Data Set of Heavy metals in biota of the Baltic Sea

The aim of the research of mercury is to determine the contamination of the Baltic Sea biota and to evaluate long-term dynamic of mercury concentrations. These investigations are important, because heavy metals accumulate in biota, especially in their soft tissues.
In accordance with the national Baltic Sea monitoring programme the investigations of heavy metals in biota are performed one time a year (in summer) by the expedition vessel 'Vejas'.
Investigations of mercury in biota have been carried out since 1999 in the Lithuanian territorial and economic zones.
Mercury has been investigated in mussel (Macoma baltica, Mytillus edulis) and fish (flounder Platichthys flesus, herring Clupea harengus).
The data are fully quality controlled. Systematic certification of laboratories, participation in international intercalibrations, internal control, introduced managing system for research' quality, use of high quality reagents determine quality of data.
All data is stored in archive (written form in the annual Reports).

本研究旨在确定波罗的海生物群落的汞污染状况，并评估汞浓度的长期动态变化。此项研究意义重大，因为重金属在生物群落中积累，尤其是在其软组织中。根据国家波罗的海监测计划，对生物群落中的重金属进行的调查每年（夏季）由‘Vejas’远洋调查船进行一次。自1999年以来，在立陶宛的领土和经济专属区内已开展了对牡蛎（Macoma baltica，Mytillus edulis）和鱼类（比目鱼 Platichthys flesus，鲱鱼 Clupea harengus）中汞的调查。数据经过全面的质量控制。实验室的系统认证、参与国际比对、内部控制、引入的研究质量管理体系、使用高品质试剂均确保了数据的质量。所有数据均存档（以年度报告的书面形式）。