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List of regional indicators

Table 4. List of regional indicators to be filled for a broad area for water runoff soil erosion (once or twice or more based on the uniformity of the study area)

PHYSICAL AND ECOLOGICAL INDICATORS

CLIMATE

Annual rainfall (mm) BG aridity index Annual potential evapotranspiration (mm) Rain seasonality
  • <280
  • 280-650
  • 650 -1000
  • >1000
  • <50
  • 50-75
  • 75-100
  • 100-125
  • 125-150
  • >150
  • <500
  • 500-800
  • 800-1200
  • 1200-1500
  • >1500
  • <0.19
  • 0.20-0.39
  • 0.40-0.59
  • 0.60-0.79
  • 0.80-0.99
  • 1.00-1.19
  • >1.20
Rain erosivity (mm/h)
  • <60
  • 60 -90
  • 91-120
  • 121-160
  • >160


WATER RUNOFF

Drainage density (km of channels per km2 ) Impervious surface area (ha /10 km2 of territorial surface/10 years )
  • Coarse <5 km
  • Medium 5-10 km
  • Fine 10-20 km
  • Very fine >20 km
  • Low <10 ha
  • Moderate 10-25 ha
  • High 26-50 ha
  • Very high >50 ha


FIRES

Burned area (ha burned/10 years/10 km2 of territorial surface)
  • Low (<10 ha)
  • Moderate (10 -25 ha)
  • High (26 - 50 ha)
  • Very high (>50 ha)


ECONOMIC INDICATORS

LAND USE

Land abandonment (ha/10 years/10 km2
  • Low (<10 ha)
  • Moderate (10 -25 ha)
  • High (26 - 50 ha)
  • Very high (>50 ha)


WATER USE

Irrigation percentage of arable land
  • <5
  • 5-10
  • 10-25
  • 25-50
  • >50


TOURISM

Tourism intensity (Number of overnight stays / 10 km2 area = R)
  • Low R<0.01
  • Moderate R=0.01-0.04
  • High R=0.04-0.08
  • Very high R>0.08


SOCIAL INDICATORS

Old age index (population with age >65 / total population = R, %) Population density (people / km2) Population growth rate (% per year)
  • Low R<5
  • Moderate R=5-10
  • High R=10-20
  • Very high R>20
  • Low <50
  • Moderate 50-100
  • High 100-300
  • Very high >300
  • Low <0.2
  • Moderate 0.2-0.4
  • High 0.4-0.6
  • Very high >0.6