Non-indigenous species
Non-indigenous species
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Dissolved inorganic nitrogen
Winter observations of DIN (dissolved inorganic nitrogen) in the open and transitional waters of the Gulf of Riga are intermittently available since1974.
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Total Nitrogen
Observations of annual mean Total Nitrogen concentrations in the open waters of the Gulf of Riga are intermittently available from 1990 onwards.
Dissolved inorganic phosphorus
Observational results of dissolved inorganic phosphorus (DIP) concentrations in the open and transitional waters of the Gulf of Riga during the winter season are intermittently available from 1974 onwards.
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Chlorophyll a
For the assessment of the environmental status, the results of summer season measurements of chlorophyll a from 1996 onwards are used.
Researchers Night 2023 at LHEI
On Friday 29 September, LHEI invited to attend Researchers Night and explore the mysterious underwater world by learning about aquatic animals and research equipment
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