Temporal Relation between Soluble Reactive Phosphorus and Factors in Stream Water and Sediments in Hoxie Gorge Creek, New York

Klotz, Richard

doi:10.1139/f91-012

Cited by 37 publications

(30 citation statements)

References 15 publications

(6 reference statements)

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“…This nutrient can be eliminated from water by abiotic processes (Klotz 1988), by uptake by primary producers or microbial decomposers, or precipitation with calcium (Stewart 1988), mostly at high temperatures, that would involve the primary producers, but also abiotic processes. According to Klotz (1991 ), the equilibrium concentration of phosphate changes in a seasonal way due to differences in the decomposition rates, temperature, calcium concentration, etc., with the phosphate concentration being higher in summer. Even in those cases where abiotic retention is most important, floods would play an important role, by stirring the sediment, and thus renewing its phosphate-binding capacity.…”

Section: Discussionmentioning

confidence: 99%

Self-purification processes along a medium-sized stream

Elosegui

Arana

Basaguren

et al. 1995

Environmental Management

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/ Water quality levels and loads of nutrients transported by the AgL~era stream (northern Spain) were studied for a year to assess the self-purification capacity of this system. The main villages produce an increase of nutrient concentrations and a degradation of water quality. Nevertheless, the high retention capacity, especially for phosphate, allows the stream to recover its previous levels of quality after a short reach. The retention of nutrients depends on a complex combination of the flow level, hydrologic stability and the development of periphytic communities.Increasing concern about the conservation of rivers, and mainly about the quality of stream waters, led to the development of several quality criteria and quality indexes (Tuffery and Verneaux 1967, Nisbet and Verneaux 1970, Janardan and Schaeffer 1975, Hellawell 1977, as well as to the assessment of the role played by fluvial systems in the dilution and purification of the nutrient and pollutant inputs (Margalef 1983). Rivers are not just sewers that channel the materials exported out of the terrestrial ecosystems, but centers of intense biological activity, with an important capacity for processing the transported materials (Hearne and Howard-Williams 1988, Cooper 1990). The capacity of purification is often .exceeded by nutrient inputs, and rivers all around the world show strong eutrophication and pollution. Therefore, in order to manage our environment in a sound way, it is necessary to assess the ability of self-purification of any running waters and to determine the maximum permissible levels of inputs, as well as the ways to attain those levels. Similarly, it is important to take into account any changes in the self-purification capacity of river systems as a result of human-caused impacts such as canalization, modification of river margins and riverbed or clear-cut of riparian vegetation (Pinay and others 1990).

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Section: Discussionmentioning

confidence: 99%

Self-purification processes along a medium-sized stream

Elosegui

Arana

Basaguren

et al. 1995

Environmental Management

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“…Biotic uptake can then be calculated by subtracting abiotic sorption from total (live) sorption. Sediment samples were incubated in a 100 mg/L PO 4 -P solution buffered with 50 mg/L CaCl 2 and 30 mg/L MgCl 2 to match natural stream water ionic strength (Klotz 1988(Klotz , 1991) at a 1:10 (g sediment : mL solution) ratio. Samples were continually agitated, and after 24 h, the aqueous and sediment phases were separated by filtration.…”

Section: Sediment/phosphorus Interactionsmentioning

confidence: 99%

“…EPC 0 of both live and killed sediments were determined by the techniques described by Froelich (1988), Klotz (1991), and House and Denison (2000). Four phosphorus solutions (0, 25, 50, 100 mg/L) were made by diluting a KH 2 PO 4 stock into a 50 mg/L CaCl 2 + 30 mg/L MgCl 2 solution (again, to match natural stream water ionic strength; Klotz 1988Klotz , 1991. To compensate for decreases in number of particles per gram while maintaining a 1:10 ratio (g sediment : mL solution) across the range of particle sizes, we incubated *10 g of sand or small gravel in 100 mL of each solution and 30 g of large gravel in 300 mL of each solution.…”

Section: Sediment/phosphorus Interactionsmentioning

confidence: 99%

Benthic sediment influence on dissolved phosphorus concentrations in a headwater stream

Lottig

Stanley

2007

Biogeochemistry

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Phosphate interacts with inorganic sediment particles through sorption reactions in streams. Collectively, this phosphorus (P) buffering mechanism can be an important determinant of soluble reactive P (SRP) concentrations. If sorption reactions control SRP concentrations in a stream, then differences in sediment characteristics may cause spatial differences in SRP concentrations. This prediction was tested by examining sediment-buffering characteristics and spatial variation in SRP among reaches with distinct sediment composition (i.e., fine versus coarse particles) in two tributaries of Boulder Creek, a headwater stream in central Wisconsin. SRP concentrations were significantly lower and algal available P and P sorption capacity were significantly higher in the reach dominated by fine sediments. Although fine particles such as sand had the greatest P sorption capacity, no retention could be attributed to biotic processes, whereas over 50% of P retention in coarse particles such as gravel could be linked to biotic uptake. Equilibrium P concentration (EPC 0 ) assays from different sediment fractions also indicate that biotic uptake is relatively unimportant in sand particles (EPC live 10 mg/L: EPC killed 10 mg/L) but very important in gravel or larger particles (EPC live 10 mg/L: EPC killed 80 mg/L). Thus, sediment influence on stream water P concentrations can shift predictably from abiotic sorption in reaches with fine particles to biotic retention in areas dominated by coarse sediments. Consequently, changes in sediment composition due to natural or anthropogenic disturbance have the potential to alter the type and strength of sediment-associated processes determining ambient stream P concentrations.

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“…McKnight and Bencala [1990] used relationships with major ions and an in-stream transport model to evaluate the relative importance of watershed and in-stream processes in controlling metal and stream retention of nutrients punctuated by large net losses during storms [Meyer and Likens, 1979;Grimm, 1987 Marti and Sabater, 1996] have demonstrated rapid in-stream uptake of nutrients by algae and microbes. In some streams adsorption by streambed sediments can also be an important regulator of inorganic P concentration [Meyer, 1979;Klotz, 1991;Tare et al, 1995].…”

Section: Paper Number 97wr00490mentioning

confidence: 99%

Seasonal patterns in streamwater nutrient and dissolved organic carbon concentrations: Separating catchment flow path and in‐stream effects

Mulholland¹,

Hill²

1997

Water Resources Research

253

228

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2) and minima (<0.6) in spring and autumn, suggesting substantial in-stream net uptake at these times. Observed/predicted DOC concentration ratios were more variable and generally ->1 but did show consistent autumn maxima (>2.5), indicating substantial in-stream DOC generation at this time. Observed/ predicted ratios for all nutrients were generally less variable and were closer to 1.0 at high flow compared to low flow, suggesting that in-stream controls on streamwater chemistry are less important at high discharge than at low discharge. Our results indicate two general modes of control of stream nutrient concentrations: (1) catchment control via seasonal variation in the dominant hydrologic pathway (greater proportion of deep groundwater in summer), which produces lower winter and higher summer concentrations, and (2) in-stream control via high rates of net nutrient uptake during the spring (primarily by autotrophs) and autumn (primarily by heterotrophs).

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Temporal Relation between Soluble Reactive Phosphorus and Factors in Stream Water and Sediments in Hoxie Gorge Creek, New York

Cited by 37 publications

References 15 publications

Self-purification processes along a medium-sized stream

Self-purification processes along a medium-sized stream

Benthic sediment influence on dissolved phosphorus concentrations in a headwater stream

Seasonal patterns in streamwater nutrient and dissolved organic carbon concentrations: Separating catchment flow path and in‐stream effects

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