Microphytobenthic primary production along a non-tidal sandy beach gradient: an annual study from the Baltic Sea

• Autorzy: Urban-Malinga B. , Wiktor J.
• Języki publikacji: EN

Abstrakty

EN

The microphytobenthic primary production and chlorophyll a content were studied over the annual cycle (May 1998 – May 1999) on a non-tidal Baltic sandy beach at three stations along the beach gradient: littoral, waterline and splash zone. The chlorophyll a concentrations varied between 0.88 and 12.18 μg cm−3. Net and gross primary production rates respectively lay within the ranges 0.1–31.4 mgC m−2 h−1 and 0.2–41.8 mgC m−2 h−1. The highest values of both Chl a content and primary production were noted at the littoral station, the lowest ones at the waterline. The mean annual P/B ratio was highest at the waterline. The differences in Chl a content between stations were statistically significant and may be related to water dynamics, resuspension and water content. Production rates were highly variable on monthly time scales, and the highest results at all the study locations were noted in July. The gross photosynthetic rates were significantly correlated with water temperature.

Słowa kluczowe

EN

primary production; microphytobenthos; chlorophyll a; sandy beach; Baltic Sea

• Wydawca: -
• Czasopismo: Oceanologia
• Rocznik: 2003
• Tom: 45
• Numer: 4
• Opis fizyczny: p.705-720,fig.,ref.

Twórcy

autor

Urban-Malinga B.

• Polish Academy of Sciences, Dziekanow Lesny, Konopnickiej 1, 05-092 Lomianki, Poland

autor

Wiktor J.

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