Ontologia

Governorate · SAU

Marat

Saudi Arabia

BWhArid, desert, hot(100 %)

Species observed

28

Observations

32

Area

3 949,5km²

Ecological tissue

Sample of 3 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 Marat : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

28 distinct species · 32 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

32 obs · 10 cellules
Obs. / cellule
≥ 18
18–17
2–17
2–1
< 2

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

Climate

Mean T°

25,4°C

Annual rain

155mm

Warmest m°

41,3°C

Coldest m°

6,5°C

Elevation: 732 m on average (min 655 m, max 803 m)

Bioclimatic detailsExpert
Annual mean temp.
25,4°C
Annual rain
155mm
Warmest month
41,3°C
Coldest month
6,5°C
Mean alt.
732m
Min
655m
Max
803m
Std. dev.
30m
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

3,5g/kg

Clay

25,2%

Sand

42,1%

Silt

32,7%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
4,0g/kg
Clay
23,8%
Sand
43,1%
Silt
33,1%
5–15 cm
pH H₂O
8,0
Org. C
3,1g/kg
Clay
25,1%
Sand
42,1%
Silt
32,8%
15–30 cm
pH H₂O
8,0
Org. C
3,2g/kg
Clay
26,7%
Sand
41,1%
Silt
32,2%

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

Land cover

Forest0.1%
Crops1.0%
Built-up0.1%
Bare soil97.1%
Other (grassland, water…)1.7%

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

Hydrology12 basins · 0 lakes · 25 rivers

Hydrology metrics for this exact territory

Stream length here

222,3km

Basins crossed

12

Max stream order

3

Max drainage

8 423km²

Discharge in basins

0,0m³/s

Mean precip.

146mm/an

Mean T°

24,6°C

Moisture idx

-0,93

Mean runoff

6mm/an

Mean elev. (basins)

735m

Rivers / streams (25, ord ≥ 4)

13 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

7,6%

Pesticides

1,2kg/km²

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