Unstratified water column with reduced salinity

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• Altitude zones (terrestrial and marine) (no records)
• Marine depth zones, more detailed than altitude zones (no records)
• Climate zones (no records)
• Geomorphology typesHabitat type other information (1 records)

  Name	Description
  Open sea	Marine areas away from the shore

  
  
• Substrate typesHabitat type other information (1 records)

  Name	Description
  Water	Refers to water as actual substrate, in pelagic or sea-ice habitats

  
  
• Dominant life forms (no records)
• Percentage cover by vegetation (no records)
• Characteristics of wetness/drynessHabitat type other information (1 records)

  Name	Description
  Aquatic	Open or free-standing fresh or saline water

  
  
• Characteristics of water flow, source and quality (no records)
• Salinity values, for marine habitats onlyHabitat type other information (7 records)

  Name	Description
  Reduced salinity	18 - 30 parts per thousand (ppt)
  Reduced salinity relative to adjacent water	Not defined by concentration but comparison with neighbouring water body
  Low salinity	<18 parts per thousand (ppt)
  High salinity in a brackish water body	8-16 parts per thousand (ppt), from Baltic
  Medium salinity in a brackish water body	4-8 parts per thousand (ppt), from Baltic
  Low salinity in a brackish water body	2-4 parts per thousand (ppt), from Baltic
  Very low salinity in a brackish water body	<2 parts per thousand (ppt), from Baltic

  
  
• Exposure types (no records)
• Acidity, salinity, trophic status (no records)
• Characterising temperatureHabitat type other information (1 records)

  Name	Description
  Thermally unstratified	(in water) thermal gradients weak or absent

  
  
• Light intensity (no records)
• Spatial parameters of size and shape (no records)
• Temporal parametersHabitat type other information (1 records)

  Name	Description
  Short residence time	Short residence time (normally with reference to water bodies) is defined as changing diurnally

  
  
• Human activities and impacts (no records)
• Levels of habitat usage (no records)