Name: Whirling Disease Decontamination Zones

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Type: Feature Layer

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Description: This layer represents the Whirling Disease Decontamination Zones and is not visible beyond the scale of 1:27,733,946. The Whirling Disease Decontamination Zones are boundaries created for Government of Alberta field staff in an attempt to minimize the chance of spreading whirling disease. Whirling disease poses significant risks to the conservation and viability of native species and their habitat. This threat often has both ecological and economic impacts to fisheries, water management infrastructure, tourism, and local communities. Fish diseases (including parasites and pathogens) represent a substantial threat to the health of Alberta’s fisheries, particularly to species at risk. In August 2016, whirling disease was detected within Banff National Park for the first time in Canada. Fish samples in the Bow River (main stem and some tributaries) and the sites within the Crowsnest River have subsequently tested positive for whirling disease. As of April 2017, the Canadian Food Inspection Agency (CFIA) formally declared the Bow River and Oldman Watersheds to be ‘infected zones’. Permits will be required from CFIA to move fish or fish culture equipment from the infected area, as well as between the infected zone and the adjacent zone. The Whirling Disease Decontamination Zones contain 5 zones of inherent risk: 1) Confirmed Red Zone – zone tested positive of whirling disease 2) Suspect Red Zone - zone tested for whirling disease but not yet confirmed by the Canadian Food Inspection Agency (CFIA) 3) Irrigation Red Zone - a zone tested positive for whirling disease but applies only to irigation canals 4) Yellow Zone – zone that represents high risk waters for introduction/spread of whirling disease due to one or more of the following criteria: whirling disease susceptible species, high recreational activity/use and access to water, and high population base 5) White Zone – zone that does not have any confirmed high profile of whirling disease and represents lower risk due to lower population base and less activity/use. Data Use Constraints Government of Alberta Ministries: Government of Alberta Ministries and authorized agencies may conditionally use this data for internal business purposes which includes conditional sharing of the data with other third parties (i.e., contractors, stakeholders) if necessary for reasonable use of the data relating to the provision of services to the Crown as represented by each Ministry. While every effort has been made to ensure that the information accessible from this dataset is complete, accurate, and current, the Government of Alberta, their agents and employees are not liable for any loss or damage arising directly or indirectly from the possession, publication, or use of, or reliance on, that information. This information is provided "as is" without expressed or implied warranty.

Service Item Id: 3e20996e2177440ebc8f3d8d09f42489

Copyright Text: Copyright Government of Alberta

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• Value: CONFIRMED RED
  Label: Confirmed Red Zone - CFIA confirmed positive detections
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• Value: SUSPECT RED
  Label: Suspect Red Zone - Not yet confirmed by CFIA
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• Value: IRRIGATION RED
  Label: Irrigation Red Zone - Applies Only to Irrigation Canals
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• Value: YELLOW
  Label: Yellow Zone - High to Moderate Risk
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• Value: WHITE
  Label: White Zone - Low Risk
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