Ontologia

Governorate · SAU

Unaizah

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

88

Observations

208

Area

1 898,3km²

Ecological tissue

Sample of 31 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 Unaizah : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 7.3%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
34
Connectance
0.073
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

88 distinct species · 208 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

208 obs · 15 cellules
Obs. / cellule
≥ 127
29–126
10–28
2–9
< 2

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

Climate

Mean T°

25,2°C

Annual rain

163mm

Warmest m°

41,6°C

Coldest m°

5,9°C

Elevation: 679 m on average (min 588 m, max 749 m)

Bioclimatic detailsExpert
Annual mean temp.
25,2°C
Annual rain
163mm
Warmest month
41,6°C
Coldest month
5,9°C
Mean alt.
679m
Min
588m
Max
749m
Std. dev.
44m
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

3,2g/kg

Clay

27,8%

Sand

38,1%

Silt

34,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
3,7g/kg
Clay
26,0%
Sand
40,1%
Silt
34,0%
5–15 cm
pH H₂O
8,0
Org. C
2,8g/kg
Clay
27,5%
Sand
37,9%
Silt
34,6%
15–30 cm
pH H₂O
8,0
Org. C
3,0g/kg
Clay
30,0%
Sand
36,3%
Silt
33,7%

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

Land cover

Forest1.1%
Crops3.8%
Built-up1.1%
Bare soil86.9%
Other (grassland, water…)7.0%

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

Hydrology12 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

134,3km

Basins crossed

12

Max stream order

7

Max drainage

83 694km²

Discharge in basins

378,9m³/s

Mean precip.

197mm/an

Mean T°

24,1°C

Moisture idx

-0,90

Mean runoff

16mm/an

Mean elev. (basins)

680m

Watersheds crossing here

3 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

7,3nW

Built-up

107,7%

Pesticides

20,9kg/km²

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

Protected areas1

IUCN VI · 1

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