Sub-regional assessment of phytoplankton status

Figure:  Ecological status for summer-time phytoplankton concentration in the open sea, transitional and coastal sub-areas, measured as chlorophyll a, during the period 2003-2007.

Bothnian Bay

The open sea phytoplankton status is moderate. In the coastal and transitional waters the status varies from poor to good.

The Quark

The phytoplankton status in the coastal and transitional Quark area is good.

Bothnian Sea

The phytoplankton status in the open sea is poor. In the coastal and transitional waters the status varies from bad to high.

Archipelago Sea

The phytoplankton status is poor or moderate.

Gulf of Finland

In the open sea the phytoplankton status is bad. In the coastal and transitional zone the status is poor or bad, except for one sight in the Finnish coast of the eastern gulf (Pyötsaari) where the status is moderate.

Gulf of Riga

In the open sea the phytoplankton status is bad. In the coastal and transitional waters the status is poor or bad.

Northern Gotland Basin

In the open sea the phytoplankton status is bad. The status of coastal and transitional waters is mostly poor or bad, but also sights with status from moderate to high occur.

Western Gotland Basin

In the open sea the phytoplankton status is poor. The status of coastal and transitional waters is mostly poor or bad, but also sights with status from moderate to high occur.

Eastern Gotland Basin

In the open sea the phytoplankton status is bad. In the coastal and transitional waters the status varies from moderate to bad.

Gulf of Gdansk

The phytoplankton status is poor or bad.

Bornholm Basin

In the open sea the phytoplankton status is moderate. In the southern coastal and transitional waters the status varies from moderate to bad, and in the western-north-western coast from high to bad.

Arkona Basin

In the open sea the phytoplankton status is moderate. In the coastal and transitional waters the status varies from high to moderate.

Kiel and Mecklenburg Bights

The phytoplankton status is moderate or poor.

Danish Straits

The phytoplankton status varies a great deal form high to bad.

The Kattegat

The phytoplankton status varies a great deal form high to bad. 

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Last updated: 12 May 2010