stable natural populations of this bivalve do not tolerate salinities above 3 g.L x1 (Darrigran, 2002;Barbosa and Melo, 2009). Experimental studies revealed that L. fortunei could live only over three weeks with a salt concentration of 6.8 g.L x1 (Deaton et al, 1989).…”
Section: Salinity Barriermentioning
confidence: 99%
“…Salinity is a serious threat to freshwater ecosystems, as has been demonstrated in coastal environments, due to the changes it produces in community structure (Gonc¸alves et al, 2007). Stable natural populations of this bivalve do not tolerate salinities above 3 g.L x1 (Darrigran, 2002;Barbosa and Melo, 2009). Experimental studies revealed that L. fortunei could live only over three weeks with a salt concentration of 6.8 g.L x1 (Deaton et al, 1989).…”
Section: Salinity Barriermentioning
confidence: 99%
“…Dicha tolerancia cae a 2% en condiciones de exposición constante (Angonesi, et al, 2008). Este factor estaría limitando su distribución, es decir, permitiendo colonizar solo parcialmente distintos ambientes costeros como la Laguna Los Patos (Barbosa y Melo, 2009), el complejo estuarino São Vicente y el Canal de Bertioga (Senske, et al, 2019), o el propio Río de la Plata (Sylvester, et al, 2013). Sin embargo, parece interesante destacar la diferencia en la tolerancia a valores altos de salinidad observada al comparar los trabajos de Sylvester y otros (2013) y Angonesi y otros (2008).…”
Section: R í Ounclassified
“…At the same time, the PL supports a wide range of socio-economic activities including aquaculture, agriculture, artisanal fisheries, industrial and port, and navigation and leisure (Odebrecht et al 2008(Odebrecht et al , 2010. However, despite its significant ecological and socio-economic values, the PL has been exposed to multiple anthropogenic threats such as chemicals contamination (Medeiros et al 2005, Wallner-Kersanach et al 2016, Pereira et al 2018, the introduction of invasive species (Barbosa & Melo 2009, Neuhaus et al 2016), overfishing (Reis & D'Incao 2000, Haimovici & Cardoso 2016, Noleto-Filho et al 2017, eutrophication processes (Niencheski & Zepka Baumgarten 2007, Baumgarten & Niencheski 2010 and consequent opportunistic macroalgae and toxic cyanobacterial blooms (Yunes et al 1998, Lanari & Copertino 2017, and anthropogenic climate change (Asmus et al 2019). Natural impacts also occur driven by remote, large-scale climatic phenomenon El Niño Southern Oscillation (ENSO; .…”
Section: Introductionmentioning
confidence: 99%