1991
DOI: 10.1016/0043-1354(91)90015-i
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A simplified phosphorus trophic state model for warm-water tropical lakes

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Cited by 176 publications
(175 citation statements)
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“…Ratio mass determinations between total nitrogen and total phosphorus (TN:TP) and the nutrient limiting estimate to primary productivity in the Pereira de Miranda Reservoir were performed from TN:TP ratios established in the research conducted in temperate zones and adopted for subtropical and tropical regions (TOLEDO JUNIOR et al, 1983;SALAS;MARTINO, 1991;CUNHA et al, 2013).…”
Section: Tn:tp Ratio Limiting Nutrient and Trophic State Indexesmentioning
confidence: 99%
See 1 more Smart Citation
“…Ratio mass determinations between total nitrogen and total phosphorus (TN:TP) and the nutrient limiting estimate to primary productivity in the Pereira de Miranda Reservoir were performed from TN:TP ratios established in the research conducted in temperate zones and adopted for subtropical and tropical regions (TOLEDO JUNIOR et al, 1983;SALAS;MARTINO, 1991;CUNHA et al, 2013).…”
Section: Tn:tp Ratio Limiting Nutrient and Trophic State Indexesmentioning
confidence: 99%
“…Considering some intrinsic factors mentioned by CASTAGNINO (1982), CUNHA et al (2013), SALAS; MARTINO (1991) and TOLEDO JUNIOR et al (1983), including the local climate and limnological peculiarities, Brazilian researchers identified the need of changes in methodological approaches for assessing the trophic state. Toledo Junior et al (1983) were pioneers and proposed adjustments in the original Carlson's Index (1977) for use in tropical and subtropical reservoirs in the Brazilian southeastern region, also comprising an equation related to reactive soluble phosphorous.…”
Section: Introductionmentioning
confidence: 99%
“…Based on nutrient data (Branco et al 2000), Comprida Lagoon could be classified as having distinct trophic states, depending on the criteria used either for warm lakes (Salas & Martino 1991) or for temperate lakes (Nürnberg 1996). It is important to mention that the proportion of organic nitrogen (N) in Comprida Lagoon is higher when compared with dissolved inorganic levels, which indicates N deficiency for phytoplankton growth (Reynolds 1997).…”
Section: Discussionmentioning
confidence: 99%
“…Dos nutrientes carreados ou despejados nos corpos d água, o P é considerado como o mais limitante. Segundo Salas & Martino (1991), a maioria dos lagos tropicais da América Latina apresenta condições limitantes com relação aos teores de P. Comparado ao N, sua demanda em relação ao suprimento é muito maior. Com o suprimento suficiente de P, mesmo que as fontes de N disponíveis estejam em quantidades muito pequenas, certas cianobactérias podem fixar N 2 atmosférico dissolvido na água (TUNDISI, 2003).…”
Section: Introductionunclassified