OpenLegislation

Division Water category Coastal waters Geographical Intercalibration Group North East Atlantic

United Kingdom

Original text. Later amendments are not shown.

Description of types that have been intercalibrated

TypeCharacterisationSalinity (psu)Tidal range (m)Depth (m)Current Velocity (knots) ExposureMixingResidence Time
Type for opportunistic blooming macroalgae, seagrasses, saltmarshes and benthic invertebrate fauna
NEA 1/26Open 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 A2Open 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 B21Open 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 < 30Medium 1 — 3 Exposed or shelteredFully mixed Days
Subtypes for phytoplankton
NEA 1/26aOpen oceanic, exposed or sheltered, euhaline, shallow> 30 Mesotidal 1 — 5 < 30Medium 1 -3 Exposed or shelteredFully mixed Days
NEA 1/26bEnclosed seas, exposed or sheltered, euhaline, shallow> 30 Mesotidal 1 — 5 < 30Medium 1 — 3 Exposed or shelteredFully mixed Days
NEA 1/26cEnclosed seas, enclosed or sheltered, partly stratified> 30 Microtidal/Mesotidal < 1 — 5 < 30Medium 1 — 3 Exposed or shelteredPartly stratified Days to weeks
NEA 1/26dScandinavian coast, exposed or sheltered, shallow> 30 Microtidal < 1 < 30Low < 1 Exposed or moderately exposedPartly stratified Days to weeks
NEA 1/26eAreas of upwelling, exposed or sheltered, euhaline, shallow> 30 Mesotidal < 1 < 30Medium 1 — 3 Exposed or shelteredFully mixed Days
Types for phytoplankton, macroalgae, seagrasses, saltmarshes, benthic invertebrate fauna
NEA 5Helgoland (German Bight), rocky, exposed and partly stratified

> 30

Mesotidal

< 30

Medium 1 — 3 ExposedPartly stratified Days
NEA 3/4Polyhaline, Exposed or moderately exposed (Wadden Sea type)Polyhaline 18 — 30 Mesotidal 1 — 5 < 30Medium 1 — 3 Exposed or moderately exposedFully mixed Days
NEA 7Deep fjordic and sea loch systems> 30 Mesotidal 1 -5 > 30Low < 1 ShelteredFully mixed Days
NEA 8aSkagerrak Inner Arc Type, polyhaline, microtidal, moderately exposed, shallowPolyhaline 25 — 30 Microtidal < 1 > 30Low < 1 Moderately exposedFully mixed Days to weeks
NEA 8bSkagerrak Inner Arc Type, polyhaline, microtidal, moderately sheltered, shallowPolyhaline 10 — 30 Microtidal < 1 < 30Low < 1 Sheltered to moderately exposedPartly stratified Days to weeks
NEA 9Fjord with a shallow sill at the mouth with a very deep maximum depth in the central basin with poor deepwater exchangePolyhaline 25 — 30 Microtidal < 1 > 30Low < 1 ShelteredPartly stratified Weeks
NEA 10Skagerrak Outer Arc Type, polyhaline, microtidal, exposed, deepPolyhaline 25 — 30 Microtidal < 1 > 30Low < 1 ExposedPartly 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

    1. NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Phytoplankton Phytoplankton: parameter indicative of biomass parameter (Chlorophyll a)
    2. NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Macroalgae and Angiosperms Sub-Biological Quality Element Macroalgae
    3. NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Macroalgae and Angiosperms Sub-Biological Quality Element Macroalgae
    4. NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Macroalgae and Angiosperms Sub-Biological Quality Element Angiosperms
    5. NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Benthic invertebrate fauna