Table 2

Nutrient fluxes Nitrite+nitrate, ammonium and orthophosphate fluxes (μmol m-2 day-1) calculated from results obtained in February, June and October 1997 with a benthic chamber and in June 1999 with a benthic cylinder settled in the P. oceanica meadow of the Revellata Bay at 10 m depth (mean ± standard deviation; number of observation into brackets).

Method

NO2-+NO3-

NH4+

PO43-


February 1997

chamber

-495 ± 573 (2)

-5700 ± 763 (2)

-1395 ± 1018 (2)

June 1997

chamber

98 ± 81 (8)

-528 ± 547 (8)

-59 ± 243 (10)

October 1997

chamber

-452 ± 423 (2)

133 ± 242 (8)

-862 ± 995 (8)

June 1999

cylinder

-77 ± 98 (8)

-60 ± 98 (8)

-2 ± 6 (8)


Gobert et al. BMC Ecology 2002 2:9   doi:10.1186/1472-6785-2-9

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