Ontologia

Commune · SDN

Umm Gerfa

Sudan

BWhArid, desert, hot(100 %)

Species observed

11

Observations

20

Area

2 181,9km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 6 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 Umm Gerfa : 6 espèces reliées par 4 interactions GloBI sur 1 type (connectance 26.7%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

11 distinct species · 20 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 obs · 10 cellules
Obs. / cellule
≥ 7
7–6
2–6
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°

28,0°C

Annual rain

172mm

Warmest m°

39,2°C

Coldest m°

14,2°C

Elevation: 468 m on average (min 420 m, max 536 m)

Bioclimatic detailsExpert
Annual mean temp.
28,0°C
Annual rain
172mm
Warmest month
39,2°C
Coldest month
14,2°C
Mean alt.
468m
Min
420m
Max
536m
Std. dev.
33m
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

7,8

Org. C

4,7g/kg

Clay

22,7%

Sand

51,6%

Silt

25,7%

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

Dominant lithology: suGLiMaggregated to Sheikan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
4,7g/kg
Clay
21,8%
Sand
52,4%
Silt
25,8%
5–15 cm
pH H₂O
7,8
Org. C
4,3g/kg
Clay
22,4%
Sand
51,6%
Silt
25,9%
15–30 cm
pH H₂O
7,9
Org. C
5,3g/kg
Clay
23,8%
Sand
50,9%
Silt
25,4%

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

Land cover

Forest1.9%
Crops24.1%
Built-up0.1%
Bare soil32.5%
Other (grassland, water…)41.4%

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

Hydrology12 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,6km

Basins crossed

12

Max stream order

1

Max drainage

8 416km²

Discharge in basins

7,1m³/s

Mean precip.

207mm/an

Mean T°

27,8°C

Moisture idx

-0,90

Mean runoff

22mm/an

Mean elev. (basins)

475m

Watersheds crossing here

3 more basins

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

Human pressure

Pop. density

0hab/km²

Built-up

9,6%

Pesticides

0,1kg/km²

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