Chl a
Modulated Chl a fluorescence: Modulated Chl a
... Polyphasic Chl a fluorescence transients: Polyphasic Chl a fluorescence transients were measured with a direct fluorometer (handy PEA, hansatech Instruments, Kings Lynn, UK) at 48 ...
9
Remote sensing of the chlorophyll-a based on OLILandsat-8 and MSISentinel-2A (Barra Bonita reservoir, Brazil)
... the Chl-a concentration in ...estimate Chl-a in terrestrial vegetation (Gitelson et ...for Chl-a algal in aquatic ...by Chl-a (a φ ...different Chl-a estimates for locations with equal ...
14
Characterizing phytoplankton biomass seasonal cycles in two NE Atlantic coastal bays
... The need for keeping a balance between the percentage of variance explained by the ordinates of the periodograms and the consistency is- sues related to the comparison of the seasonal cycles of the three- phytoplankton ...
16
Oxygen requirement and inhibition of C4 photosynthesis
... Newly expanded leaves of 35- to 40-d-old plants were used to measure simultaneously A and Chl a fluorescence. Gas-exchange rates were determined with a computer- controlled gas-exchange system (Bingham Interspace, ...
10
Towards a merged satellite and in situ fluorescence ocean chlorophyll product
... isting Chl a C climatologies (Conkright et ...on Chl a C estimations obtained from water sample data (HPLC or spectrofluorometer measure- ...blended Chl a C products combining data derived from ...
15
The Relationship between Phytoplankton Disity and Community Function in a Coastal Lagoon
... The results of this work suggest that decreases in diversity are associated with increases in biomass and production, whereas increases correspond to opposite trends. It is suggested that these trends, contrary to those ...
16
Braz. j. oceanogr. vol.60 número3
... Asymmetry has also been explained as due to the fact that “a fraction of the water that enters the lagoon during flood tide may already have entered it during previous tidal cycles, thereby further contributing to the ...
12
Nitrate: ammonium nutrition alleviates detrimental effects of salinity by enhancing photosystem II efficiency in sorghum plants
... Nevertheless, it can be assigned to a mechanism to up-regulate photosynthetic electron Contents of chlorophyll a (Chl a), b (Chl b) and total (Chl total), carotenoids and anthocyanins;[r] ...
5
Towards a merged satellite and in situ fluorescence ocean chlorophyll product
... integrated Chl-a content over the water column, (Eq. 2 as obtained by regression anal- yses performed by Uitz et al., 2006). However, the use of vertically integrated contents to calculate the calibration ...
41
The influence of dissolved inorganic macronutrient concentration and ratio on the elemental stoichiometry of sinking particulate matter and carbon export in the peruvian upwelling system
... 34 The direct ingestion of living prey by mixotrophic phytoplankton could also explain the continuous increase in Chl a during the second half of the experiment, under reduced nutrient conditions. According to the ...
63
Supply of crab larvae to an estuary in the eastern Atlantic upwelling system exhibits predictable and haphazard variation at different temporal scales
... SST, chl a and supply were tested for lags ≥–5 d and ≤0 d, because it is difficult to meaningfully interpret situa- tions where winds or tides precede hydrographical variables or supply by ≤–5 ...of chl a ...
12
Assessing coral reefs on a Pacific-wide scale using the microbialization score.
... The finding that microbialization scores did not significantly correlate with ocean net primary production, local chl a concen- trations, or the combined metabolic rate of the fish and m[r] ...
10
Seasonal variability of phytoplankton fluorescence in relation to the Straits of Messina (Sicily) tidal upwelling
... Effect of diurnal variability of spring-tide on the surface distribution of temperature ( ◦ C, upper panel) and chlorophyll − a fluorescence ( µ g–Chl a l − 1 , lower panel) during Janua[r] ...
10
Braz. j. oceanogr. vol.52 número34
... the Chl-a concentration data since AP-40 effluent presented the highest number of autotrophic cells, indicating that this filter was less effective in retain the autotrophic picoplankton than GF/F and ...
5
Organic biomarkers in deep-sea regions affected by bottom trawling: pigments, fatty acids, amino acids and carbohydrates in surface sediments from the La Fonera (Palamós) Canyon, NW Mediterranean Sea
... (i.e. Chl a; MUFA: 16 : 1, 18 : 1t, 18 : 1, 18 : 1c, 20 : 1, 22 : 1, 24 : 1; protein and neutral THAA: Asp, Ser, Glu, Gly, His, Arg, Thr, Ala, Tyr, Val, Lys, Ile, Leu, Phe) to the dissimilarities within each a ...
54
A Study on Concentrations of Dissolved Oxygen and Chlorophyll-a in the Coastal Waters of Babolsar
... The study indicates necessity of the reduce entrance of the industrial, agricultural and urban wastes, which contains nutrient supply for the plants into the Caspian environment. According to the discharge of local ...
8
Braz. j. oceanogr. vol.56 número3
... Taking into account that some authors (HERNÁNDEZ, 2002; SOMOZA, 2006) studied the influence of sea surface temperature (SST) anomalies on spawns and recruitments of the spiny lobster Panulirus argus observing good levels ...
13
Steady-state solutions for subsurface chlorophyll maximum in stratified water columns with a bell-shape vertical profile of chlorophyll
... which light and nutrient are two major limited factors (Eqs. 1 and 2) (Riley et al., 1949; Lewis et al., 1986; Gabric and Parslow, 1989; Huisman et al., 2006; Liccardo et al., 2013) were adopted in this study. Moreover, ...
28
The photosynthetic ecology of Zostera noltii
... The total chlorophyll content (Chl a + Chl b, Fig. 4 A) of Zostera noltíi leaves varied in a similar mamier in both sites along the year. There were no significant differences between si[r] ...
104
Caracterização do parque edificado do centro histórico de Leiria
... o CHL permite ser correlacionada com dados novos ou existentes, permitindo elaborar estatísticas e novos gráficos de comparação para os parâmetros estudados no edificado antigo do ...
211