Parent Layer: National Eelgrass Dataset Canada NETForce Northern Shelf

Name: CORI_BritishColumbia_Eelgrass_Aerial_Satellite_Images_2014_2019

Display Field: Site

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This data set is a polygon file mapping the location of Sensitive Habitat ShoreZone BioBands. The polygons correspond with data records found in the BioBand table of this Geodatabase. Due to a complex one-to-many relationship, this polygon file links to the "Sensitive_Habitat_ID" table through the "Sen_Hab_ID" field. From there the data can be linked onto the Unit_Lines feature class and the other ShoreZone data tables. Basic definitions of table fields are provided in this metadata, but the user is referred to the "lookup" and "definition" tables in the ShoreZone Coastal Imaging &amp; Habitat Mapping Protocol (2017)</SPAN><SPAN /><SPAN>available online at ShoreZone.org or at CoastalAndOceans.com. ShoreZone is a coastal habitat mapping and classification system in which georeferenced aerial imagery is collected specifically for the interpretation and integration of geomorphic and biological features of the intertidal zone and nearshore environment. Oblique low-altitude aerial video and digital still imagery of the coastal zone is collected during the lowest tides of the year, usually from a helicopter flying at or below 100 m altitude. During image collection, the aircraft's GPS position is continuously recorded so that the video and still imagery have positional information. Video imagery is accompanied by continuous, simultaneous commentary by a geologist and a biologist aboard the aircraft. The imagery and commentary are used in the definition of discrete along-shore coastal habitat units and the mapping of observed physical, geomorphic, sedimentary, and biological across-shore components within those units. Units are digitized as shoreline segments in ArcGIS, then integrated with the along-shore and across-shore geological and biological data attribute tables housed in the geodatabase. Mapped habitat features include degree of wave exposure, substrate type, sediment texture, intertidal biota, and some nearshore subtidal biota.</SPAN></P></DIV></DIV></DIV>

Service Item Id: 334a2367ceb546c39f21bb1c5411231b

Copyright Text: The ShoreZone Coastal Habitat Mapping Program is supported by a partnership of federal, state, provincial, local, and private agencies. Project management, mapping, and master database maintenance is the responsibility of Coastal and Ocean Resources, Inc. in Victoria, British Columbia. Please see ShoreZone.org or CoastalAndOceans.com for a list of partner agencies and related web sites.

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Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• Site ( type: esriFieldTypeString, alias: Site, length: 50 )
• Year ( type: esriFieldTypeString, alias: Year, length: 50 )
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• Day ( type: esriFieldTypeString, alias: Day, length: 50 )
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