2019
DOI: 10.14295/ras.v33i4.29528
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Influência da interação rio-aquífero sobre a distribuição vertical da meiofauna hiporreica

Abstract: Entre os processos de autopurificação natural que ocorrem na zona hiporreica, estão os de aspecto biológico, onde os organismos da meiofauna desempenham importantes funções, favorecendo a melhoria da qualidade da água de recarga do aquífero subjacente ao rio. São diversos os fatores que influenciam a distribuição vertical da comunidade meiofaunística como o hidrodinamismo na massa hídrica superficial e a disponibilidade de matéria orgânica e oxigênio nas camadas mais profundas. Por isso, este artigo objetivou … Show more

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Cited by 5 publications
(8 citation statements)
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“…The Pair-wise a posteriori test helped to better understand these differences and, gathering the information generated from the representation in MDS and relating them to Table 3, the abundance was more concentrated in the superficial layers (0-5 cm) with few organisms in the 5-10 cm layers during summer. This result is convergent with the vertical distribution found in other studies on meiofauna (DALTO; ALBUQUERQUE, 2000;HUANG et al, 2014;FREITAS et al, 2019).…”
Section: Hyporheic Meiofaunasupporting
confidence: 92%
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“…The Pair-wise a posteriori test helped to better understand these differences and, gathering the information generated from the representation in MDS and relating them to Table 3, the abundance was more concentrated in the superficial layers (0-5 cm) with few organisms in the 5-10 cm layers during summer. This result is convergent with the vertical distribution found in other studies on meiofauna (DALTO; ALBUQUERQUE, 2000;HUANG et al, 2014;FREITAS et al, 2019).…”
Section: Hyporheic Meiofaunasupporting
confidence: 92%
“…The rainiest period may have caused the meiofaunistic redistribution of the most superficial layers due to sedimentation. The increase in hydrodynamics in the rainy season can be a determining factor in the concentration of organisms in the most superficial sedimentary layer, which may lead to a decrease in them, as was the case in the present study and other studies previously carried out in hyporheic environments (VERAS et al, 2018;FREITAS et al, 2019).…”
Section: Hyporheic Meiofaunasupporting
confidence: 76%
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“…A. Freitas, Cabral, Paiva, Veras, & Monteiro, 2019;Omesova & Helesic, 2010;Traunspurger, Bergtold, Ettemeyer, & Goedkoop, 2006). Ward and Palmer (1994) explain that the riveraquifer interaction is an important factor that influences the vertical distribution of meiofauna.…”
Section: Discussionmentioning
confidence: 99%