Ontologia

Governorate · SAU

Balqarn

Saudi Arabia

BWhArid, desert, hot(99 %)

Species observed

163

Observations

935

Area

1 971km²

Ecological tissue

Sample of 36 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 Balqarn : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
45
Connectance
0.071
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

163 distinct species · 935 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

935 obs · 33 cellules
Obs. / cellule
≥ 369
74–368
11–73
3–10
< 3

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

Climate

Mean T°

21,5°C

Annual rain

363mm

Warmest m°

32,4°C

Coldest m°

9,3°C

Elevation: 1 731 m on average (min 617 m, max 2 325 m)

Bioclimatic detailsExpert
Annual mean temp.
21,5°C
Annual rain
363mm
Warmest month
32,4°C
Coldest month
9,3°C
Mean alt.
1 731m
Min
617m
Max
2 325m
Std. dev.
323m
Köppen-Geiger (dominant)
BWhArid, desert, hot(99 %)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

13,9g/kg

Clay

25,3%

Sand

47,9%

Silt

26,8%

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
16,5g/kg
Clay
23,8%
Sand
48,8%
Silt
27,4%
5–15 cm
pH H₂O
7,9
Org. C
12,9g/kg
Clay
25,2%
Sand
47,9%
Silt
27,0%
15–30 cm
pH H₂O
7,9
Org. C
12,3g/kg
Clay
26,9%
Sand
47,0%
Silt
26,1%

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

Land cover

Forest2.6%
Crops2.3%
Built-up0.6%
Bare soil46.1%
Other (grassland, water…)48.3%

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

Hydrology8 basins · 0 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

235,8km

Basins crossed

8

Max stream order

3

Max drainage

3 452km²

Discharge in basins

1,5m³/s

Mean precip.

197mm/an

Mean T°

23,2°C

Moisture idx

-0,89

Mean runoff

30mm/an

Mean elev. (basins)

1 449m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

5,2nW

Built-up

60,6%

Pesticides

49,3kg/km²

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