Ontologia

Governorate · SAU

Al Udayd

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

411

Observations

23 012

Area

170 848,2km²

Ecological tissue

Sample of 16 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 Al Udayd : 13 espèces reliées par 20 interactions GloBI sur 2 types (connectance 16.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
20
Connectance
0.167
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

411 distinct species · 23 012 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

23 012 obs · 47 cellules
Obs. / cellule
≥ 21 643
34–21 642
7–33
2–6
< 2

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

28,5°C

Annual rain

47mm

Warmest m°

44,2°C

Coldest m°

11,0°C

Elevation: 109 m on average (min -55 m, max 276 m)

Bioclimatic detailsExpert
Annual mean temp.
28,5°C
Annual rain
47mm
Warmest month
44,2°C
Coldest month
11,0°C
Mean alt.
109m
Min
-55m
Max
276m
Std. dev.
38m
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

4,4g/kg

Clay

15,5%

Sand

54,6%

Silt

29,8%

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

Dominant lithology: evGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
4,8g/kg
Clay
15,3%
Sand
54,8%
Silt
29,8%
5–15 cm
pH H₂O
8,0
Org. C
4,2g/kg
Clay
15,5%
Sand
54,7%
Silt
29,8%
15–30 cm
pH H₂O
8,0
Org. C
4,2g/kg
Clay
15,8%
Sand
54,3%
Silt
29,8%

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

Land cover

Forest0.3%
Crops0.1%
Built-up0.0%
Bare soil98.0%
Other (grassland, water…)1.5%

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

Hydrology319 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

46,3km

Lake surface here

0,00km²

Basins crossed

319

Max stream order

5

Max drainage

210 105km²

Discharge in basins

49,3m³/s

Mean precip.

46mm/an

Mean T°

27,5°C

Moisture idx

-0,98

Mean runoff

4mm/an

Mean elev. (basins)

112m

Watersheds crossing here

310 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

0,3%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN Not Reported · 1🌊 Marine · 1

Khor Al Adaid

IUCN Not Reported

Biosphere Reserve · 2007

1 833 km²

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