Threats Classification Scheme (Version 3.0)

The hierarchical structure of the threat types as listed on the species Fact Sheets is shown here.

In using this hierarchical classification of causes of species decline, assessors are asked to indicate the threats that triggered the listing of the taxon concerned at the finest level possible. These threats could be in the past, ongoing or in the future, using a time frame of three generations or ten years, whichever is the longer (not exceeding 100 years in the future) as required by the Red List Criteria.

• 1 Residential & commercial development
  • 1.1 Housing & urban areas
  • 1.2 Commercial & industrial areas
  • 1.3 Tourism & recreation areas
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• 2 Agriculture & aquaculture
  • 2.1 Annual & perennial non-timber crops
    • 2.1.1 Shifting agriculture
    • 2.1.2 Small-holder farming
    • 2.1.3 Agro-industry farming
    • 2.1.4 Scale Unknown/Unrecorded
  • 2.2 Wood & pulp plantations
    • 2.2.1 Small-holder plantations
    • 2.2.2 Agro-industry plantations
    • 2.2.3 Scale Unknown/Unrecorded
  • 2.3 Livestock farming & ranching
    • 2.3.1 Nomadic grazing
    • 2.3.2 Small-holder grazing, ranching or farming
    • 2.3.3 Agro-industry grazing, ranching or farming
    • 2.3.4 Scale Unknown/Unrecorded
  • 2.4 Marine & freshwater aquaculture
    • 2.4.1 Subsistence/artisinal aquaculture
    • 2.4.2 Industrial aquaculture
    • 2.4.3 Scale Unknown/Unrecorded
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• 3 Energy production & mining
  • 3.1 Oil & gas drilling
  • 3.2 Mining & quarrying
  • 3.3 Renewable energy
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• 4 Transportation & service corridors
  • 4.1 Roads & railroads
  • 4.2 Utility & service lines
  • 4.3 Shipping lanes
  • 4.4 Flight paths
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• 5 Biological resource use
  • 5.1 Hunting & trapping terrestrial animals
    • 5.1.1 Intentional mortality (human use)
    • 5.1.2 Incidental or accidental mortality (bycatch)
    • 5.1.3 Persecution/control
    • 5.1.4 Motivation Unknown/Unrecorded
  • 5.2 Gathering terrestrial plants
    • 5.2.1 Intentional mortality (human use)
    • 5.2.2 Incidental or accidental mortality (bycatch)
    • 5.2.3 Persecution/control
    • 5.2.4 Motivation Unknown/Unrecorded
  • 5.3 Logging & wood harvesting
    • 5.3.1 Intentional mortality (human use - subsistence/small scale)
    • 5.3.2 Intentional mortality (human use - large scale)
    • 5.3.3 Incidental or accidental mortality (bycatch - subsistence/small scale)
    • 5.3.4 Incidental or accidental mortality (bycatch - large scale)
    • 5.3.5 Motivation Unknown/Unrecorded
  • 5.4 Fishing & harvesting aquatic resources
    • 5.4.1 Intentional mortality (human use - subsistence/small scale)
    • 5.4.2 Intentional mortality (human use - large scale)
    • 5.4.3 Incidental or accidental mortality (bycatch - subsistence/small scale)
    • 5.4.4 Incidental or accidental mortality (bycatch - large scale)
    • 5.4.5 Persecution/control
    • 5.4.6 Motivation Unknown/Unrecorded
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• 6 Human intrusions & disturbance
  • 6.1 Recreational activities
  • 6.2 War, civil unrest & military exercises
  • 6.3 Work & other activities
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• 7 Natural system modifications
  • 7.1 Fire & fire suppression
    • 7.1.1 Increase in fire frequency/intensity
    • 7.1.2 Supression in fire frequency/intensity
    • 7.1.3 Trend Unknown/Unrecorded
  • 7.2 Dams & water management/use
    • 7.2.1 Abstraction of surface water (domestic use)
    • 7.2.2 Abstraction of surface water (commercial use)
    • 7.2.3 Abstraction of surface water (agricultural use)
    • 7.2.4 Abstraction of surface water (unknown use)
    • 7.2.5 Abstraction of ground water (domestic use)
    • 7.2.6 Abstraction of ground water (commercial use)
    • 7.2.7 Abstraction of ground water (agricultural use)
    • 7.2.8 Abstraction of ground water (unknown use)
    • 7.2.9 Small dams
    • 7.2.10 Large dams
    • 7.2.11 Dams (size unknown)
  • 7.3 Other ecosystem modifications
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• 8 Invasive & other problematic species & genes
  • 8.1 Invasive non-native/alien species
    • 8.1.1 Unspecified species
    • 8.1.2 Named species
  • 8.2 Problematic native species
  • 8.3 Introduced genetic material
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• 9 Pollution
  • 9.1 Domestic & urban waste water
    • 9.1.1 Sewage
    • 9.1.2 Run-off
    • 9.1.3 Type Unknown/Unrecorded
  • 9.2 Industrial & military effluents
    • 9.2.1 Oil spills
    • 9.2.2 Seepage from mining
    • 9.2.3 Type Unknown/Unrecorded
  • 9.3 Agricultural & forestry effluents
    • 9.3.1 Nutrient loads
    • 9.3.2 Soil erosion, sedimentation
    • 9.3.3 Herbicides and pesticides
    • 9.3.4 Type Unknown/Unrecorded
  • 9.4 Garbage & solid waste
  • 9.5 Air-borne pollutants
    • 9.5.1 Acid rain
    • 9.5.2 Smog
    • 9.5.3 Ozone
    • 9.5.4 Type Unknown/Unrecorded
  • 9.6 Excess energy
    • 9.6.1 Light pollution
    • 9.6.2 Thermal pollution
    • 9.6.3 Noise pollution
    • 9.6.4 Type Unknown/Unrecorded
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• 10 Geological events
  • 10.1 Volcanoes
  • 10.2 Earthquakes/tsunamis
  • 10.3 Avalanches/landslides
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• 11 Climate change & severe weather
  • 11.1 Habitat shifting & alteration
  • 11.2 Droughts
  • 11.3 Temperature extremes
  • 11.4 Storms & flooding
  • 11.5 Other impacts