Academic literature on the topic 'Filterable reactive phosphorus (FRP)'
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Journal articles on the topic "Filterable reactive phosphorus (FRP)"
Lund, M. A., P. S. Lavery, and R. F. Froend. "Removing filterable reactive phosphorus from highly coloured stormwater using constructed wetlands." Water Science and Technology 44, no. 11-12 (December 1, 2001): 85–92. http://dx.doi.org/10.2166/wst.2001.0813.
Full textGrace, Michael, Yuthapong Udnan, Ian McKelvie, Jaroon Jakmunee, and Kate Grudpan. "On-line Removal of Sulfide Interference in Phosphate Determination by Flow Injection Analysis." Environmental Chemistry 3, no. 1 (2006): 19. http://dx.doi.org/10.1071/en05086.
Full textMankasingh, Utra, and Paul J. Worsfold. "A PORTABLE FLOW INJECTION ANALYZER FOR THEIN SITUDETERMINATION OF FILTERABLE REACTIVE PHOSPHORUS (FRP) IN FRESHWATER." Instrumentation Science & Technology 38, no. 2 (February 26, 2010): 187–200. http://dx.doi.org/10.1080/10739141003594594.
Full textGuo, Danlu, Anna Lintern, J. Angus Webb, Dongryeol Ryu, Ulrike Bende-Michl, Shuci Liu, and Andrew William Western. "A data-based predictive model for spatiotemporal variability in stream water quality." Hydrology and Earth System Sciences 24, no. 2 (February 24, 2020): 827–47. http://dx.doi.org/10.5194/hess-24-827-2020.
Full textGreenaway, M., and A. Woolley. "Changes in plant biomass and nutrient removal over 3 years in a constructed wetland in Cairns, Australia." Water Science and Technology 44, no. 11-12 (December 1, 2001): 303–10. http://dx.doi.org/10.2166/wst.2001.0844.
Full textSmith, L. C., R. W. Mcdowell, and G. P. Cosgrove. "A comparison of nutrient losses to waters following pasture renewal by cultivation or direct-drilling." Journal of New Zealand Grasslands 78 (January 1, 2016): 93–98. http://dx.doi.org/10.33584/jnzg.2016.78.524.
Full textMaher, W., and L. Woo. "Procedures for the storage and digestion of natural waters for the determination of filterable reactive phosphorus, total filterable phosphorus and total phosphorus." Analytica Chimica Acta 375, no. 1-2 (November 1998): 5–47. http://dx.doi.org/10.1016/s0003-2670(98)00274-8.
Full textCorbin, Tracy A. "Short-term effects of a wildfire on the water quality and macroinvertebrate community of a saline stream." International Journal of Wildland Fire 21, no. 5 (2012): 537. http://dx.doi.org/10.1071/wf11014.
Full textSommer, Bea, Bea Sommer, Pierre Horwitz, and Pierre Horwitz. "Water quality and macroinvertebrate response to acidification following intensified summer droughts in a Western Australian wetland." Marine and Freshwater Research 52, no. 7 (2001): 1015. http://dx.doi.org/10.1071/mf00021.
Full textSummers, Robert, and David Weaver. "Phosphorus Retention of a Permeable Reactive Barrier Surpassed by an Unvegetated Artificial Pond." Environment and Natural Resources Research 11, no. 1 (December 11, 2021): 25. http://dx.doi.org/10.5539/enrr.v11n1p25.
Full textDissertations / Theses on the topic "Filterable reactive phosphorus (FRP)"
(9725532), Acquire Admin. "Phytoplankton ecology in the Fitzroy River at Rockhampton, Central Queensland, Australia." Thesis, 1999. https://figshare.com/articles/thesis/Phytoplankton_ecology_in_the_Fitzroy_River_at_Rockhampton_Central_Queensland_Australia/21397656.
Full textThe seasonal periodicity of hydrology, physical and chemical water quality parameters and phytoplanktonic assemblages was studied at two sites in a large tropical Australian riverine impoundment. This study, the first in the lower Fitzroy River at Rockhampton, occurred between August 1990 and November 1993. It covered extremes in riverine flow conditions including major flooding and drought.
The annual flow regime was characterized by major flows in the "wet" season (summer and autumn) and greatly reduced or no flow in the "dry" season of winter, spring and sometimes early summer. Consequently, the thermal regime at both of the study sites was divided into two phases. The first was a phase of water column heating in the late winter to early summer. Features of this heating phase were long term stratification with progressive epilimnetic deepening, high pH, regular occurrence of epilimnetic oxygen supersaturation and decreased or undetectable levels of oxidized nitrogen in the surface layer. Hypolimnetic anoxia was recorded late in this phase. The second, between substantial wet season inflows and late winter was characterized by nutrient rich inflows and water column cooling and mixing.
Distinct interannual differences occurred in the volume, source and timing of inflows and subsequent water chemistry. In 1991, conductivity, water clarity, filterable reactive phosphorus (FRP) and pH increased markedly following major flooding from northern tributaries, while oxidized nitrogen decreased. This was in marked contrast to the drier years of 1992 and 1993 where turbidity and oxidized nitrogen were higher during the initial post-flood period and conductivity and FRP were lower. Extremes of mostly abiogenic turbidity (range 1.6 to 159 NTU) were a feature of the light climate. Ratios of euphotic depth/mixing depth below 0.3 occurred in early 1992 and 1993.
Steep gradients in the physical and chemical environment were paralleled by variations in the phytoplankton. Algal biomass (as chlorophyll a) at Site 1, midstream opposite the water intake for the city of Rockhampton, ranged from 1.5 to 56.6 ug L-1. The vertical water column distribution of chlorophyll was variable with assemblages normally dominated by phytoflagellates and various species of cyanoprokaryotes. There was also higher relative abundance of chlorophyll a (reflecting increasing dominance of cyanoprokaryotes) in the latter half of the year and at the lower end of light availability. The specific vertical water column positioning with respect to light and temperature is shown for assemblages dominated by the genera Anabaena, Aphanizomenon and Cylindrospermopsis.
The most striking aspect of the phytoplankton was the long term dominance of cyanoprokaryotes and the species richness (particularly that of cyanoprokaryotes) when compared with the dearth of information to date on other tropical rivers. Seasonal successions were varied. Regularly occurring assemblages were cyanoprokaryotes (Oscillatoriales), euglenophytes or non-flagellated chlorophytes during flows followed by flagellated chlorophytes and then cyanoprokaryotes (Nostocales) during the dry season. Genera present indicated highly eutrophic conditions. Hierarchical agglomerative clustering of phytoplankton data and comparison with a principal components analysis of corresponding environmental data were used to demonstrate the linkage between steep environmental gradients and variation in the phytoplankton assemblage. The specific environmental conditions associated with the success of various species were also analysed and presented. Using the above information, a two-part model was proposed which predicts the most likely genera of phytoplankton with respect to multidimensional environmental gradients. This model covers a wide gamut of conditions varying from highly variable lotic to lentic environments.
As Cylindrospermopsis raciborskii was considered a most important species in relation to the quality of the water supply for Rockhampton, the physical, chemical and biotic conditions prior to and during a bloom of this species are described. A number of possible grazers of C. raciborskii were identified with a view to future biomanipulation. One of these, the large ciliate, Paramecium cf. caudatum was found to be an effective grazer of toxic straight C. raciborskii in the laboratory.
This study is unique in that it analyses the impact of episodic events (eg. major flooding) on the subsequent phytoplankton in the lower Fitzroy River. The model relating phytoplankton to multidimensional environmental gradients provides great information for use in management, particularly in relation to the prediction of toxic algal blooms.