2009
DOI: 10.1590/s0100-84042009000100004
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Diatomáceas sobre Limnoperna fortunei (Dunker), molusco introduzido no Lago Guaíba, Sul do Brasil

Abstract: -(Diatoms on Limnoperna fortunei (Dunker), an introduced mollusk in Guaíba Lake, southern Brazil). The taxonomic composition of diatoms present on the mollusk Limnoperna fortunei (golden mussel), introduced into Guaíba Lake through ballast water, from ships coming from Argentina, was analyzed with the intention of identifying and evaluating the occurrence of the species in relation to habitat and origin. Mollusks were obtained from a floating wooden platform and on floats situated in the northern region of Gua… Show more

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Cited by 8 publications
(3 citation statements)
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“…In the lung fragment, we found 32 genera, 6 species and 11 morphotypes, which due to its position in the chamber could not be identified. The taxa, in general, are known to be present in the Guaiba Lake Basin where the diatom community has been extensively studied [22][23][24] as well as in some rivers that flow into this lake [24][25][26][27]. This knowledge allowed us to identify some abundant species (Plate 1, Figures 1-4) and some pennate diatoms belonging to several genera (Plate 2, Figures 5-16).…”
Section: Resultsmentioning
confidence: 99%
“…In the lung fragment, we found 32 genera, 6 species and 11 morphotypes, which due to its position in the chamber could not be identified. The taxa, in general, are known to be present in the Guaiba Lake Basin where the diatom community has been extensively studied [22][23][24] as well as in some rivers that flow into this lake [24][25][26][27]. This knowledge allowed us to identify some abundant species (Plate 1, Figures 1-4) and some pennate diatoms belonging to several genera (Plate 2, Figures 5-16).…”
Section: Resultsmentioning
confidence: 99%
“…No entanto, a população do estudo foi mantida como N. symmetrica devido à menor densidade de estrias em Navicula schroeteri (12-15 estrias em 10 µm em Lange-Bertalot 2001 e 11-12 estrias em 10 µm em Metzeltin & Lange-Bertalot 2007). Os espécimes encontrados no estado de Goiás conferiram com os registrados por trabalhos brasileiros do sul do país, um realizado em um ambiente lêntico (Torgan et al 2009) e outro em um ambiente lótico (Heinrich et al 2014).…”
Section: Navicula Symmetricaunclassified
“…Os registros em águas do Pantanal mostram que a espécie está se aproximando da bacia Amazônica, ameaçando desta forma a maior biodiversidade do mundo (ULIANO-SILVA et al, 2013). A falta de competidores e predadores beneficia a rápida disseminação e colonização deste molusco tanto em substratos naturais (juncos, rochas), quanto artificiais, tais como boias, tubulações e cascos de navios (TORGAN et al, 2009). Além disso, o mexilhão dourado pode utilizar como substrato conchas de bivalves nativos, os quais podem ser sufocados pela presença do invasor aderido em um elevado número de indivíduos (DARRIGRAN; EZCURRA DE DRAGO, 2000).…”
Section: áGua De Lastrounclassified