Ontologia

Commune · SDN

Silel Ah

Sudan

BWhArid, desert, hot(60 %)

Species observed

9

Observations

92

Area

7 495,7km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

9 distinct species · 92 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

92 obs · 22 cellules
Obs. / cellule
≥ 49
5–48
2–4
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°

24,8°C

Annual rain

335mm

Warmest m°

36,7°C

Coldest m°

10,8°C

Elevation: 909 m on average (min 778 m, max 1 153 m)

Bioclimatic detailsExpert
Annual mean temp.
24,8°C
Annual rain
335mm
Warmest month
36,7°C
Coldest month
10,8°C
Mean alt.
909m
Min
778m
Max
1 153m
Std. dev.
57m
Köppen-Geiger (dominant)
BWhArid, desert, hot(60 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,4

Org. C

6,8g/kg

Clay

23,1%

Sand

54,1%

Silt

22,8%

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

Dominant lithology: suGLiMaggregated to Al Geneina

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
7,2g/kg
Clay
21,6%
Sand
55,7%
Silt
22,7%
5–15 cm
pH H₂O
7,4
Org. C
6,4g/kg
Clay
23,3%
Sand
54,3%
Silt
22,4%
15–30 cm
pH H₂O
7,5
Org. C
6,8g/kg
Clay
24,6%
Sand
52,3%
Silt
23,2%

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

Land cover

Forest3.1%
Crops19.5%
Built-up0.0%
Bare soil6.4%
Other (grassland, water…)71.0%

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

Hydrology28 basins · 0 lakes · 20 rivers

Hydrology metrics for this exact territory

Stream length here

398,1km

Basins crossed

28

Max stream order

6

Max drainage

31 172km²

Discharge in basins

16,3m³/s

Mean precip.

374mm/an

Mean T°

25,2°C

Moisture idx

-0,82

Mean runoff

12mm/an

Mean elev. (basins)

918m

Watersheds crossing here

19 more basins

Rivers / streams (20, ord ≥ 4)

8 more river segments

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

Human pressure

Pop. density

0hab/km²

Built-up

3,9%

Pesticides

1,2kg/km²

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