Ontologia

Governorate · SAU

Ahad Rifaydah

Saudi Arabia

BWhArid, desert, hot(89 %)

Species observed

189

Observations

2 669

Area

852,9km²

Ecological tissue

Sample of 26 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 Ahad Rifaydah : 23 espèces reliées par 29 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
29
Connectance
0.083
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

189 distinct species · 2 669 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 669 obs · 20 cellules
Obs. / cellule
≥ 1 397
493–1 396
85–492
23–84
< 23

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

Climate

Mean T°

18,7°C

Annual rain

317mm

Warmest m°

28,5°C

Coldest m°

8,4°C

Elevation: 2 134 m on average (min 1 070 m, max 2 521 m)

Bioclimatic detailsExpert
Annual mean temp.
18,7°C
Annual rain
317mm
Warmest month
28,5°C
Coldest month
8,4°C
Mean alt.
2 134m
Min
1 070m
Max
2 521m
Std. dev.
231m
Köppen-Geiger (dominant)
BWhArid, desert, hot(89 %)Arid

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

Soil & lithology

pH H₂O

8,1

Org. C

9,5g/kg

Clay

23,6%

Sand

49,6%

Silt

26,9%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
10,4g/kg
Clay
22,2%
Sand
50,4%
Silt
27,3%
5–15 cm
pH H₂O
8,1
Org. C
8,1g/kg
Clay
24,1%
Sand
49,5%
Silt
26,4%
15–30 cm
pH H₂O
8,1
Org. C
10,1g/kg
Clay
24,3%
Sand
48,8%
Silt
26,9%

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

Land cover

Forest1.8%
Crops3.6%
Built-up0.9%
Bare soil44.8%
Other (grassland, water…)48.9%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

108,4km

Basins crossed

4

Max stream order

3

Max drainage

1 637km²

Discharge in basins

0,4m³/s

Mean precip.

236mm/an

Mean T°

18,4°C

Moisture idx

-0,85

Mean runoff

34mm/an

Mean elev. (basins)

2 083m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

14,6nW

Built-up

92,1%

Pesticides

53,5kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN VI · 1🌊 Marine · 2

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