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phosphorus loading

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Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (1): 33–43.
Published: 28 February 2011
... point-source phosphorus loading reduction/white perch winter kill of early 1978 and the establishment of dreissenid mussels in the mid-1990’s. The relatively shallow and polymictic upper bay has facilitated the ice-free period domination of the phytoplankton by meroplanktonic diatoms (especially...
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Journal Article
Aquatic Ecosystem Health & Management (2006) 9 (1): 3–8.
Published: 01 January 2006
...Huasheng Hong; Jinliang Huang The overall objective of this study is to quantify the contributions of nitrogen and phosphorus loads in surface water and identify the critical source areas in a medium-sized scale watershed in the southeast of China. The method of integrating grid-based Geographic...
FIGURES
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (1): 1–24.
Published: 01 January 1998
... phosphorus loads were the fluxes from tributaries and the fish farm (assuming a production of 500 tons y −1 ), which accounted for about 70% and 25% of the total phosphorus load, respectively. The simulations suggested that about 50% of the annual deposition of phosphorus was resuspended, of which about 60...
Journal Article
Aquatic Ecosystem Health & Management (2002) 5 (1): 19–29.
Published: 01 March 2002
...Martin Søndergaard; Jens Peder Jensen; Erik Jeppesen; Poul Hald Møller To investigate how phosphorus concentrations and retention were affected during recovery after reduced external phosphorus loading, phosphorus concentrations and loading were seasonally monitored for 11 years in 15 shallow...
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Published: 28 May 2010
Figure 4. Long-term dynamics of the loading of total nitrogen (TN) and phosphorus (TP) and TN/TP ratio in the loading of Lake Võrtsjärv (A, B, C) and into Lake Peipsi (data from Nõges T. et al., 2005; Loigu et al., 2008 ). More
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Published: 01 January 2006
Figure 2. The spatial distribution of nitrogen and phosphorus loads in the Jiulong River watershed a) Dissolved N; b) Dissolved P; c) particulate N; d) particulate P. Unit: kg ha − 1 . More
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Published: 02 April 2020
Figure 6. Long-term changes in Phosphorus Loadings (kg d −1 ), Total Phosphorus concentration (µg l −1 ), Chlorophyll a concentration (µg l −1 ) and Phytoplankton biomass (g m −3 ) in the upper Bay of Quinte, Lake Ontario as result of the phosphorus abatement program implemented in 1978 More
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Published: 10 March 2008
Figure 4. Average total phosphorus load (tonnes year − 1 ) and concentration (μ g l − 1 ) during the growing season in the whole of Lake Ladoga in the period 1958–2005. More
Journal Article
Aquatic Ecosystem Health & Management (2012) 15 (4): 421–429.
Published: 01 December 2012
... were used to build consensus around the significance of the apparent declines in total phosphorus (TP) and chlorophyll- a (Chl- a ) concentrations following two interventions: (1) point-source phosphorus loading reductions of about 50% to the upper bay in the winter of 1977–1978 and (2...
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Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (1): 21–32.
Published: 28 February 2011
... reductions in phosphorus loadings and the implementation of a long term research and monitoring program (1972–present) conducted by Fisheries and Oceans Canada along with other federal and provincial agencies. Microbial loop research was added in 2000 to the ongoing monitoring program which included...
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Journal Article
Aquatic Ecosystem Health & Management (2002) 5 (1): 31–43.
Published: 01 March 2002
...Erik Jeppesen; Jens Peder Jensen; Martin Søndergaard The response of the biological community to total phosphorus loading reductions was studied by sampling fortnightly during the summer for 11 years in 18 lakes with significant in-lake total phosphorus reductions, as well as in five reference...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (2): 133–145.
Published: 01 April 2005
... of the marsh even after the reduction of the external phosphorus loading. Copyright © AEHMS 2005 coastal wetlands sediments nutrient fluxes phosphorus internal loadings porewater Wetlands are important links between the terrestrial and aquatic ecosystems as they attenuate the flow...
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Journal Article
Aquatic Ecosystem Health & Management (2016) 19 (1): 1–18.
Published: 02 January 2016
... years). Our analysis of nutrient loading scenarios shows that the restoration pace of the Bay could be slow, even if the riverine total phosphorus concentrations reach levels significantly lower than their contemporary values, <25 µg TP l −1 . We believe that the on-going management decisions...
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Journal Article
Aquatic Ecosystem Health & Management (2016) 19 (2): 124–133.
Published: 02 April 2016
... changed in Hamilton Harbour and that sediment phosphorus release may delay water quality improvements for many years following reductions in total phosphorus loadings. Further research is needed to understand the implications to the Remedial Action Plan water quality goals. Copyright © 2016 Crown...
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Journal Article
Aquatic Ecosystem Health & Management (2002) 5 (1): 79–93.
Published: 01 March 2002
.... In the 1970s the Great Lakes Water Quality Agreement was signed between Canada and the United States and steps were taken to reduce the phosphorus loading to the Great Lakes including Lake Erie. Total phosphorus and chlorophyll a levels in the eutrophic west have dropped from 41 µg L −1 and 13.8 µg L −1...
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (2): 196–205.
Published: 06 June 2008
... that multiple environmental conditions (including annual/episodic meteorological patterns, seasonal/intermittent riverine inflows, annual phosphorus loading, etc.) interact with taxon-specific physiological traits to holistically influence late-summer phytoplankton abundance throughout inner Saginaw Bay...
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Journal Article
Aquatic Ecosystem Health & Management (2015) 18 (1): 7–17.
Published: 02 January 2015
...K. T. Holeck; L. G. Rudstam; J. M. Watkins; F. J. Luckey; J. R. Lantry; B. F. Lantry; E. S. Trometer; M. A. Koops; T. B. Johnson Phosphorus loading declined between the 1970s and the 1990s, leading to oligotrophication of the offshore waters of Lake Ontario during that time period. Using lake-wide...
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Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (1): 3–8.
Published: 28 February 2011
... (GLLFAS), and some colleagues (Glen Owen, Michael Michalski at OWRC along with Jack Christie and Don Hurley at Ontario Ministry of Natural Resources) saw an opportunity in Quinte to study the whole ecosystem response to reduced phosphorus loading. They persuaded Ontario to coordinate the timing of STP...
Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (1): 9–20.
Published: 28 February 2011
... showed no temporal change but were inversely correlated with mean summer flow from the main river draining into the Bay. Oxygen depletion was variable but exhibited a downward trend in response to reduced phosphorus loading with neither climate warming nor the driessenid invasion having a detectable...
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Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (1): 15–30.
Published: 01 January 2004
... by the International Joint Commission in 1985 as one of 42 ‘Areas of Concern’ in American and Canadian waters of the Great Lakes for which a Remedial Action Plan is required to restore beneficial uses. Phosphorus loading controls were implemented in the Bay of Quinte drainage basin in late 1977 to early 1978. In both...
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