Parent Layer: Near Threatened NT

Name: AB.A1J and AB.M1J NT

Display Field: Number

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Baltic aphotic rock and boulders or mixed substrates dominated by sponges (Porifera)The HELCOM Red List of Baltic Sea underwater biotopes, habitats and biotope complexes (2013) is an updated and improved version of the Red List assessment of marine and coastal biotopes and biotope complexes published in 1998. The classification of the report follows the proposed International Union for Conservation of Nature (IUCN) criteria and assessment principals but with some modifications for the Baltic Sea.Altogether, the HELCOM Underwater Biotope and habitat classification (HELCOM HUB) includes 209 biotopes of which 59 were red-listed. Many of the red-listed biotopes are located in deep areas of the Baltic Sea due to oxygen-free nature as well as in the southwestern Baltic Sea due to the salinity restricted distribution of species in certain biotope. The HELCOM assessment relies heavily on expert judgment and inference, and the questionnaire data represents the estimated presence-absence data not in-situ measured data. This must be taken in account when observing the map presentation. The biotopes are shown on the map using the EEA 100 km grid. This dataset displays estimated presence of AB.A1J and AB.M1J according to HELCOM RED LIST assessment experts:The sponge biotopes are distributed along the whole Baltic Sea coastline. But as aphotic stony bottoms are scarce in the South-western and Southern Baltic Sea the biotopes are distributed mainly along the Swedish, Danish, Estonian and Finnish coastline or at some offshore reefs. The higher the salinities, the higher the diversity of the sponges and due to the more erect growth also the diversity of the inhabiting invertebrate and fish communities. The distribution map indicates the area in the 100 x 100 km grid where biotopes are known to occur.(Data (expert judgements) collected in HELCOM RED LIST project, released in May 2013)

Service Item Id: 78ab174c9f8b4ad6aee325bad430537f

Copyright Text: HELCOM

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MaxRecordCount: 10000

Supported Query Formats: JSON, geoJSON, PBF

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Supports Datum Transformation: true

Extent:

XMin: 1048985.3002999984
YMin: 7098701.864799999
XMax: 3367655.6016
YMax: 9847790.269400002
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: AB_A1J
Field 2: N/A
Field 3: N/A
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UniqueValueInfos:
• Value: 1
  Label: Biotope present
  Description: N/A
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Labeling Info:

Advanced Query Capabilities:

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Supports Query With Distance: true
Supports Sql Expression: true
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Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Number ( type: esriFieldTypeSmallInteger, alias: Number )
• AB_A1J ( type: esriFieldTypeInteger, alias: AB_A1J & AB_M1J )
• Shape_Length ( type: esriFieldTypeDouble, alias: Shape_Length )
• Shape_Area ( type: esriFieldTypeDouble, alias: Shape_Area )

Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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