Scaling effects of a eutrophic river plume on organic carbon consumption

نویسندگان

چکیده

The amount of fluvial input has important impacts on shelf regions. To understand how the magnitude discharge affects plume ecosystems, particularly organic carbon consumption, data over 10 consecutive summers (2003–2012) were examined in Changjiang River East China Sea. area ranged from approximately 4.90 × 103 km2 to 94.83 and varied proportion freshwater rate. Plankton community respiration was at medium high end values reported for coastal Total consumption positively correlated with discharge. This scaling relationship might be associated river flows delivering allochthonous dissolved inorganic nutrients into However, plankton (per m3 basis) decreased as increased; this rate appeared have been influenced by particulate (POC) levels and/or total biomass. Even though POC dominated phytoplankton biomass allometrically, bacteria contributed more respiration, possibly signifying that these reliant plankton-derived matter. primary productivity, ecosystem heterotrophic, albeit close a state balance. support addition sources runoff, large matter autochthonous derived plume.

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ژورنال

عنوان ژورنال: Limnology and Oceanography

سال: 2021

ISSN: ['1939-5590', '0024-3590', '1939-5604']

DOI: https://doi.org/10.1002/lno.11729