Parent Layer: NUISANCE & HARMFUL ALGAE

Name: Cyanobacteria: Presence of Blooms

Display Field: RegionalUnitID

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: This data was derived as part of the Overall Assessment of the State of Nearshore Waters. Cyanobacteria, a blue-green algae, occurs naturally in freshwater but an overgrowth can result in a harmful algae bloom that can release toxins dangerous to human and ecosystem health. Cyanobacteria is assessed by calculating the extent of cyanobacteria blooms detected within a Regional Unit, using satellite composites. An additional flag is assigned to Regional Units where cyanobacteria is a source of high stress, as it is considered a serious concern. Thresholds for severity are based on World Health Organization guidelines.Satellite composites are from the National Oceanic & Atmospheric Association (NOAA) Harmful Algal Bloom Monitoring program.LAKE ERIE: 10-day composite images from the MODIS satellite, with Cyanobacteria Index algorithm applied; June - October, 2012-2017LAKE ONTARIO: 10-day composite images from the MODIS satellite, with Cyanobacteria Index algorithm applied; June - October, 2016-2018LAKE SUPERIOR: 7-day composite images from the Sentinel 3Asatellite, with Cyanobacteria Index algorithm applied; June - October, 2019Points represent the Regional Unit centroid.Low Stress: no bloom; High Stress: bloom

Copyright Text: Environment and Climate Change Canada - Strategic Policy Branch - RDGO; National Oceanic & Atmospheric Association (NOAA) Harmful Algal Bloom Monitoring program

Default Visibility: true

MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

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Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: 439441.2905000001
YMin: -704602.2919999994
XMax: 1611914.446999997
YMax: 15906.425200000405
Spatial Reference: 3978  (3978)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: Cyanobacteria
Field 2: null
Field 3: null
Field Delimiter: ,
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UniqueValueInfos:
• Value: No bloom
  Label: No bloom
  Description:
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• Value: Bloom
  Label: Bloom
  Description:
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• Value: No data
  Label: No data
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Transparency: 0
Labeling Info:

Advanced Query Capabilities:

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

HasZ: false

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Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• RegionalUnitID ( type: esriFieldTypeString, alias: Regional Unit ID, length: 254 )
• AssessmentYear ( type: esriFieldTypeInteger, alias: Assessment Year )
• Cyanobacteria ( type: esriFieldTypeString, alias: Cyanobacteria, length: 25 )
• BloomYear ( type: esriFieldTypeString, alias: Bloom Years, length: 50 )
• DataSource ( type: esriFieldTypeString, alias: Source of Data, length: 50 )
• AssessmentCategory ( type: esriFieldTypeString, alias: Assessment Category, length: 50 )
• NearshoreAssessment ( type: esriFieldTypeString, alias: Nearshore Assessment, length: 25 )

Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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