Ontologia

Governorate · SAU

Arar

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

69

Observations

94

Area

21 058,4km²

Ecological tissue

Sample of 18 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Arar : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2).

Espèces affichées
18
Interactions affichées
13
Connectance
0.085
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

69 distinct species · 94 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

94 obs · 19 cellules
Obs. / cellule
≥ 31
20–30
3–19
2–2
< 2

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

Climate

Mean T°

21,0°C

Annual rain

66mm

Warmest m°

38,9°C

Coldest m°

2,1°C

Elevation: 632 m on average (min 347 m, max 840 m)

Bioclimatic detailsExpert
Annual mean temp.
21,0°C
Annual rain
66mm
Warmest month
38,9°C
Coldest month
2,1°C
Mean alt.
632m
Min
347m
Max
840m
Std. dev.
139m
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

8,0

Org. C

4,0g/kg

Clay

31,1%

Sand

30,2%

Silt

38,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
4,7g/kg
Clay
30,3%
Sand
31,0%
Silt
38,7%
5–15 cm
pH H₂O
8,0
Org. C
4,5g/kg
Clay
31,5%
Sand
29,9%
Silt
38,6%
15–30 cm
pH H₂O
8,0
Org. C
2,8g/kg
Clay
31,5%
Sand
29,8%
Silt
38,7%

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

Land cover

Forest0.7%
Crops0.8%
Built-up0.1%
Bare soil90.4%
Other (grassland, water…)8.1%

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

Hydrology52 basins · 0 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

3 438,8km

Basins crossed

52

Max stream order

5

Max drainage

26 046km²

Discharge in basins

20,0m³/s

Mean precip.

93mm/an

Mean T°

20,8°C

Moisture idx

-0,94

Mean runoff

15mm/an

Mean elev. (basins)

630m

Watersheds crossing here

43 more basins

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

5,1%

Pesticides

0,0kg/km²

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