E3S Web Conf.
Volume 244, 2021XXII International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies (EMMFT-2020)
|Number of page(s)||13|
|Section||Protection of Habitats and the Control of Hazards|
|Published online||19 March 2021|
Localization of the organic matter production and degradation in two different estuaries
Pacific Branch of Russian Federal Research Institute of Fisheries and Oceanography (TINRO), Vladivostok, Russia
* Corresponding author: email@example.com
Physical and chemical processes related to primary production of the estuaries of two rivers with different water regime are considered with special attention to their spatial and seasonal variability. Both production and degradation of the organic matter are quantitatively evaluated on the data of non-conservative variation of dissolved inorganic phosphorus concentration in the process of the river water dilution. Contribution of recycling to the phosphorus balance and the estuarine waters productivity is estimated. The organic matter degradation prevailed in the internal part of both estuaries, but its production dominated in their external parts, with a tendency of production lowering and degradation strengthening from spring to autumn. Utilization of the re-mineralized phosphorus in the external estuaries increased their potential productivity by 20-50%, provided by the terrigenous flux with the river water.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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