Ontologia

Governorate · SAU

Ar Rass

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

9

Observations

18

Area

2 651,2km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

9 distinct species · 18 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 obs · 8 cellules
Obs. / cellule
≥ 10
10–9
1–9
1–0
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,3°C

Annual rain

156mm

Warmest m°

41,0°C

Coldest m°

6,3°C

Elevation: 782 m on average (min 649 m, max 965 m)

Bioclimatic detailsExpert
Annual mean temp.
25,3°C
Annual rain
156mm
Warmest month
41,0°C
Coldest month
6,3°C
Mean alt.
782m
Min
649m
Max
965m
Std. dev.
75m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,9

Org. C

2,6g/kg

Clay

25,8%

Sand

41,2%

Silt

33,0%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
3,2g/kg
Clay
23,9%
Sand
42,7%
Silt
33,4%
5–15 cm
pH H₂O
8,0
Org. C
2,4g/kg
Clay
25,3%
Sand
41,4%
Silt
33,4%
15–30 cm
pH H₂O
8,0
Org. C
2,2g/kg
Clay
28,2%
Sand
39,5%
Silt
32,3%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest0.1%
Crops0.7%
Built-up0.4%
Bare soil96.3%
Other (grassland, water…)2.5%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology10 basins · 0 lakes · 28 rivers

Hydrology metrics for this exact territory

Stream length here

540,7km

Basins crossed

10

Max stream order

7

Max drainage

80 813km²

Discharge in basins

296,6m³/s

Mean precip.

168mm/an

Mean T°

24,0°C

Moisture idx

-0,91

Mean runoff

57mm/an

Mean elev. (basins)

774m

Rivers / streams (28, ord ≥ 4)

16 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

3,5nW

Built-up

43,3%

Pesticides

5,9kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas2

IUCN II · 2

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN