Ontologia

Governorate · SAU

Al Majardah

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

28

Observations

44

Area

1 051,4km²

Ecological tissue

Sample of 9 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 Majardah : 8 espèces reliées par 9 interactions GloBI sur 2 types (connectance 25.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
9
Interactions affichées
9
Connectance
0.250
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

28 distinct species · 44 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

44 obs · 8 cellules
Obs. / cellule
≥ 29
29–28
3–28
2–2
< 2

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

Climate

Mean T°

27,8°C

Annual rain

470mm

Warmest m°

37,2°C

Coldest m°

17,6°C

Elevation: 647 m on average (min 141 m, max 2 368 m)

Bioclimatic detailsExpert
Annual mean temp.
27,8°C
Annual rain
470mm
Warmest month
37,2°C
Coldest month
17,6°C
Mean alt.
647m
Min
141m
Max
2 368m
Std. dev.
317m
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

7,9

Org. C

19,5g/kg

Clay

27,7%

Sand

40,3%

Silt

32,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
24,5g/kg
Clay
25,3%
Sand
42,1%
Silt
32,6%
5–15 cm
pH H₂O
7,9
Org. C
19,0g/kg
Clay
27,4%
Sand
40,5%
Silt
32,1%
15–30 cm
pH H₂O
7,9
Org. C
14,9g/kg
Clay
30,5%
Sand
38,4%
Silt
31,1%

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

Land cover

Forest2.9%
Crops5.9%
Built-up0.6%
Bare soil25.3%
Other (grassland, water…)65.4%

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

Hydrology8 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

183,9km

Basins crossed

8

Max stream order

4

Max drainage

2 544km²

Discharge in basins

7,4m³/s

Mean precip.

254mm/an

Mean T°

27,7°C

Moisture idx

-0,87

Mean runoff

70mm/an

Mean elev. (basins)

705m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

3,3nW

Built-up

57,6%

Pesticides

55,2kg/km²

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

Protected areas1

IUCN Not Reported · 1🌊 Marine · 1

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