Ontologia

Province · sau

Jizan

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

1 308

Observations

41 606

Area

13 011km²

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 Jizan : 18 espèces reliées par 51 interactions GloBI sur 2 types (connectance 15.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
51
Connectance
0.157
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

1 308 distinct species · 41 606 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

41 606 obs · 233 cellules
Obs. / cellule
≥ 2 220
379–2 219
48–378
9–47
< 9

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

Climate

Mean T°

29,0°C

Annual rain

320mm

Warmest m°

36,8°C

Coldest m°

20,2°C

Elevation: 276 m on average (min -104 m, max 2 258 m)

Bioclimatic detailsExpert
Annual mean temp.
29,0°C
Annual rain
320mm
Warmest month
36,8°C
Coldest month
20,2°C
Mean alt.
276m
Min
-104m
Max
2 258m
Std. dev.
410m
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

11,1g/kg

Clay

21,2%

Sand

45,7%

Silt

33,1%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
11,5g/kg
Clay
20,2%
Sand
46,7%
Silt
33,1%
5–15 cm
pH H₂O
8,0
Org. C
10,5g/kg
Clay
21,6%
Sand
45,4%
Silt
33,0%
15–30 cm
pH H₂O
8,0
Org. C
11,3g/kg
Clay
21,9%
Sand
44,9%
Silt
33,2%

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

Land cover

Forest2.2%
Crops10.6%
Built-up0.6%
Bare soil43.4%
Other (grassland, water…)43.2%

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

Hydrology31 basins · 2 lakes · 65 rivers

Hydrology metrics for this exact territory

Stream length here

1 794,6km

Lake surface here

2,56km²

Basins crossed

31

Max stream order

5

Max drainage

6 259km²

Discharge in basins

27,5m³/s

Mean precip.

134mm/an

Mean T°

28,0°C

Moisture idx

-0,92

Mean runoff

44mm/an

Mean elev. (basins)

424m

Watersheds crossing here

22 more basins

Lakes (2, top by area)

Rivers / streams (65, ord ≥ 4)

53 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

6,9nW

Built-up

61,0%

Pesticides

14,0kg/km²

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

Protected areas5

IUCN II · 2IUCN Not Reported · 1IUCN VI · 1IUCN Not Applicable · 1🌊 Marine · 3

Juzur Farasan

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1996

5 787 km²

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

Sub-administrations17