1982
DOI: 10.1590/s0373-55241982000100005
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A influência das variações nictemeral e sazonal sobre as curvas de luz-fotossíntese

Abstract: SynopsisA series of experiments with natural phytoplankton populations was made to study the photosynthetic Pmax and a indices, under different phases of the diel cycles. By "in situ" and simulated experiments the exogenous and endogenous infiuences on the photosynthesis and total chZorophyZZ-a were studied. The resuZts obtained indicate the dieZ variation can introduce a great deaZ of error in the determination of the primary production. The use of constant vaZues for a and Pmax in the equation for the determ… Show more

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Cited by 3 publications
(2 citation statements)
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“…Moreover, they depend on water column stratification (Gallegos et al ,1983), turbulence (Lewis et al,1984), temperature (Eppley, 1972 ;Harrison et al, 1982 ;Smith et al, 1985), cell size (Malone, 1977(Malone, , 1980Harris, 1983 ;Takahashi & Biefang, 1983) and diel periodicity (MacCaull & Platt, 1977 ;Gargas et al, 1979 ;Harding Jr. et al, 1981 ;Malone & Neale, 1981 ;Teixeira, 1982) .…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, they depend on water column stratification (Gallegos et al ,1983), turbulence (Lewis et al,1984), temperature (Eppley, 1972 ;Harrison et al, 1982 ;Smith et al, 1985), cell size (Malone, 1977(Malone, , 1980Harris, 1983 ;Takahashi & Biefang, 1983) and diel periodicity (MacCaull & Platt, 1977 ;Gargas et al, 1979 ;Harding Jr. et al, 1981 ;Malone & Neale, 1981 ;Teixeira, 1982) .…”
Section: Introductionmentioning
confidence: 99%
“…Tavares and Moreno (1994) and Minucci et al (2005) mentioned that available information was rare for fish growing pond water quality and also that information was less when it was related to the external environment. Thus, information about physico-chemical variables in fish growing would be relevant and the nictemeral study was one of the most important aspects for environment characterization (Teixeira, 1982;Medeiros et al, 2006). This was aimed to study the hydrological dynamics of a pond for fish growing through nictemeral study of some physical and chemical variables during the four seasons.…”
Section: Introductionmentioning
confidence: 99%