Ontologia

Governorate · SAU

Ar Rayth

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

520

Observations

1 205

Area

811,5km²

Ecological tissue

Sample of 35 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 Ar Rayth : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 7.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
48
Connectance
0.072
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

520 distinct species · 1 205 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 205 obs · 17 cellules
Obs. / cellule
≥ 368
210–367
62–209
41–61
< 41

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

Climate

Mean T°

25,6°C

Annual rain

410mm

Warmest m°

34,6°C

Coldest m°

15,6°C

Elevation: 918 m on average (min 218 m, max 2 014 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
410mm
Warmest month
34,6°C
Coldest month
15,6°C
Mean alt.
918m
Min
218m
Max
2 014m
Std. dev.
390m
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

11,4g/kg

Clay

20,3%

Sand

46,1%

Silt

33,6%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
14,0g/kg
Clay
18,2%
Sand
47,8%
Silt
33,9%
5–15 cm
pH H₂O
8,0
Org. C
10,2g/kg
Clay
20,2%
Sand
46,1%
Silt
33,7%
15–30 cm
pH H₂O
8,0
Org. C
10,1g/kg
Clay
22,5%
Sand
44,2%
Silt
33,3%

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

Land cover

Forest3.6%
Crops1.5%
Built-up0.1%
Bare soil32.5%
Other (grassland, water…)62.4%

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

Hydrology4 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

91,5km

Basins crossed

4

Max stream order

5

Max drainage

5 024km²

Discharge in basins

3,6m³/s

Mean precip.

166mm/an

Mean T°

25,8°C

Moisture idx

-0,91

Mean runoff

66mm/an

Mean elev. (basins)

855m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

1,2nW

Built-up

9,4%

Pesticides

0,6kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN VI · 1🌊 Marine · 2

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