Ontologia

District · SDN

Omdurman

Sudan

BWhArid, desert, hot(100 %)

Species observed

167

Observations

439

Area

1 490,3km²

Ecological tissue

Sample of 28 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 Omdurman : 21 espèces reliées par 34 interactions GloBI sur 3 types (connectance 9.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
34
Connectance
0.090
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

167 distinct species · 439 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

439 obs · 20 cellules
Obs. / cellule
≥ 298
50–297
10–49
2–9
< 2

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

Climate

Mean T°

28,8°C

Annual rain

92mm

Warmest m°

39,9°C

Coldest m°

13,9°C

Elevation: 428 m on average (min 375 m, max 478 m)

Bioclimatic detailsExpert
Annual mean temp.
28,8°C
Annual rain
92mm
Warmest month
39,9°C
Coldest month
13,9°C
Mean alt.
428m
Min
375m
Max
478m
Std. dev.
23m
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

8,4

Org. C

3,1g/kg

Clay

30,0%

Sand

46,0%

Silt

24,0%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,4
Org. C
3,8g/kg
Clay
26,6%
Sand
49,2%
Silt
24,3%
5–15 cm
pH H₂O
8,5
Org. C
3,1g/kg
Clay
29,8%
Sand
46,1%
Silt
24,1%
15–30 cm
pH H₂O
8,5
Org. C
2,5g/kg
Clay
33,6%
Sand
42,8%
Silt
23,6%

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

Land cover

Forest0.6%
Crops1.1%
Built-up4.6%
Bare soil76.5%
Other (grassland, water…)17.2%

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

Hydrology5 basins · 0 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

123,4km

Basins crossed

5

Max stream order

3

Max drainage

1 980 822km²

Discharge in basins

1 913,5m³/s

Mean precip.

112mm/an

Mean T°

28,7°C

Moisture idx

-0,95

Mean runoff

23mm/an

Mean elev. (basins)

418m

Watersheds crossing here

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

Human pressure

Pop. density

13hab/km²

Night light

3,0nW

Built-up

459,2%

Pesticides

0,0kg/km²

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

Sub-administrations1