The conditions of data integration for marine environment and activity are showing. The future development of Unified state system information for World Ocean is presenting.

Some scientific digital libraries provide scientometric services which collect different statistics including numbers of viewing and downloads over its content, etc. Sometimes statistics about publications are aggregated for its authors and at the next step for organizations of authors' affiliation. In this paper we present a scientometric service that makes an aggregation of publications' statistics for codes of scientific classification systems (rubricator) included in the publications metadata. This application works as a part of the Socionet Statistic system.

Various aspects of the organisation of services of management by metadata in the distributed information systems integrating the heterogeneous information for maintenance of scientifical researches are considered. Examples of realisation of information systems are presented.