# Commission Decision (EU) 2018/229 of 12 February 2018 establishing, pursuant to Directive 2000/60/EC of the European Parliament and of the Council, the values of the Member State monitoring system classifications as a result of the intercalibration exercise and repealing Commission Decision 2013/480/EU (notified under document C(2018) 696) (Text with EEA relevance), Division: Water category Coastal waters Geographical Intercalibration Group North East Atlantic

Extent: E+W+S+N.I.

Description of types that have been intercalibrated
Type
Characterisation
Salinity (psu)Tidal range (m)Depth (m)
Current Velocity (knots) Exposure
MixingResidence Time
Type for opportunistic blooming macroalgae, seagrasses, saltmarshes and benthic invertebrate fauna
NEA 1/26
Open oceanic or enclosed seas, exposed or sheltered, euhaline, shallow
< 30
Mesotidal 1-5
< 30
Medium 1 — 3
Exposed or sheltered
Fully mixed
Days (to weeks in the Wadden Sea)
Subtypes for intertidal macroalgae
NEA 1/26 A2
Open oceanic, exposed or sheltered, euhaline, shallow, Temperate waters (mainly, > 13 oC) and high irradiance (mainly, PAR > 29 Mol/m2 day)
> 30
Mesotidal 1 — 5
< 30
Medium 1 — 3
Exposed or sheltered
Fully mixed Days
NEA 1/26 B21
Open oceanic or enclosed seas, exposed or sheltered, euhaline, shallow Cool waters (mainly, < 13 oC) and medium irradiance (mainly, PAR < 29 Mol/m2 day)
> 30 Mainly mesotidal 1 — 5 < 30
Medium 1 — 3 Exposed or sheltered
Fully mixed Days
Subtypes for phytoplankton
NEA 1/26a
Open oceanic, exposed or sheltered, euhaline, shallow
> 30 Mesotidal 1 — 5 < 30
Medium 1 -3 Exposed or sheltered
Fully mixed Days
NEA 1/26b
Enclosed seas, exposed or sheltered, euhaline, shallow
> 30 Mesotidal 1 — 5 < 30
Medium 1 — 3 Exposed or sheltered
Fully mixed Days
NEA 1/26c
Enclosed seas, enclosed or sheltered, partly stratified
> 30 Microtidal/Mesotidal < 1 — 5 < 30
Medium 1 — 3 Exposed or sheltered
Partly stratified Days to weeks
NEA 1/26d
Scandinavian coast, exposed or sheltered, shallow
> 30 Microtidal < 1 < 30
Low < 1 Exposed or moderately exposed
Partly stratified Days to weeks
NEA 1/26e
Areas of upwelling, exposed or sheltered, euhaline, shallow
> 30 Mesotidal < 1 < 30
Medium 1 — 3 Exposed or sheltered
Fully mixed Days
Types for phytoplankton, macroalgae, seagrasses, saltmarshes, benthic invertebrate fauna
NEA 5
Helgoland (German Bight), rocky, exposed and partly stratified
> 30
Mesotidal
< 30
Medium 1 — 3 Exposed
Partly stratified Days
NEA 3/4
Polyhaline, Exposed or moderately exposed (Wadden Sea type)
Polyhaline 18 — 30 Mesotidal 1 — 5 < 30
Medium 1 — 3 Exposed or moderately exposed
Fully mixed Days
NEA 7
Deep fjordic and sea loch systems
> 30 Mesotidal 1 -5 > 30
Low < 1 Sheltered
Fully mixed Days
NEA 8a
Skagerrak Inner Arc Type, polyhaline, microtidal, moderately exposed, shallow
Polyhaline 25 — 30 Microtidal < 1 > 30
Low < 1 Moderately exposed
Fully mixed Days to weeks
NEA 8b
Skagerrak Inner Arc Type, polyhaline, microtidal, moderately sheltered, shallow
Polyhaline 10 — 30 Microtidal < 1 < 30
Low < 1 Sheltered to moderately exposed
Partly stratified Days to weeks
NEA 9
Fjord with a shallow sill at the mouth with a very deep maximum depth in the central basin with poor deepwater exchange
Polyhaline 25 — 30 Microtidal < 1 > 30
Low < 1 Sheltered
Partly stratified Weeks
NEA 10
Skagerrak Outer Arc Type, polyhaline, microtidal, exposed, deep
Polyhaline 25 — 30 Microtidal < 1 > 30
Low < 1 Exposed
Partly stratified Days
Countries sharing types that have been intercalibrated:
Type NEA1/26 opportunistic blooming macroalgae, seagrasses, saltmarshes, benthic invertebrate fauna: Belgium, France, Germany, Denmark, Ireland, Netherlands, Norway, Portugal, Spain, United Kingdom
Type NEA1/26 A2: intertidal macroalgae: France, Spain, Portugal
Type NEA1/26 B21: intertidal macroalgae: France, Ireland, Norway, United Kingdom
Type NEA1/26a phytoplankton: Spain, France, Ireland, Norway, United Kingdom
Type NEA1/26b phytoplankton: Belgium, France, Netherlands, United Kingdom
Type NEA1/26c phytoplankton: Germany, Denmark
Type NEA1/26d phytoplankton: Denmark
Type NEA1/26e phytoplankton: Portugal, Spain
Type NEA 5: Germany
Type NEA3/4: Germany, Netherlands
Type NEA7: Norway, United Kingdom
Type NEA8a: Norway, Sweden
Type NEA8b: Denmark, Sweden
Type NEA9: Norway, Sweden
Type NEA10: Norway, Sweden

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Source: https://www.legislation.gov.uk/eudn/2018/229/annex/division/1/division/15 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-15
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.