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Journal articles on the topic 'Bioavailable phosphoru'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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1

Kulhánek, Martin, Jindřich Černý, Jiří Balík, Ondřej Sedlář, and Filip Vašák. "Changes of soil bioavailable phosphorus content in the long-term field fertilizing experiment." Soil and Water Research 14, No. 4 (2019): 240–45. http://dx.doi.org/10.17221/175/2018-swr.

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The aim of this study is to describe the changes of bioavailable phosphorus content in soil in long-term 18 years field experiments with different fertilizing systems. The field experiments are located at three sites with different soil and climatic conditions in the Czech Republic (Červený Újezd, Humpolec and Prague-Suchdol). Same fertilizing systems and crop rotation (potatoes (maize) – winter wheat – spring barley) are realized at each site with following fertilizing treatments: (1) unfertilized treatment (control), (2) farmyard manure (FYM), (3) and (4) sewage sludge (SS 1 and SS 3), (5) m

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2

Nakajima, J., Y. Murata, and M. Sakamoto. "Comparison of several methods for BAP measurement." Water Science and Technology 53, no. 2 (2006): 329–36. http://dx.doi.org/10.2166/wst.2006.067.

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It has been more important for management of water quality to estimate the amount of bioavailable phosphorus (BAP) in suspended solids (SS) entering lakes and estuaries. AGP test or extraction by 0.1 mol l−1 NaOH (C-BOD) is widely used. Recently, highly bioavailable phosphorus (HBAP) was introduced to indicate a more easily soluble and bioavailable fraction using successive extraction by 0.1 mol l−1 HCl and 0.1 mol l−1 NaOH. New biologically measured BAP (B-BAP) using bacterial respiration activity was introduced in this paper. B-BAP was estimated from oxygen uptake rate (OUR), which was measu

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D.B., Baker, Confesor R., Ewing D.E., Johnson L.T., Kramer J.W., and Merryfield B.J. "Phosphorus loading to Lake Erie from the Maumee, Sandusky and Cuyahoga rivers: The importance of bioavailability." Journal of Great Lakes Research 40, no. 3 (2014): 502–17. https://doi.org/10.1016/j.jglr.2014.05.001.

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<strong>ABASTRACT</strong> Lake Erie has undergone re-eutrophication beginning in the 1990s, even though total phosphorus (TP) loads to the lake continued to slowly decline. Using our 1982 and 2007–10 studies of the bioavailability of dissolved and particulate phosphorus export frommajor Ohio tributaries, togetherwith our long-termTP and dissolved reactive phosphorus (DRP) loading data, we estimated long-term annual export of dissolved and particulate bioavailable phosphorus. DRP was found to adequately represent dissolved bioavailable export while 26–30% of the particulate phospho

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4

Thien, S. J., and R. Myers. "Determination of Bioavailable Phosphorus in Soil." Soil Science Society of America Journal 56, no. 3 (1992): 814–18. http://dx.doi.org/10.2136/sssaj1992.03615995005600030023x.

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5

Soares, Ana R. A., Ann-Kristin Bergström, Ryan A. Sponseller, et al. "New insights on resource stoichiometry: assessing availability of carbon, nitrogen, and phosphorus to bacterioplankton." Biogeosciences 14, no. 6 (2017): 1527–39. http://dx.doi.org/10.5194/bg-14-1527-2017.

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Abstract. Boreal lake and river ecosystems receive large quantities of organic nutrients and carbon (C) from their catchments. How bacterioplankton respond to these inputs is not well understood, in part because we base our understanding and predictions on total pools, yet we know little about the stoichiometry of bioavailable elements within organic matter. We designed bioassays with the purpose of exhausting the pools of readily bioavailable dissolved organic carbon (BDOC), bioavailable dissolved nitrogen (BDN), and bioavailable dissolved phosphorus (BDP) as fast as possible. Applying the me

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6

Nausch, M., and G. Nausch. "Bioavailable dissolved organic phosphorus and phosphorus use by heterotrophic bacteria." Aquatic Biology 1 (November 29, 2007): 151–60. http://dx.doi.org/10.3354/ab00012.

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7

Nolan, AL, GA Lawrance, and M. Maeder. "Phosphorus speciation in the Williams River, New South Wales: Eutrophication and a chemometric analysis of relationships with other water quality parameters." Marine and Freshwater Research 46, no. 7 (1995): 1055. http://dx.doi.org/10.1071/mf9951055.

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Phosphorus concentrations as both total phosphorus and partitioned (dissolved, 'bioavailable' and 'available-reactive') phosphorus have been determined in a quality-controlled study of the Williams River in the Hunter Valley, Australia, at Boags Hill during a five-month period. Complementary analyses of each sample for a range of standard water quality parameters were also obtained. Strong interrelationships between total phosphorus and partitioned phosphorus suggest that total phosphorus alone may be as adequate an indicator of potential algal growth as bioavailable phosphorus in this river s

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8

Nachchach, Badr, Halima Jounaid, Mohammed Taoufik, Nihad Chakri, Btissam Elamrani, and Wandé Dialo. "Speciation of Sedimentary Phosphorus in an Urban Wetland: The Case of El Oulfa Pound. Casablanca, Morocco." E3S Web of Conferences 502 (2024): 04004. http://dx.doi.org/10.1051/e3sconf/202450204004.

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Eutrophication remains a major concern for the quality of surface waters worldwide. This phenomenon significantly restricts water usage. The El Oulfa pond, located in Casablanca, is experiencing advanced eutrophication primarily caused by domestic wastewater discharge. Despite the cessation of these discharges and the implementation of an aeration system coupled with biological treatment, physicochemical analyses of the water body have shown an increase in phosphorus levels. This situation suggests a sedimentary origin for this nutrient, considered a limiting factor in eutrophication. This stu

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Depew, David C., and Emily Krutzelmann. "Dynamics of dissolved organic phosphorus in the nearshore of eastern Lake Erie." Aquatic Ecosystem Health & Management 26, no. 4 (2023): 31–42. http://dx.doi.org/10.14321/aehm.026.04.31.

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Abstract The east basin of Lake Erie continues to suffer from blooms of filamentous green algae (primarily Cladophora). Potential management action through reduced phosphorus loadings have and continue to focus on the dissolved inorganic phosphorus pool but other potentially bioavailable phosphorus pools are not always considered. In this study, we describe the dissolved organic phosphorus pool in eastern Lake Erie, with an extensive sampling of four transects along the north shore of the eastern basin from May to September 2019. The dissolved organic phosphorus pool was characterized and quan

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10

Klement, Rejšek. "The Quantitative Estimate of Bioavailable Inorganic Phosphorus Content in Forest Soils by the Modification of the Anion-Exchange Resin Method." Soil and Water Research 1, No. 4 (2013): 117–26. http://dx.doi.org/10.17221/6513-swr.

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The anion-exchange resin (AER) method for the estimation of bioavailable phosphorus was slightly optimised for soils with high contents of readily soluble organic compounds as well as for those having very dif&shy;ferent clay and sand contents. The method based on a strong base anion exchanger, the active group of trimethyl benzyl ammonium, the field moist soil, and the enclosure of resin beds in a bag was very different soils under relatively uniform outer conditions where the determination of the absorbance of (blue) phosphate-molybdate complex at 870 nm is used. The motivation of the pr

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11

Sharpley, Andrew N., W. W. Troeger, and S. J. Smith. "The Measurement of Bioavailable Phosphorus in Agricultural Runoff." Journal of Environmental Quality 20, no. 1 (1991): 235–38. http://dx.doi.org/10.2134/jeq1991.00472425002000010037x.

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12

Sharpley, Andrew N., S. J. Smith, O. R. Jones, W. A. Berg, and G. A. Coleman. "The Transport of Bioavailable Phosphorus in Agricultural Runoff." Journal of Environmental Quality 21, no. 1 (1992): 30–35. http://dx.doi.org/10.2134/jeq1992.00472425002100010003x.

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13

Sharpley, Andrew N., and S. J. Smith. "Prediction of Bioavailable Phosphorus Loss in Agricultural Runoff." Journal of Environmental Quality 22, no. 1 (1993): 32–37. http://dx.doi.org/10.2134/jeq1993.00472425002200010004x.

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14

David, B. Baker, T. Johnson Laura, B. Confesor Jr. Remegio, P. Crumrine John, Guo Tian, and F. Manning Nathan. "Needed: Early-term adjustments for Lake Erie phosphorus target loads to address western basin cyanobacterial blooms." Journal of Great Lakes Research 45, no. 2 (2019): 203–11. https://doi.org/10.1016/j.jglr.2019.01.011.

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<strong>ABSTRACT</strong> For Lake Erie, it is already time to revise the phosphorus target loads set to address the problem of cyanobacterial blooms in theWestern Basin. Current targets were proposed by the Annex 4 task group in 2015, adopted by U.S. and Canadian governments in 2016, and set as objectives of domestic action plans in 2017. These targets, applicable to all spring discharges below the 90th percentile, set a maximumload for both total phosphorus (TP) and dissolved reactive phosphorus (DRP) equivalent to 60% of their 2008 spring loads. This essentiallymandates 40% reductions in bo

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15

Herndon, Elizabeth, Lauren Kinsman-Costello, Nicolle Di Domenico, et al. "Iron and iron-bound phosphate accumulate in surface soils of ice-wedge polygons in arctic tundra." Environmental Science: Processes & Impacts 22, no. 7 (2020): 1475–90. http://dx.doi.org/10.1039/d0em00142b.

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16

Tivig, Miriam, David P. Keller, and Andreas Oschlies. "Riverine nutrient impact on global ocean nitrogen cycle feedbacks and marine primary production in an Earth system model." Biogeosciences 21, no. 19 (2024): 4469–93. http://dx.doi.org/10.5194/bg-21-4469-2024.

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Abstract. Riverine nutrient export is an important process in marine coastal biogeochemistry and also impacts global marine biology. The nitrogen cycle is a key player here. Internal feedbacks are shown to regulate not only nitrogen distribution, but also primary production and thereby oxygen concentrations. Phosphorus is another essential nutrient and interacts with the nitrogen cycle via different feedback mechanisms. After a previous study of the marine nitrogen cycle response to riverine nitrogen supply, here we include phosphorus from river export with different phosphorus burial scenario

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17

Ciopińska, Joanna, Elżbieta Bezak–Mazur, Renata Stoińska, and Bartosz Szeląg. "The impact of Bacillus megaterium on the solubilisation of phosphorus from sewage sludge." E3S Web of Conferences 86 (2019): 00032. http://dx.doi.org/10.1051/e3sconf/20198600032.

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The aim of this work was to analyse the influence of Bacillus megaterium bacteria on the solubilisation of phosphorus in a sewage sludge. The tests were carried out for two different temperature conditions, i.e. 21 and 36ºC. In the experiment, lasting 23 days, the course of phosphorus solubilization under the influence of a changing population of bacteria was determined using Golterman’s speciation analysis. This method allows to estimating the fraction of bioavailable phosphorus in the tested samples. The obtained results allow one to state that the population size of Bacillus megaterium bact

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18

Auer, Martin, Cory McDonald, Anika Kuczynski, Chenfu Huang, and Pengfei Xue. "Management of the Phosphorus–Cladophora Dynamic at a Site on Lake Ontario Using a Multi-Module Bioavailable P Model." Water 13, no. 3 (2021): 375. http://dx.doi.org/10.3390/w13030375.

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The filamentous green alga Cladophora grows to nuisance proportions in Lake Ontario. Stimulated by high phosphorus concentrations, nuisance growth results in the degradation of beaches and clogging of industrial water intakes with attendant loss of beneficial uses. We develop a multi-module bioavailable phosphorus model to examine the efficacy of phosphorus management strategies in mitigating nuisance algal growth. The model platform includes modules simulating hydrodynamics (FVCOM), phosphorus-phytoplankton dynamics (GEM) and Cladophora growth (GLCMv3). The model is applied along a 25 km stre

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19

Nenes, A., M. D. Krom, N. Mihalopoulos, et al. "Atmospheric acidification of mineral aerosols: a source of bioavailable phosphorus for the oceans." Atmospheric Chemistry and Physics Discussions 11, no. 2 (2011): 6163–85. http://dx.doi.org/10.5194/acpd-11-6163-2011.

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Abstract. Primary productivity of continental and marine ecosystems is often limited or co-limited by phosphorus. Deposition of atmospheric aerosols provides the major external source of phosphorus to surface waters. However, only a fraction of deposited aerosol phosphorus is water soluble and available for uptake by phytoplankton. We propose that atmospheric acidification of aerosols is a prime mechanism producing soluble phosphorus from soil-derived minerals. Acid mobilization is expected to be pronounced where polluted and dust-laden air masses mix. Our hypothesis is supported by the solubl

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Nenes, A., M. D. Krom, N. Mihalopoulos, et al. "Atmospheric acidification of mineral aerosols: a source of bioavailable phosphorus for the oceans." Atmospheric Chemistry and Physics 11, no. 13 (2011): 6265–72. http://dx.doi.org/10.5194/acp-11-6265-2011.

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Abstract. Primary productivity of continental and marine ecosystems is often limited or co-limited by phosphorus. Deposition of atmospheric aerosols provides the major external source of phosphorus to marine surface waters. However, only a fraction of deposited aerosol phosphorus is water soluble and available for uptake by phytoplankton. We propose that atmospheric acidification of aerosols is a prime mechanism producing soluble phosphorus from soil-derived minerals. Acid mobilization is expected to be pronounced where polluted and dust-laden air masses mix. Our hypothesis is supported by the

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21

Yang, Wei, Yue Jiang, Jiaqi Zhang, et al. "Organic Materials Promote Soil Phosphorus Cycling: Metagenomic Analysis." Agronomy 15, no. 7 (2025): 1693. https://doi.org/10.3390/agronomy15071693.

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The combined application of chemical fertilizers with organic materials contributes to higher contents of bioavailable phosphorus. However, the underlying mechanism remains poorly understood. A field experiment including four treatments, chemical fertilizer (CF), chemical fertilizer with biochar (CB), chemical fertilizer with organic fertilizer (CO), and chemical fertilizer with biochar and organic fertilizer (CBO), was conducted to explore how the combination of fertilizer applications enhanced soil phosphorus bioavailability using metagenomic sequencing technology. The results showed that ch

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22

Szara, Ewa, Tomasz Sosulski, and Magdalena Szymańska. "Impact of long-term liming on sandy soil phosphorus sorption properties." Soil Science Annual 70, no. 1 (2019): 13–20. http://dx.doi.org/10.2478/ssa-2019-0002.

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Abstract The static fertilisation experiment conducted in Skierniewice (Central Poland) since 1923 investigates the effect of mineral fertilisation with lime (CaNPK) or without lime (NPK) on the accumulation and release of phosphorus in reference to phosphorus sorption properties in the sandy soil profile. In the case of application of same doses of mineral fertilisers, the content of total phosphorus was higher in NPK than CaNPK soil. Parameters related to sorption capacity and bonding energy from Langmuir and Freundlich model of P sorption were significantly lower in CaNPK than NPK soil prof

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23

Shepherd, Heather A. M., Matt T. Trentman, Jennifer L. Tank, et al. "Development of a Yeast-Based Assay for Bioavailable Phosphorus." ACS ES&T Water 1, no. 9 (2021): 2020–28. http://dx.doi.org/10.1021/acsestwater.1c00111.

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24

Jansson, Mats, Martin Berggren, Hjalmar Laudon, and Anders Jonsson. "Bioavailable phosphorus in humic headwater streams in boreal Sweden." Limnology and Oceanography 57, no. 4 (2012): 1161–70. http://dx.doi.org/10.4319/lo.2012.57.4.1161.

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25

Xuan, Meng Ru, Meng Zhao, Shuai Bing, and Xue Song Li. "Forms and Bioavailability of Phosphorus in the Suspended Solids of A²/O Process." Advanced Materials Research 955-959 (June 2014): 561–64. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.561.

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To investigate the potential bioavailability and mobility of phosphorus (P) in suspended solids, the Standards, Measurements and Testing (SMT) programmers was employed to characterize the distribution of P in suspended solids from different treatment stage of KunmingWWTP.Results showed that: the main form of total phosphorus (TP) in suspended solids was inorganic phosphorus (IP) ,which accounted for 47%~60%.Amongdifferent forms of inorganic phosphorus, Iron-phosphorus was the dominant forms accounted for 82 % of total phosphorus while calcium-phosphorus was only the minor par. Throughout the p

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Lutsey, Pamela L., Christina M. Parrinello, Jeffrey R. Misialek, et al. "Short-term Variability of Vitamin D–Related Biomarkers." Clinical Chemistry 62, no. 12 (2016): 1647–53. http://dx.doi.org/10.1373/clinchem.2016.261461.

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Abstract BACKGROUND Quantifying the variability of biomarkers is important, as high within-person variability can lead to misclassification of individuals. Short-term variability of important markers of vitamin D metabolism is relatively unknown. METHODS A repeatability study was conducted in 160 Atherosclerosis Risk in Communities study participants (60% female, 28% black, mean age 76 years). Fasting serum was drawn at 2 time points, a median of 6 (range 3–13) weeks apart. Vitamin D binding protein (VDBP) and 25-hydroxyvitamin D [25(OH)D] were measured by LC-MS, fibroblast growth factor (FGF2

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27

Wang, Wei, Yue Jiang, Shanshan Cai, Yumei Li, Lei Sun, and Juanjuan Qu. "Metagenomics Reveals the Effects of Organic Material Co-Application on Phosphorus Cycling Functional Genes and Bioavailable Phosphorus." Agronomy 15, no. 5 (2025): 1187. https://doi.org/10.3390/agronomy15051187.

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Phosphorus is essential for crop growth, but excessive use of chemical fertilizers can lead to environmental issues. The incorporation of organic materials has the potential to enhance phosphorus availability and promote soil phosphorus cycling. This study investigated the effects of chemical fertilizer co-application with two organic materials on soil properties and functions. Four treatments were established: (1) chemical fertilizer alone (SC, consisting of urea, ammonium phosphate, and potassium sulfate), (2) chemical fertilizer with corn-straw-derived biochar (SCB), (3) chemical fertilizer

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Kouyate, Aliou Badara, Ali Ibrahim, Idriss Serme, and Sidiki Gabriel Dembele. "Sorghum responses to different forms of Tilemsi rock phosphate combined with soluble fertilizers in a low-input production system in Mali." International Journal of Biological and Chemical Sciences 14, no. 9 (2021): 3285–96. http://dx.doi.org/10.4314/ijbcs.v14i9.25.

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The deficiency in bioavailable phosphorus is one of the major constraints to cereal production in Mali. The objective of this study was to assess the combined effects of Tilemsi rock phosphate (PNT) with different doses of soluble fertilizers on the solubility of rock phosphate, the agronomic performance of sorghum and the chemical properties of the soil. The study consisted of the comparison of four (4) types of fertilization at three (3) levels of variation 0 kg.ha-1; 11 kg.ha-1, and 16 kg.ha-1 of phosphorus arranged in a complete randomized block with three replicates. The combination of PN

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29

Ran, Xiang-bin, Hong-tao Chen, Jun-feng Wei, Qing-zhen Yao, Tie-zhu Mi, and Zhi-gang Yu. "Phosphorus speciation, transformation and retention in the Three Gorges Reservoir, China." Marine and Freshwater Research 67, no. 2 (2016): 173. http://dx.doi.org/10.1071/mf14344.

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Damming of river systems allowing the transformation of former rivers into artificial lakes will increase the transformation and retention of dissolved and sediment-associated phosphorus (P). The reservoir is therefore a ‘filter’ or ‘converter’, reducing and delaying the transport of nutrients to marine systems. Our study of the Three Gorges Reservoir (TGR) found that no stratification of phosphorus occurred, and the high particulate phosphorus (PP) concentrations upstream decreased gradually in the reservoir. Detrital P was found in greater concentrations in the surface sediment, accounting f

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Rankinen, Katri, Eila Turtola, Riitta Lemola, Martyn Futter, and José Enrique Cano Bernal. "Nutrient Load Mitigation with Wintertime Cover as Estimated by the INCA Model." Water 13, no. 4 (2021): 450. http://dx.doi.org/10.3390/w13040450.

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Increased nutrient loading causes deterioration of receiving surface waters in areas of intensive agriculture. While nitrate and particulate phosphorus load can be efficiently controlled by reducing tillage frequency and increasing vegetation cover, many field studies have shown simultaneously increased loading of bioavailable phosphorus. In the latest phase of the Rural Programme of EU agri-environmental measures, the highest potential to reduce the nutrient loading to receiving waters were the maximum limits for fertilization of arable crops and retaining plant cover on fields with, e.g., no

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31

Liu, Ling, Ying Zhang, Aris Efting, Tadd Barrow, Bao Qian, and Zejian Fang. "Modeling bioavailable phosphorus via other phosphorus fractions in sediment cores from Jiulongkou Lake, China." Environmental Earth Sciences 65, no. 3 (2011): 945–56. http://dx.doi.org/10.1007/s12665-011-1295-2.

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32

Bradford, Marie E., and Robert Henry Peters. "The relationship between chemically analyzed phosphorus fractions and bioavailable phosphorus1." Limnology and Oceanography 32, no. 5 (1987): 1124–37. http://dx.doi.org/10.4319/lo.1987.32.5.1124.

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33

TEZUKA, Yasuhiko. "Is the Suspended Particulate Phosphorus in Lake Biwa Potentially Bioavailable?" Japanese Journal of Limnology (Rikusuigaku Zasshi) 55, no. 2 (1994): 171–74. http://dx.doi.org/10.3739/rikusui.55.171.

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34

Poirier, Simon-C., Joann K. Whalen, and Aubert R. Michaud. "Bioavailable Phosphorus in Fine‐Sized Sediments Transported from Agricultural Fields." Soil Science Society of America Journal 76, no. 1 (2012): 258–67. http://dx.doi.org/10.2136/sssaj2010.0441.

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35

Prestigiacomo, Anthony R., Steven W. Effler, Rakesh K. Gelda, et al. "Apportionment of bioavailable phosphorus loads entering Cayuga Lake, New York." JAWRA Journal of the American Water Resources Association 52, no. 1 (2015): 31–47. http://dx.doi.org/10.1111/1752-1688.12366.

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36

Dijkstra, Marcel L., Martin T. Auer, Anika Kuczynski, and Renn Lambert. "Determination of bioavailable phosphorus in water samples using bioassay methods." MethodsX 7 (2020): 100807. http://dx.doi.org/10.1016/j.mex.2020.100807.

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37

Ngoc, Nguyen Minh, Takanobu Inoue, and Kuriko Yokota. "Ultrasonic extraction method for quantifying bioavailable phosphorus in particulate form." Journal of Environmental Chemical Engineering 5, no. 3 (2017): 2498–507. http://dx.doi.org/10.1016/j.jece.2017.04.047.

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38

Johnstone, P. R., T. K. Hartz, M. D. Cahn, and M. R. Johnstone. "Lettuce Response to Phosphorus Fertilization in High Phosphorus soils." HortScience 40, no. 5 (2005): 1499–503. http://dx.doi.org/10.21273/hortsci.40.5.1499.

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Decades of heavy phosphorus (P) fertilization of vegetable crops in the Salinas Valley of California has increased soil test P (STP) levels, with bicarbonate-extractable P (Pbc) values >50 mg·kg–1 now common. To evaluate the response of lettuce (Lactuca sativa L.) to P fertilization in fields with elevated STP levels, 12 trials were conducted in commercial fields during 2002–03. Initial Pbc at the trial sites varied from 53 to 171 mg·kg–1. In each trial, four replicate plots receiving the growers' P application were compared with paired plots in which no P was applied. Leaf P was monitored

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39

Ka Ling, Ting, Kuriko Yokota, Makoto Saga, and Takanobu Inoue. "Extraction of bioavailable phosphorus in soils and sediments using an ultrasonic washing machine." Water Science and Technology 83, no. 4 (2021): 762–70. http://dx.doi.org/10.2166/wst.2021.014.

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Abstract For improving the management of watershed eutrophication, methods for measuring bioavailable phosphorus (BAP) are more important than measurements of total phosphorus (TP). BAP in particulate form (P-BAP) is an important substance that promotes eutrophication, especially during rainy seasons. Only a portion of particulate phosphorus (PP) is taken up by algae that contribute to eutrophication. Erosion and runoff associated with rainfall transport PP bound to sediments and soil particles to surface waters, thus increasing PP concentration. This research evaluated an extraction method us

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40

Grace, Michael R., Todd R. Scicluna, Chamindra L. Vithana, Peter Symes, and Katrina P. Lansdown. "Biogeochemistry and cyanobacterial blooms: investigating the relationship in a shallow, polymictic, temperate lake." Environmental Chemistry 7, no. 5 (2010): 443. http://dx.doi.org/10.1071/en10042.

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Environmental context.Effective mitigation of algal blooms, and their associated detrimental impacts on flora and fauna, requires an understanding of the factors leading to bloom development, including nutrients, light and hydrodynamics. We investigated a shallow, freshwater lake and demonstrate that there is sufficient bioavailable phosphorus to annually generate a large algal biomass. Extensive, seasonal phosphorus release from sediments is controlled by the interactions of the biogeochemical cycles of nitrogen, carbon, oxygen, iron and sulfur. Abstract.The shallow, polymictic Ornamental Lak

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41

Nogueirol, Roberta Corrêa, Wanderley José de Melo, Edna Ivani Bertoncini, and Luís Reynaldo Ferracciú Alleoni. "Effectiveness of Extractants for Bioavailable Phosphorus in Tropical Soils Amended with Sewage Sludge." Applied and Environmental Soil Science 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/720167.

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Urban wastes such as sewage sludge can be an economically viable alternative source for providing macro- and micronutrients to plants in tropical conditions. Sewage sludge is normally rich in phosphorus (P), which is present in soils mainly in organic forms, so that it is very important to establish methods for estimating its availability to plants. This study aimed to test three extractants that simulate P-uptake by maize (Zea mays) cropped in plots after 13 consecutive years of fertilization with sewage sludge, in a cycle of fertilized sugarcane (SaccharumL.) amended with sewage sludge and o

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42

Kulhánek, M., J. Balík, J. Černý, and V. Vaněk. "Evaluation of phosphorus mobility in soil using different extraction methods." Plant, Soil and Environment 55, No. 7 (2009): 267–72. http://dx.doi.org/10.17221/43/2009-pse.

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Soil samples (from Czech and German long-term field experiments) were used to estimate different soil phosphorus (P) fractions. More than 200 topsoil (0–30 cm) samples from different fertilizing treatments were taken. These were analyzed for P in soil solution (P<sub>CaCl2</sub>) [0.01M CaCl<sub>2</sub> extract], exchangeable sorbed P (P<sub>ex</sub>) [anion exchange (AE) membranes] and bioavailable P [Doppel-Lactat and Mehlich 3 (P<sub>DL</sub> and P<sub>M3</sub>)]. Other fractions analyzed were total inorganic (P<sub>in</su

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Preisner, Michał, Elena Neverova-Dziopak, and Zbigniew Kowalewski. "Mitigation of eutrophication caused by wastewater discharge: A simulation-based approach." Ambio 50, no. 2 (2020): 413–24. http://dx.doi.org/10.1007/s13280-020-01346-4.

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AbstractMitigation of eutrophication, intensified by excessive nutrient load discharge in wastewaters regulated by restrictive legal requirements, remains one of today’s most important global problems. Despite implementation of the Water Framework Directive, the Urban Wastewater Directive and the HELCOM recommendations, the actual condition of surface water is still not satisfactory. In response to the above, the study presents an alternative approach for surface water protection against eutrophication based on the selection of appropriate nutrient removal technologies. An activated sludge mod

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Brembu, Tore, Alice Mühlroth, Leila Alipanah, and Atle M. Bones. "The effects of phosphorus limitation on carbon metabolism in diatoms." Philosophical Transactions of the Royal Society B: Biological Sciences 372, no. 1728 (2017): 20160406. http://dx.doi.org/10.1098/rstb.2016.0406.

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Phosphorus is an essential element for life, serving as an integral component of nucleic acids, lipids and a diverse range of other metabolites. Concentrations of bioavailable phosphorus are low in many aquatic environments. Microalgae, including diatoms, apply physiological and molecular strategies such as phosphorus scavenging or recycling as well as adjusting cell growth in order to adapt to limiting phosphorus concentrations. Such strategies also involve adjustments of the carbon metabolism. Here, we review the effect of phosphorus limitation on carbon metabolism in diatoms. Two transcript

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Sharpley, A. N., R. Indiati, C. Ciavatta, N. Rossi, and P. Sequi. "Interlaboratory Comparison of Iron Oxide-Impregnated Paper to Estimate Bioavailable Phosphorus." Journal of Environmental Quality 23, no. 1 (1994): 14–18. http://dx.doi.org/10.2134/jeq1994.00472425002300010004x.

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Fang, F., P. L. Brezonik, D. J. Mulla, and L. K. Hatch. "Characterization of Soil Algal Bioavailable Phosphorus in the Minnesota River Basin." Soil Science Society of America Journal 69, no. 4 (2005): 1016–25. http://dx.doi.org/10.2136/sssaj2003.0093.

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Ngoc, Nguyen Minh, Kuriko Yokota, Mbabazi James, and Takanobu Inoue. "The estimation of bioavailable phosphorus in particulate forms by ultrasonic treatment." Water and Environment Journal 31, no. 4 (2017): 492–97. http://dx.doi.org/10.1111/wej.12270.

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Van Donk, E., B. A. Faafeng, D. O. Hessen, and T. Källqvist. "Use of immobilized algae for estimating bioavailable phosphorus released by zooplankton." Journal of Plankton Research 15, no. 7 (1993): 761–69. http://dx.doi.org/10.1093/plankt/15.7.761.

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Sharpley, Andrew N., J. S. Robinson, and S. J. Smith. "Bioavailable phosphorus dynamics in agricultural soils and effects on water quality." Geoderma 67, no. 1-2 (1995): 1–15. http://dx.doi.org/10.1016/0016-7061(94)00027-8.

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Melia, Patrick M., Andrew B. Cundy, Saran P. Sohi, Peter S. Hooda, and Rosa Busquets. "Trends in the recovery of phosphorus in bioavailable forms from wastewater." Chemosphere 186 (November 2017): 381–95. http://dx.doi.org/10.1016/j.chemosphere.2017.07.089.

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