Ontologia

Governorate · SAU

Al Madinah

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

904

Observations

5 116

Area

22 936,4km²

Ecological tissue

Sample of 27 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 Madinah : 22 espèces reliées par 33 interactions GloBI sur 3 types (connectance 9.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
33
Connectance
0.094
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

904 distinct species · 5 116 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 116 obs · 171 cellules
Obs. / cellule
≥ 746
21–745
5–20
1–4
< 1

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

Climate

Mean T°

26,3°C

Annual rain

95mm

Warmest m°

40,5°C

Coldest m°

8,4°C

Elevation: 856 m on average (min 337 m, max 2 044 m)

Bioclimatic detailsExpert
Annual mean temp.
26,3°C
Annual rain
95mm
Warmest month
40,5°C
Coldest month
8,4°C
Mean alt.
856m
Min
337m
Max
2 044m
Std. dev.
200m
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

3,6g/kg

Clay

19,8%

Sand

49,1%

Silt

31,1%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
4,3g/kg
Clay
19,0%
Sand
49,6%
Silt
31,4%
5–15 cm
pH H₂O
8,0
Org. C
3,3g/kg
Clay
20,5%
Sand
48,5%
Silt
31,0%
15–30 cm
pH H₂O
8,0
Org. C
3,0g/kg
Clay
19,9%
Sand
49,1%
Silt
31,0%

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

Land cover

Forest0.3%
Crops3.2%
Built-up0.3%
Bare soil79.9%
Other (grassland, water…)16.3%

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

Hydrology73 basins · 0 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

3 332,9km

Basins crossed

73

Max stream order

6

Max drainage

53 096km²

Discharge in basins

18,8m³/s

Mean precip.

67mm/an

Mean T°

25,4°C

Moisture idx

-0,97

Mean runoff

20mm/an

Mean elev. (basins)

857m

Watersheds crossing here

64 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

1hab/km²

Night light

2,5nW

Built-up

31,0%

Pesticides

51,2kg/km²

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

Protected areas4

IUCN II · 3IUCN V · 1

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