Estonian test case Georg Martin & Kaire Torn Testing of the - - PowerPoint PPT Presentation

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Estonian test case Georg Martin & Kaire Torn Testing of the - - PowerPoint PPT Presentation

How can we tackle broader and more-detailed habitats within the same assessment Estonian test case Georg Martin & Kaire Torn Testing of the proposed aggregation methodology. Estonian test case. Location: Vinameri (West-Estonian


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How can we tackle broader and more-detailed habitats within the same assessment

Estonian test case

Georg Martin & Kaire Torn

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Testing of the proposed aggregation

  • methodology. Estonian test case.
  • Location: Väinameri (West-Estonian Archipelago

Sea)

  • Number of data points: 3521
  • Area: 1726 km2
  • Number of HUB level 5 habitats: 20
  • Number of HUB level 4 habitats: 10
  • Number of HUB level 3 habitats: 5
  • Assesment method: HELCOM indicator “Condition
  • f benthic habitats” version May/2017
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Proposal for overall assessment matrix for indicator “Condition of benthic habitats”

SubGES, SubGES,

close to GES far from GES

Area Stable or increasing Decline <10% Decline >10% Extent Stable or increasing Decline <10% Decline >10% Quality* ≥90% of area or stations in good status <90-75% of area or stations in good status >25% of area or stations in bad status Overall assessment** All "green" One or more "amber", but no "red" One or more "red" * The median value of indicators decides the quality of habitat when several indicators were used. ** The parameter assessed to have worst status decides the overall status. Parameter Status GES

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HUB level 5 code HUB level 5 Area km2 Extent km2 AA.A1C Baltic photic rock and boulders characterised by perennial algae 14 325 AA.A1S Baltic photic rock and boulders characterised by annual algae 13 231 AA.A2W Baltic photic rock and boulders characterised by microphytobenthic organisms and grazing snails 3 17 AA.H1B Baltic photic muddy sediment characterized by submerged rooted plants 47 1251 AA.H1Q Baltic photic muddy sediment characterized by stable aggregations of unnatached perennial vegetation 93 1670 AA.H1V Baltic photic muddy sediment characterized by mixed epibenthic macrocommunity 111 1785 AA.H3L Baltic photic muddy sediment characterized by infaunal bivalves 556 1925 AA.I1C Baltic photic coarse sediment characterized by perennial algae 1 12 AA.I3L Baltic photic coarse sediment characterized by infaunal bivalves 3 25 AA.J1A Baltic photic sand characterized by emergent vegetation 81 567 AA.J1B Baltic photic sand characterized by submerged rooted plant 222 1922 AA.J1Q Baltic photic sand characterized by stable aggregations of unnatached perennial vegetation 42 120 AA.J1S Baltic photic sand characterized by annual algae 76 520 AA.J1V Baltic photic sand characterized by mixed epibenthic macrocommunity 5 12 AA.J3L Baltic photic sand characterized by infaunal bivalves 165 1890 AA.M1B Baltic photic mixed substrate characterized by submerged rooted plants 10 126 AA.M1C Baltic photic mixed substrate characterized by perennial algae 223 1921 AA.M1S Baltic photic mixed substrate characterized by annual algae 43 1915 AA.M1V Baltic photic mixed substrate characterized by mixed epibenthic macrocommunity 5 13 AA.M2W Baltic photic mixed substrate characterized by microphytobenthic

  • rganisms and grazing snails

15 85

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How to translate change in area or extent to EQR?

Status Assessment result EQR GES Increasing 0.875 GES Stable 0.625 SubGES, close to GES Decline <10% 0.375 SubGES, far from GES Decline >10% 0.125

Transition of status of parameters of area or extent to EQR values (based on BalticBOOST, 2016).

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HUB level 5 code HUB level 5 Area Extent Quality (% of area or stations in good status) AA.A1C Baltic photic rock and boulders characterised by perennial algae stable decrease 85 AA.A1S Baltic photic rock and boulders characterised by annual algae increase increase 100 AA.A2W Baltic photic rock and boulders characterised by microphytobenthic organisms and grazing snails stable stable 90 AA.H1B Baltic photic muddy sediment characterized by submerged rooted plants stable stable 95 AA.H1Q Baltic photic muddy sediment characterized by stable aggregations of unnatached perennial vegetation stable stable 85 AA.H1V Baltic photic muddy sediment characterized by mixed epibenthic macrocommunity stable stable 90 AA.H3L Baltic photic muddy sediment characterized by infaunal bivalves stable stable 90 AA.I1C Baltic photic coarse sediment characterized by perennial algae stable stable 85 AA.I3L Baltic photic coarse sediment characterized by infaunal bivalves stable stable 90 AA.J1A Baltic photic sand characterized by emergent vegetation stable stable 95 AA.J1B Baltic photic sand characterized by submerged rooted plant stable stable 95 AA.J1Q Baltic photic sand characterized by stable aggregations of unnatached perennial vegetation stable stable 85 AA.J1S Baltic photic sand characterized by annual algae increase increase 100 AA.J1V Baltic photic sand characterized by mixed epibenthic macrocommunity stable stable AA.J3L Baltic photic sand characterized by infaunal bivalves stable stable 90 AA.M1B Baltic photic mixed substrate characterized by submerged rooted plants stable stable 90 AA.M1C Baltic photic mixed substrate characterized by perennial algae stable decrease 85 AA.M1S Baltic photic mixed substrate characterized by annual algae increase increase 100 AA.M1V Baltic photic mixed substrate characterized by mixed epibenthic macrocommunity stable stable 90 AA.M2W Baltic photic mixed substrate characterized by microphytobenthic organisms and grazing snails stable stable 95

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How to transfer percentage of area/percentage of stations in GES to EQR

0.2 0.4 0.6 0.8 1.0 37.5% 75% 90% 0% 100%

EQR Area/stations in GES

Transition of percentage of area or stations in good status to EQR values.

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HUB level 5 code HUB level 5 name Area EQR Extent EQR Quality EQR Overall assessme nt EQR AA.A1C Baltic photic rock and boulders characterised by perennial algae 0.625 0.375 0.53 0.375 AA.A1S Baltic photic rock and boulders characterised by annual algae 0.875 0.875 1 0.875 AA.A2W Baltic photic rock and boulders characterised by microphytobenthic

  • rganisms and grazing snails

0.625 0.625 0.6 0.600 AA.H1B Baltic photic muddy sediment characterized by submerged rooted plants 0.625 0.625 0.8 0.625 AA.H1Q Baltic photic muddy sediment characterized by stable aggregations of unnatached perennial vegetation 0.625 0.625 0.53 0.530 AA.H1V Baltic photic muddy sediment characterized by mixed epibenthic macrocommunity 0.625 0.625 0.6 0.600 AA.H3L Baltic photic muddy sediment characterized by infaunal bivalves 0.625 0.625 0.6 0.600 AA.I1C Baltic photic coarse sediment characterized by perennial algae 0.625 0.625 0.53 0.530 AA.I3L Baltic photic coarse sediment characterized by infaunal bivalves 0.625 0.625 0.6 0.600 AA.J1A Baltic photic sand characterized by emergent vegetation 0.625 0.625 0.8 0.625 AA.J1B Baltic photic sand characterized by submerged rooted plant 0.625 0.625 0.8 0.625 AA.J1Q Baltic photic sand characterized by stable aggregations of unnatached perennial vegetation 0.625 0.625 0.53 0.530 AA.J1S Baltic photic sand characterized by annual algae 0.875 0.875 1 0.875 AA.J1V Baltic photic sand characterized by mixed epibenthic macrocommunity 0.625 0.625 0.6 0.600 AA.J3L Baltic photic sand characterized by infaunal bivalves 0.625 0.625 0.6 0.600 AA.M1B Baltic photic mixed substrate characterized by submerged rooted plants 0.625 0.625 0.6 0.600 AA.M1C Baltic photic mixed substrate characterized by perennial algae 0.625 0.375 0.53 0.375 AA.M1S Baltic photic mixed substrate characterized by annual algae 0.875 0.875 1 0.875 AA.M1V Baltic photic mixed substrate characterized by mixed epibenthic macrocommunity 0.625 0.625 0.6 0.600 AA.M2W Baltic photic mixed substrate characterized by microphytobenthic

  • rganisms and grazing snails

0.625 0.625 0.8 0.625

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Result of aggregation of assessment result using all HUB level 5 habitats

HUB level 5 code Level 5 EQR HUB level 4 code Level 4 EQR HUB level 3 code Level 3 EQR AA.A1C 0.375 AA.A1S 0.875 AA.A2W 0.600 AA.A2 0.600 AA.H1B 0.625 AA.H1Q 0.530 AA.H1V 0.600 AA.H3L 0.600 AA.H3 0.600 AA.I1C 0.530 AA.I1 0.530 AA.I3L 0.600 AA.I3 0.600 AA.J1A 0.625 AA.J1B 0.625 AA.J1Q 0.530 AA.J1S 0.625 AA.J1V 0.600 AA.J3L 0.600 AA.J3 0.600 AA.M1B 0.600 AA.M1C 0.375 AA.M1S 0.875 AA.M1V 0.600 AA.M2W 0.625 AA.M2 0.625 0.625 AA.A1 AA.H1 AA.J1 AA.M1 0.585 0.601 0.613 AA.A AA.H AA.I AA.J AA.M 0.613 0.593 0.565 0.601 0.619

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HUB level 5 code HUB level 5 Level 5 EQR HUB level 4 co Level 4 EQR HUB level 3 co Level 3 EQR AA.A1C Baltic photic rock and boulders characterised by perennial algae 0.375 AA.A1S Baltic photic rock and boulders characterised by annual algae 0.875 AA.A2W Baltic photic rock and boulders characterised by microphytobenthic organisms and grazing snails 0.600 AA.A2 0.600 AA.H1B Baltic photic muddy sediment characterized by submerged rooted plants 0.625 AA.H1Q Baltic photic muddy sediment characterized by stable aggregations of unnatached perennial vegetation 0.530 AA.H1V Baltic photic muddy sediment characterized by mixed epibenthic macrocommunity 0.600 AA.H3L Baltic photic muddy sediment characterized by infaunal bivalves 0.600 AA.H3 0.600 AA.I1C Baltic photic coarse sediment characterized by perennial algae 0.530 AA.I1 0.530 AA.I3L Baltic photic coarse sediment characterized by infaunal bivalves 0.600 AA.I3 0.600 AA.J1A Baltic photic sand characterized by emergent vegetation 0.625 AA.J1B Baltic photic sand characterized by submerged rooted plant 0.625 AA.J1Q Baltic photic sand characterized by stable aggregations of unnatached perennial vegetation 0.530 AA.J1S Baltic photic sand characterized by annual algae 0.625 AA.J1V Baltic photic sand characterized by mixed epibenthic macrocommunity 0.600 AA.J3L Baltic photic sand characterized by infaunal bivalves 0.600 AA.J3 0.600 AA.M1B Baltic photic mixed substrate characterized by submerged rooted plants 0.600 AA.M1C Baltic photic mixed substrate characterized by perennial algae 0.375 AA.M1S Baltic photic mixed substrate characterized by annual algae 0.875 AA.M1V Baltic photic mixed substrate characterized by mixed epibenthic macrocommunity 0.600 AA.M2W Baltic photic mixed substrate characterized by microphytobenthic

  • rganisms and grazing snails

0.625 AA.M2 0.625 AA.A1 0.375 AA.A 0.488 AA.H1 0.578 AA.H 0.589 AA.M1 0.488 AA.M 0.556 AA.I 0.565 AA.J1 0.593 AA.J 0.597

Result of aggregation of assessment result using “important” HUB level 5 habitats

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Lessons learned from test case:

  • Aggregation of assessment results is possible!
  • Data demanding procedure. HUB level of initial

assessment depends on methods of data collection!

  • Result of assessment depends on the selected

approach (all vs selected “important” habitats)