Volga-Caspian branch of All-Russian Research Institute of Fisheries and Oceanography (Senior Researcher of the Laboratory of Water Problems and Toxicology)
Russian Federation
GRNTI 34.39 Физиология человека и животных
GRNTI 62.13 Биотехнологические процессы и аппараты
GRNTI 69.01 Общие вопросы рыбного хозяйства
GRNTI 69.25 Аквакультура. Рыбоводство
GRNTI 69.31 Промышленное рыболовство
GRNTI 69.51 Технология переработки сырья водного происхождения
GRNTI 87.19 Загрязнение и охрана вод суши, морей и океанов
BBK 26.221
The orientation of long-term dynamics of organic carbon content in sediments of different zones of the North Caspian is irregular and depends on sediments source of nourishment with organic matter. The organic carbon content in subsoil of the shoal water zone of the Eastern part of the Volga Delta pre-estuarine stretch and midstream sandbank Smirnovskiy depends on the organic flow rate and suspended material flow rate. It means that these areas are allochonous organic materials nourishment of sediments. Abyssal sea (steep-bottom) sediments have autochtonous organic nourishment, that is confirmed by dependence of the organic carbon content on the rate of production intensity (transparency, oxygen, pH).
оrganic carbon, sediments, dynamics, allochonous organic material, autochtonous organic material
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