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This digital line map is a representation of the pressure placed on foreshores from introduced marine and beach weed species in the southern NRM region and is an attribute layer supporting the Pressure Index. Pressure from introduced species is assessed based on the number of species known or likely to be present within a segment, as well as habitat type and proximity to existing known populations. Species considered are Carcinus maenas, Crassostrea gigas, Spartina anglica, Undaria pinnatifida, Ammophila arenaria, Euphorbia paralias, Thinopyrum junceiforme, Ehrharta villosa and Arctotheca populifolia. An explanatory report is available from the data custodian which provides detailed methodology and further explanation of the dataset.", "geometryType": "esriGeometryPolyline", "sourceSpatialReference": { "wkid": 102100, "latestWkid": 3857 }, "copyrightText": "", "parentLayer": null, "subLayers": [], "minScale": 300000, "maxScale": 0, "drawingInfo": { "renderer": { "type": "uniqueValue", "field1": "INTROSPECIESATTRIBUTE_PRESSURE", "field2": null, "field3": null, "defaultSymbol": null, "defaultLabel": null, "uniqueValueInfos": [ { "symbol": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 0, 255, 0, 255 ], "width": 3 }, "value": "1", "label": "No pressure from introduced species", "description": "" }, { "symbol": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 176, 255, 176, 255 ], "width": 3 }, "value": "2", "label": "Slight pressure from introduced species", "description": "" }, { "symbol": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 255, 255, 0, 255 ], 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