Ontologia

Governorate · SAU

Al Mahd

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

79

Observations

281

Area

24 025,6km²

Ecological tissue

Sample of 25 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 Mahd : 21 espèces reliées par 27 interactions GloBI sur 3 types (connectance 9.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
27
Connectance
0.090
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

79 distinct species · 281 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

281 obs · 65 cellules
Obs. / cellule
≥ 58
6–57
1–5
1–0
< 1

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

Climate

Mean T°

26,1°C

Annual rain

120mm

Warmest m°

40,0°C

Coldest m°

8,3°C

Elevation: 982 m on average (min 802 m, max 1 615 m)

Bioclimatic detailsExpert
Annual mean temp.
26,1°C
Annual rain
120mm
Warmest month
40,0°C
Coldest month
8,3°C
Mean alt.
982m
Min
802m
Max
1 615m
Std. dev.
103m
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

8,1

Org. C

3,2g/kg

Clay

20,1%

Sand

49,2%

Silt

30,8%

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
3,3g/kg
Clay
19,2%
Sand
49,9%
Silt
30,9%
5–15 cm
pH H₂O
8,1
Org. C
2,8g/kg
Clay
20,0%
Sand
49,1%
Silt
30,9%
15–30 cm
pH H₂O
8,1
Org. C
3,4g/kg
Clay
20,9%
Sand
48,5%
Silt
30,6%

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

Land cover

Forest0.1%
Crops0.6%
Built-up0.0%
Bare soil93.3%
Other (grassland, water…)6.0%

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

Hydrology49 basins · 0 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

3 374,0km

Basins crossed

49

Max stream order

5

Max drainage

14 509km²

Discharge in basins

0,5m³/s

Mean precip.

89mm/an

Mean T°

25,2°C

Moisture idx

-0,95

Mean runoff

10mm/an

Mean elev. (basins)

982m

Watersheds crossing here

40 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

0,2nW

Built-up

3,2%

Pesticides

43,7kg/km²

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

Protected areas1

IUCN II · 1

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