2008
DOI: 10.1590/s0100-83582008000300002
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Abstract: RESUMO -Com o objetivo de conhecer a produção de biomassa de Egeria densa, foi monitorado o crescimento de 50 ápices de diferentes plantas, em três reservatórios situados na cidade de Paulo Afonso-BA. Os ápices inicialmente medidos receberam uma marcação e foram coletados após 15 dias. O material foi conduzido ao laboratório para medição da biomassa, após secagem a 70 o C. De todos os meses analisados, observou-se nas estações de Taquari e Moxotó maior crescimento em maio/99, com médias de 9,14 ± 3,6 e 4,2 ± 2… Show more

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Cited by 5 publications
(2 citation statements)
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“…The most prominent reservoirs to be infested by Hydrilla are those positioned downstream from cascades of reservoirs, given the higher underwater radiation and stable water flow regimes. In general, these reservoirs are already invaded by native submerged plants (e.g., E. najas and E. densa) (Oliveira et al, 2005;Nascimento et al, 2008), and these species may be supplanted by Hydrilla. For example, the five reservoirs in the São Francisco River (Itaparica, Moxotó, PA1213, PA4, and Xingó) show optimum limnological conditions for the development of Hydrilla (Secchi depth: [2.5 m; alkalinity: *0.6 mEq l -1 ; phosphate: *0.01 mg l -1 ; dissolved inorganic nitrogen: *0.07 mg l -1 ) (W. Severi, personal communication).…”
Section: Predicting the Invasion Susceptibility Of Brazil's Inland Wamentioning
confidence: 99%
“…The most prominent reservoirs to be infested by Hydrilla are those positioned downstream from cascades of reservoirs, given the higher underwater radiation and stable water flow regimes. In general, these reservoirs are already invaded by native submerged plants (e.g., E. najas and E. densa) (Oliveira et al, 2005;Nascimento et al, 2008), and these species may be supplanted by Hydrilla. For example, the five reservoirs in the São Francisco River (Itaparica, Moxotó, PA1213, PA4, and Xingó) show optimum limnological conditions for the development of Hydrilla (Secchi depth: [2.5 m; alkalinity: *0.6 mEq l -1 ; phosphate: *0.01 mg l -1 ; dissolved inorganic nitrogen: *0.07 mg l -1 ) (W. Severi, personal communication).…”
Section: Predicting the Invasion Susceptibility Of Brazil's Inland Wamentioning
confidence: 99%
“…In tropical and subtropical regions, it is limited to high altitudes or sources of cold water (Thiébaut et al 2016). Despite its characteristics linked to cooler climates, E. densa has been recorded in the semiarid region of northeast Brazil (Oliveira et al 2005;Santos et al 2006;Bezerra et al 2007;Nascimento et al 2008;Pereira et al 2008;Moro et al 2014;Azevêdo et al 2015;Sabino et al 2015).…”
Section: Introductionmentioning
confidence: 99%