2015
DOI: 10.1007/s10750-015-2363-5
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Unravelling the role of determinism and stochasticity in structuring the phytoplanktonic metacommunity of the Paraná River floodplain

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Cited by 55 publications
(55 citation statements)
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“…In accordance with the high values of TN and TP in water reported in both lakes, concentration of N-NO 3 − + N-NO 2 − and N-NH 4 + in water in Lake 1 were higher than those reported to isolated lakes of the Paraná River system (from undetectable to 100 μg.l −1 , Pedrozo et al 1992;Bonetto et al 1994;Villar et al 1998;Unrein 2002;Maine et al 2004;Devercelli et al 2015). In contrast, in Lake 2, mean values of N-NO 3 − + N-NO 2 − and N-NH 4 + in water were low in comparison with those values expected for eutrophic and hypereutrophic lakes (Quirós 2003).…”
Section: Discussionsupporting
confidence: 81%
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“…In accordance with the high values of TN and TP in water reported in both lakes, concentration of N-NO 3 − + N-NO 2 − and N-NH 4 + in water in Lake 1 were higher than those reported to isolated lakes of the Paraná River system (from undetectable to 100 μg.l −1 , Pedrozo et al 1992;Bonetto et al 1994;Villar et al 1998;Unrein 2002;Maine et al 2004;Devercelli et al 2015). In contrast, in Lake 2, mean values of N-NO 3 − + N-NO 2 − and N-NH 4 + in water were low in comparison with those values expected for eutrophic and hypereutrophic lakes (Quirós 2003).…”
Section: Discussionsupporting
confidence: 81%
“…Taking into account TP and TN levels, both lakes would be classified as eutrophic following the criteria for tropical and subtropical lakes (OECD 1982;Salas and Martino 1991;Huszar et al 1998). Indeed, when cattle were present, TP, TN and SRP concentration in Lake 1 were between two and three times higher than those reported in other studies of wetlands of the Paraná river system (Pedrozo et al 1992;Bonetto et al 1994;Villar and Bonetto 2000;Unrein 2002;Maine et al 2004;Devercelli et al 2015). Pedrozo et al (1992) found that values of TP ranged from 100 to 150 μg.l −1 , and values of SRP were lower than 50 μg.l −1 in a study of two lakes.…”
Section: Discussionmentioning
confidence: 97%
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“…In naturally connected ecosystems such as floodplain lakes and complex river systems, water flow is considered the main dispersal vector and both seasonality (duration) and directionality of river flow, as well as water course distances, have an important role in shaping metacommunity in the different ecosystems belonging to the ''network'' (Liu et al, 2013;Padial et al, 2014;Devercelli et al, 2016). However, in the present study, the network system was formed by human-operated reservoirs and both duration and directionality of water flow were strongly subjected to unpredictable constraints linked to the need of the drinking water supply of urban centers.…”
Section: Discussionmentioning
confidence: 99%
“…In many interconnected natural aquatic systems (e.g., floodplain lakes), stochastic factors have been considered more important than deterministic ones to explain the phytoplankton composition and structure (Devercelli et al, 2016). In these systems, dispersal is mediated by water movements (hydrochory), which tend to have a strong homogenizing effect on local communities.…”
Section: Introductionmentioning
confidence: 99%