1998
DOI: 10.4257/oeco.1998.0501.12
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Composição da comunidade de invertebrados de um ambiente lótico tropical e sua variação espacial e temporal

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Cited by 61 publications
(65 citation statements)
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“…The EPT index gave scores of BAD to AVERAGE, with the exception of a sample from October 2005 scored as GOOD. That date corresponds to a rainier period, which may be explained by an increase in the relative proportion of the three EPT families in our overall samples (Bispo et al 2001), which tend to decrease with greater current flow in rainy periods (Kikuchi & Uieda 1998). Similar scores were found for the BMWP'-ASPT index.…”
Section: Discussionsupporting
confidence: 66%
“…The EPT index gave scores of BAD to AVERAGE, with the exception of a sample from October 2005 scored as GOOD. That date corresponds to a rainier period, which may be explained by an increase in the relative proportion of the three EPT families in our overall samples (Bispo et al 2001), which tend to decrease with greater current flow in rainy periods (Kikuchi & Uieda 1998). Similar scores were found for the BMWP'-ASPT index.…”
Section: Discussionsupporting
confidence: 66%
“…Como a maior parte dos organismos coletados estavam no estágio imaturo é de se esperar que eles sejam mais abundantes no período posterior à reprodução dos adultos, ou seja, no outono (Tainhas) e verão (Taquara). Resultados semelhantes, onde os macroinvertebrados foram mais freqüentes nos meses subseqüentes ao período reprodutivo, também foram observados por JACOBSEN et al (1997), JACOBSEN & ENCALADA (1998), KIKUCHI & UIEDA (1998) e BAPTISTA et al (2001a.…”
Section: Eixo2 (15%)unclassified
“…Alguns estudos têm investigado a estrutura da comunidade dos invertebrados bentônicos e as variáveis físicas e químicas dos rios brasileiros, destacando-se os trabalhos realizados no Estado de São Paulo por UIEDA & GAJARDO (1996), BRAN-CO & NECCHI JR. (1997), KIKUCHI & UIEDA (1998), no Rio de Janeiro por BAPTISTA et al (1998) e BAPTISTA et al (2001a e em Minas Gerais por MARQUES et al (1999), CALLISTO et al (2001) e GALDEAN et al (2001. Para as bacias hidrográficas do Rio Grande do Sul, no entanto, não há dados disponíveis até o momento.…”
unclassified
“…Siluriformes have sensory adaptations to low light levels and are found predominantly in turbid waters (LOWE-MCCONNELL 1999), while species such as O. bicirrhosum, C. flavenscens and G. proximus are more related to water current velocity. KIKUCHI & UIEDA (1998) observed that the highest rates of water current velocity are found in the flood season, and the lowest during the drought. Thus, we infer that the association of these species with water current velocity is a consequence of their sedentary habits, as the various collection points analyzed are transformed into large backwater areas during the drought season.…”
Section: Discussionmentioning
confidence: 90%