2006
DOI: 10.1111/j.1365-2109.2006.01444.x
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Heterogeneity of sediments and settling particles in aerated ponds

Abstract: A study was conducted in seabass (Dicentrarchus labrax) and oyster (Crassostrea gigas) ponds to assess the levels of heterogeneity of sediments and settling particles. The intensity of sampling to estimate with high accuracy some characteristics will depend on the magnitude of the variation within the population under consideration. Several variables, such as total phosphate (Tot‐P), total iron (Tot‐Fe), total ammonium nitrogen (TAN), organic carbon (Org‐C), total nitrogen (Tot‐N) and P fractions were analysed… Show more

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Cited by 3 publications
(3 citation statements)
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“…These features are essential as they impact the light regime of the pond and also the exchange of OM. Indeed the total flux of organic carbon (C-org) and nitrogen (N tot) trapped varied (1 -141 gC.m -2 .d -1 ), which was in agreement with the studies by Avnimelech et al (1999), Jimenez-Montealegre et al (2002, and Kassila and Hussenot (2006). The application of the dilution method to the trapped pools of C-org and N tot led to a much higher contribution of M A N U S C R I P T A C C E P T E D ACCEPTED MANUSCRIPT sedimentation compared to total solids, as in Avnimelech et al (1999).…”
Section: Exchanges Of Particulate Matter At the Water-sediment Interfacesupporting
confidence: 90%
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“…These features are essential as they impact the light regime of the pond and also the exchange of OM. Indeed the total flux of organic carbon (C-org) and nitrogen (N tot) trapped varied (1 -141 gC.m -2 .d -1 ), which was in agreement with the studies by Avnimelech et al (1999), Jimenez-Montealegre et al (2002, and Kassila and Hussenot (2006). The application of the dilution method to the trapped pools of C-org and N tot led to a much higher contribution of M A N U S C R I P T A C C E P T E D ACCEPTED MANUSCRIPT sedimentation compared to total solids, as in Avnimelech et al (1999).…”
Section: Exchanges Of Particulate Matter At the Water-sediment Interfacesupporting
confidence: 90%
“…Nevertheless, C-org and N tot sedimentation fluxes seemed overestimated by this method, as stated by Kassila and Hussenot (2006). An independent estimation of C sedimentation fluxes, based on the pond's primary production and feeding rate (Avnimelech et al, 1999;Kassila and Hussenot, 2006), lead to much lower values (1,6 -5,2 gC.m -2 .d -1 ) and to a percentage of sedimentation similar to that of total solids. In all cases, OM resuspension appeared to actively contribute to the water column metabolism and nutrient cycling, as suggested by the increase of water column respiration (not shown) after the large resuspension event in pond U.…”
Section: Exchanges Of Particulate Matter At the Water-sediment Interfacementioning
confidence: 89%
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