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Sergeeva, V M; Sukhanova, Irina N; Flint, Mikhail V; Pautova, L A; Grebmeier, Jacqueline M; Cooper, Lee W (2010): Total phytoplankton abundance and biomass in the surface and fluorescence maximum layers and contributions of dominant species to their values in the Werstern Arctic in July-August 2003. PANGAEA,, Supplement to: Sergeeva, VM et al. (2010): Phytoplankton community in the Western Arctic in July-August 2003. Translated from Okeanologiya, 2010, 50(2), 203-217, Oceanology, 50(2), 184-197,

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Phytoplankton community was studied in the Bering Strait and over the shelf, continental slope, and deep-water zones of the Chukchi and Beaufort Seas in the middle of the vegetative season (July-August 2003). Its structure was analyzed in relation to ice conditions and seasonal patterns of water warming, stratification, and nutrient concentrations. Overall variations in phytoplankton abundance from 200 to 6000000 cells/l and biomass from 0.1 to 444.1 µg C/l.were estimated. The bulk of phytoplankton cells concentrated in the seasonal picnocline at depths 10-25 m. The highest values of cell abundance and biomass were recorded in regions influenced by inflow of Bering Sea waters or characterized by intense hydrodynamics, such as the Bering Strait, Barrow Canyon, and the outer shelf and slope of the Chukchi Sea. In the middle of the vegetative season, phytoplankton in the study region of the Western Arctic proved to comprise three successional (seasonal) assemblages: early spring, late spring, and summer assemblages. Their spatial distribution was dependent mainly on local features of hydrological and nutrient regimes rather than on general latitudinal trends of seasonal succession characteristic of arctic ecosystems.
Median Latitude: 69.943467 * Median Longitude: -142.560067 * South-bound Latitude: 65.640000 * West-bound Longitude: -168.830000 * North-bound Latitude: 73.740000 * East-bound Longitude: -60.520000
NBP03-04A-126 * Latitude: 73.740000 * Longitude: -159.360000 * Location: Chukchi Sea * Device: Bottle, Niskin 30-L (NIS_30L)
NBP03-04A-128 * Latitude: 73.530000 * Longitude: -159.580000 * Location: Chukchi Sea * Device: Bottle, Niskin 30-L (NIS_30L)
NBP03-04A-135 * Latitude: 73.450000 * Longitude: -159.720000 * Location: Chukchi Sea * Device: Bottle, Niskin 30-L (NIS_30L)
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