Ontologia

District · SDN

Sheikan

Sudan

BWhArid, desert, hot(100 %)

Species observed

264

Observations

903

Area

19 709,9km²

Ecological tissue

Sample of 10 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 Sheikan : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 9 interactions GloBI documentées sur 2 types (connectance 20.0%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
10
Interactions affichées
9
Connectance
0.200
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

264 distinct species · 903 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

903 obs · 125 cellules
Obs. / cellule
≥ 114
20–113
4–19
2–3
< 2

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

Climate

Mean T°

27,7°C

Annual rain

211mm

Warmest m°

38,9°C

Coldest m°

14,1°C

Elevation: 495 m on average (min 395 m, max 631 m)

Bioclimatic detailsExpert
Annual mean temp.
27,7°C
Annual rain
211mm
Warmest month
38,9°C
Coldest month
14,1°C
Mean alt.
495m
Min
395m
Max
631m
Std. dev.
62m
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

7,7

Org. C

4,9g/kg

Clay

24,7%

Sand

49,6%

Silt

25,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
5,3g/kg
Clay
23,6%
Sand
50,6%
Silt
25,8%
5–15 cm
pH H₂O
7,7
Org. C
4,7g/kg
Clay
24,8%
Sand
49,5%
Silt
25,8%
15–30 cm
pH H₂O
7,8
Org. C
4,8g/kg
Clay
25,8%
Sand
48,6%
Silt
25,6%

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

Land cover

Forest3.0%
Crops20.5%
Built-up0.1%
Bare soil17.1%
Other (grassland, water…)59.4%

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

Hydrology45 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

114,3km

Basins crossed

45

Max stream order

6

Max drainage

20 733km²

Discharge in basins

25,2m³/s

Mean precip.

240mm/an

Mean T°

27,6°C

Moisture idx

-0,89

Mean runoff

12mm/an

Mean elev. (basins)

505m

Watersheds crossing here

36 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

11,6%

Pesticides

0,4kg/km²

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

Sub-administrations6