Geoecological estimation of the Barents Sea area within the limits of Dolginskoye field

Authors: I.M. Efremkin (Sevmorneftegaz LLC Gazprom JSC)

The geoecological estimation of the Barents Sea area within the limits of Dolginskoye oil field is given. Physical, physicochemical, chemical and biological quantitative and qualitative parameters of the state of the sea ecosystem components: surface waters, surface bottom deposits and macrobenthos - are determined and analysed. The dynamic behavior of macrobenthos, natural and technogenic factors effect on it are established. It is offered to consider the presented data about the benthos communities state for the last decade as a basis for monitoring an ecological state of license areas at development of fields on a shelf. Natural factors of essential influence on processes of migration and accumulation of polluting substances are revealed.