Ontologia

Governorate · SAU

Rafha

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

194

Observations

1 355

Area

42 265,9km²

Ecological tissue

Sample of 23 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 Rafha : 18 espèces reliées par 24 interactions GloBI sur 2 types (connectance 9.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
24
Connectance
0.095
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

194 distinct species · 1 355 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 355 obs · 157 cellules
Obs. / cellule
≥ 123
22–122
5–21
2–4
< 2

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

Climate

Mean T°

23,4°C

Annual rain

102mm

Warmest m°

41,2°C

Coldest m°

4,0°C

Elevation: 496 m on average (min 299 m, max 727 m)

Bioclimatic detailsExpert
Annual mean temp.
23,4°C
Annual rain
102mm
Warmest month
41,2°C
Coldest month
4,0°C
Mean alt.
496m
Min
299m
Max
727m
Std. dev.
89m
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

33,9%

Sand

28,7%

Silt

37,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
4,8g/kg
Clay
33,3%
Sand
29,3%
Silt
37,4%
5–15 cm
pH H₂O
8,0
Org. C
4,3g/kg
Clay
33,9%
Sand
28,6%
Silt
37,5%
15–30 cm
pH H₂O
8,0
Org. C
2,8g/kg
Clay
34,4%
Sand
28,3%
Silt
37,3%

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

Land cover

Forest0.0%
Crops0.2%
Built-up0.0%
Bare soil98.2%
Other (grassland, water…)1.6%

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

Hydrology71 basins · 1 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

3 758,3km

Lake surface here

0,23km²

Basins crossed

71

Max stream order

4

Max drainage

4 623km²

Discharge in basins

3,8m³/s

Mean precip.

133mm/an

Mean T°

22,9°C

Moisture idx

-0,93

Mean runoff

14mm/an

Mean elev. (basins)

500m

Watersheds crossing here

62 more basins

Lakes (1, top by area)

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

0,2nW

Built-up

1,6%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN VI · 2

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