Nutrient Concentrations
Detritus quality controls macrophyte decomposition under different nutrient concentrations in a eutrophic shallow lake, North China.
... and nutrient cycling in lake ...water nutrient conditions in eutrophic shallow lakes in which incomplete decomposition of detritus accelerates the lake terrestrialization ...water nutrient ...
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Influence of Quercus ilex trees on herbaceous production and nutrient concentrations in southern Portugal
... lower nutrient concentrations than forbs. However, nutrient con- centrations of the whole herbaceous community were within the recommended ranges for cattle ...P concentrations by 24% and 83%, ...
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Riparian and in-stream controls on nutrient concentrations along a headwater forested stream
... stream nutrient concentrations (left panels) and fluxes (right panels) for (a) nitrate, (b) ammonium, and (c) phosphate concentrations at Font del ...
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NUTRIENT CONCENTRATIONS IN POTATO STEM, PETIOLE AND LEAFLET IN RESPONSE TO POTASSIUM FERTILIZER
... As nutrient concentration varies with the sampled organ on the plant (Walworth & Muniz, 1993) and sampling time (Lewis & Love, 1994), it is necessary to evaluate the nutrient concentration at ...
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Nutrient concentrations in coastal waters: impact of the Guadiana River
... evident nutrient gradients along with changes in salinity. Nutrient concentra- tions in these areas are much higher than in the adjacent open seas and decrease as salinity increases, tending to behave ...
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Do foliar, litter, and root nitrogen and phosphorus concentrations reflect nutrient limitation in a lowland tropical wet forest?
... There were no changes in either mass-based or area-based community-wide foliar [N] or [P] two years after initial fertilization. Contrary to our predictions and to results reported in other tropical forests ([16,20,46], ...
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AMF colonization of Greek olive cultivars
... Concerning the infl uence of genotype on AMF abundance, in two of the three soil types (Marl and Peridotite) greater root system colonization was re- corded in cultivar ‘Chondrolia Chalkidikis’ (Table 2). Ducic et al. ...
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DRIS: CONCEPTS AND APPLICATIONS ON NUTRITIONAL DIAGNOSIS IN FRUIT CROPS
... identify nutrient deficiencies in papaya grown in nutrient solution in the greenhouse and in the field, in Hawaii, USA (Bowen, ...complete nutrient solu- tion in the greenhouse did not show any ...
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Braz. j. oceanogr. vol.62 número1
... Low concentrations of dissolved inorganic nutrients and Chl-a found were typical of TW and results suggested that the inner shelf waters were depleted in dissolved inorganic nitrogen in August 2006 and March 2007, ...
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Influence of extended drought on water quality in tropical reservoirs in a semiarid region
... The wide volume fluctuations in a reservoir alter water physic-chemical conditions as the mixing regime, light availability and nutrient concentrations. Those are essential driving factors for the ...
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Longitudinal gradient in limnological variables in the Upper Paraná River: a brief description and the importance of undammed tributaries
... the nutrient concentrations and river water turbidity, reaching water conditions more similar to those observed in natural environments, it is important to notice that the conditions observed prior to ...
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Dinâmica populacional de Moina minuta Hansen (1899), Ceriodaphnia cornuta Sars (1886) e Diaphanosoma spinulosum Herbst (1967) (Crustacea: Branchiopoda) em diferentes faixas de concentração de nutrientes (N e P)
... of nutrient concentrations (N and P) on the population dynamics of three species of Cladocera – Moina minuta, Ceriodaphnia cornuta, and Diapahnosoma spinulosum – from the Taperoá II Dam, Paraíba, Brazil; ...
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Efeitos da eutrofização experimental sobre a comunidade zooplanctônica
... initial nutrient concentrations ...1). Nutrient concentrations were determined following the procedures described by Rodier (1975), Mackereth et ...
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Braz. J. Chem. Eng. vol.29 número1
... the nutrient concentrations (diesel oil, urea, ammonium sulfate and monobasic potassium phosphate) on the response variables: emulsification activity and surface tension of the cell-free ...
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USO CONSERVATIVO DE NUTRIENTES PELO MOGNO (Swietenia macrophylla King) CULTIVADO SOB CONDIÇÕES AMBIENTAIS CONTRASTANTES
... in nutrient availability and rainfall regimes. Nutrient concentrations of leaves and soils were determined spectrophotometrically, and isotope ratios were measured using mass spectrometric ...K ...
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Atmospheric nutrient inputs to the northern levantine basin from a long-term observation: sources and comparison with riverine inputs
... atmospheric nutrient fluxes in Eastern Mediterranean have been published (Guerzoni et ...of nutrient concentrations in aerosol and rainwater, (ii) assess the influ- ence of air mass back trajectories ...
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Spatial and temporal variation of the nutrients in the sediment and leaves of two Brazilian mangrove species and their role in the retention of environmental heavy metals
... of nutrient concentration in the sediment between the periods analyzed, but the seasonal pattern was not clear for all ...nutrients. Nutrient concentrations in mangrove sediments are a reflection of ...
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Grassland productivity in response to nutrient additions and herbivory is scale-dependent
... to nutrient addition can vary across space, yet studies that explicitly incorporate spatial pattern into experimental approaches are ...following nutrient additions to determine whether the scale of grass ...
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The necessity of management in a lake of the Atlantic Forest biodiversity hotspot: nitrogen levels connected to a persistent bloom of
... and nutrient concentrations, mainly dissolved N and total-P, were the ‘master variables’ driving the changes in water characteristics and they represented about 85% of the total variability in Marola ...
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Marine ecosystem community carbon and nutrient uptake stoichiometry under varying ocean acidification during the PeECE III experiment
... inorganic nutrient to calculated organic carbon uptake is shown in ...measured nutrient concentrations exhibiting no scenario dependence, there is little deviation in nutrient stoichiometry ...
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