Ontologia

Province · sau

Al Qassim

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

327

Observations

1 602

Area

67 568,4km²

Ecological tissue

Sample of 26 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 Qassim : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
40
Connectance
0.123
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

327 distinct species · 1 602 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 602 obs · 35 cellules
Obs. / cellule
≥ 554
156–553
32–155
10–31
< 10

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

Climate

Mean T°

25,0°C

Annual rain

148mm

Warmest m°

41,1°C

Coldest m°

5,5°C

Elevation: 744 m on average (min 445 m, max 1 214 m)

Bioclimatic detailsExpert
Annual mean temp.
25,0°C
Annual rain
148mm
Warmest month
41,1°C
Coldest month
5,5°C
Mean alt.
744m
Min
445m
Max
1 214m
Std. dev.
132m
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

3,4g/kg

Clay

26,7%

Sand

37,7%

Silt

35,6%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
4,1g/kg
Clay
25,8%
Sand
38,5%
Silt
35,7%
5–15 cm
pH H₂O
8,0
Org. C
3,1g/kg
Clay
26,7%
Sand
37,5%
Silt
35,8%
15–30 cm
pH H₂O
8,0
Org. C
3,0g/kg
Clay
27,5%
Sand
37,2%
Silt
35,3%

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

Land cover

Forest0.4%
Crops3.2%
Built-up0.2%
Bare soil93.1%
Other (grassland, water…)3.1%

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

Hydrology157 basins · 0 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

5 188,6km

Basins crossed

157

Max stream order

7

Max drainage

91 073km²

Discharge in basins

3 281,4m³/s

Mean precip.

171mm/an

Mean T°

23,8°C

Moisture idx

-0,91

Mean runoff

30mm/an

Mean elev. (basins)

750m

Watersheds crossing here

148 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

1,7nW

Built-up

20,8%

Pesticides

15,2kg/km²

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

Protected areas9

IUCN II · 6IUCN VI · 3
Complete list

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

Sub-administrations12