Name: Vegetated Shingle Habitat Map
Display Field: Site
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Is View: true
Is Updatable View: true
Source Schema Changes Allowed: true
Sources
Description: This vegetated shingle habitat map is derived from airborne data. The habitat map is a polygon shapefile showing site relevant habitat classes – this is a merged product of multiple sites across multiple years.
The habitat map is derived from CASI (Compact Airborne Spectrographic Imager) multispectral data, LIDAR (Light Detection and Ranging) elevation data, and other GIS products. The classification also uses ground data collected after the CASI capture.
The ground data is used to identify the characteristics of the different habitats in the CASI and LIDAR data. These characteristics are then used to classify the different habitats and fit them into one of the predefined classes.
The collection of ground data used in the classification has some limitations. It is not collected at the same time as the CASI or LIDAR; it is normally within a couple of months of CASI capture, therefore some variations between the CASI data and situation on site at the time of ground data collection are possible. A good spatial coverage of ground data around the site is recommended, although not always practically achievable. For a class to be mapped, there must have been samples collected for it on site. If the class is not seen on site or samples are not collected for a class, it cannot be mapped.
The habitat map was created using a supervised classification, which means ground data were used to train the model. The classifications had a quantitative accuracy assessment carried out on them in the form of a confusion matrix using ground data set aside and not used in training the classifier. Alongside this aerial photography captured simultaneously with the CASI data was used to check and make final improvements to the habitat map.
Copyright Text: Environment Agency
Min. Scale: 25000
Max. Scale: 0
Default Visibility: true
Max Record Count: 2000
Supported query Formats: JSON
Use Standardized Queries: True
Extent:
XMin: 487047.2883
YMin: 94022.6641000006
XMax: 653908
YMax: 288522
Spatial Reference: 27700 (27700)
Drawing Info:
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HasZ: false
HasM: false
Has Attachments: false
Has Geometry Properties: true
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Object ID Field: objectid
Unique ID Field:
IsSystemMaintained : True
Global ID Field:
Type ID Field: class
Fields:
- site (type: esriFieldTypeString, alias: Site Name, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
- casi_date (type: esriFieldTypeString, alias: CASI Survey Date, SQL Type: sqlTypeOther, length: 12, nullable: true, editable: true)
- lidar_date (type: esriFieldTypeString, alias: LIDAR Survey Date, SQL Type: sqlTypeOther, length: 12, nullable: true, editable: true)
- analysisyr (type: esriFieldTypeString, alias: Analysis Year, SQL Type: sqlTypeOther, length: 7, nullable: true, editable: true)
- class (type: esriFieldTypeString, alias: Vegetation Class, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
- version (type: esriFieldTypeInteger, alias: Version, SQL Type: sqlTypeOther, nullable: true, editable: true)
- objectid (type: esriFieldTypeOID, alias: FID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
- Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
- Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Types:
ID: Artificial Surface
Name: Artificial Surface
Domains:
Templates:
Name: Artificial Surface
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Attributes:
- class: Artificial Surface
ID: Bare Sand
Name: Bare Sand
Domains:
Templates:
Name: Bare Sand
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
ID: Driftline
Name: Driftline
Domains:
Templates:
Name: Driftline
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
ID: Grassland Communities
Name: Grassland Communities
Domains:
Templates:
Name: Grassland Communities
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Attributes:
- class: Grassland Communities
ID: Intertidal Mud
Name: Intertidal Mud
Domains:
Templates:
Name: Intertidal Mud
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
ID: Lichen and Bryophyte Rich Vegetation
Name: Lichen and Bryophyte Rich Vegetation
Domains:
Templates:
Name: Lichen and Bryophyte Rich Vegetation
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Attributes:
- class: Lichen and Bryophyte Rich Vegetation
ID: Non-Vegetated Shingle
Name: Non-Vegetated Shingle
Domains:
Templates:
Name: Non-Vegetated Shingle
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Attributes:
- class: Non-Vegetated Shingle
ID: Open Water
Name: Open Water
Domains:
Templates:
Name: Open Water
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
ID: Pioneer Shingle Vegetation
Name: Pioneer Shingle Vegetation
Domains:
Templates:
Name: Pioneer Shingle Vegetation
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Attributes:
- class: Pioneer Shingle Vegetation
ID: Saltmarsh
Name: Saltmarsh
Domains:
Templates:
Name: Saltmarsh
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
ID: Scrub
Name: Scrub
Domains:
Templates:
Name: Scrub
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
ID: Shingle With Mixed Vegetation
Name: Shingle With Mixed Vegetation
Domains:
Templates:
Name: Shingle With Mixed Vegetation
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Attributes:
- class: Shingle With Mixed Vegetation
ID: Vegetated Shingle Ridge
Name: Vegetated Shingle Ridge
Domains:
Templates:
Name: Vegetated Shingle Ridge
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Attributes:
- class: Vegetated Shingle Ridge
ID: Weedy / Ruderal
Name: Weedy / Ruderal
Domains:
Templates:
Name: Weedy / Ruderal
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
ID: Wetland
Name: Wetland
Domains:
Templates:
Name: Wetland
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Is Data Versioned: false
Has Contingent Values: false
Supports Rollback On Failure Parameter: true
Last Edit Date: 5/29/2024 9:48:35 PM
Schema Last Edit Date: 5/29/2024 9:48:35 PM
Data Last Edit Date: 5/29/2024 9:48:35 PM
Supported Operations:
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