Ontologia

District · SDN

Ad Douiem

Sudan

BWhArid, desert, hot(100 %)

Species observed

272

Observations

648

Area

9 183,8km²

Ecological tissue

Sample of 13 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 Ad Douiem : 10 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 2 types (connectance 13.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
12
Connectance
0.132
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

272 distinct species · 648 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

648 obs · 48 cellules
Obs. / cellule
≥ 299
24–298
3–23
1–2
< 1

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

Climate

Mean T°

28,9°C

Annual rain

201mm

Warmest m°

39,9°C

Coldest m°

15,7°C

Elevation: 396 m on average (min 376 m, max 475 m)

Bioclimatic detailsExpert
Annual mean temp.
28,9°C
Annual rain
201mm
Warmest month
39,9°C
Coldest month
15,7°C
Mean alt.
396m
Min
376m
Max
475m
Std. dev.
12m
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

4,9g/kg

Clay

28,8%

Sand

44,7%

Silt

26,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
5,5g/kg
Clay
27,3%
Sand
46,1%
Silt
26,6%
5–15 cm
pH H₂O
7,8
Org. C
4,7g/kg
Clay
28,5%
Sand
44,9%
Silt
26,7%
15–30 cm
pH H₂O
7,9
Org. C
4,4g/kg
Clay
30,5%
Sand
43,2%
Silt
26,3%

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

Land cover

Forest3.1%
Crops26.9%
Built-up0.2%
Bare soil18.6%
Other (grassland, water…)51.2%

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

Hydrology33 basins · 3 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

229,4km

Lake surface here

459,56km²

Basins crossed

33

Max stream order

8

Max drainage

1 664 634km²

Discharge in basins

4 836,9m³/s

Mean precip.

234mm/an

Mean T°

28,6°C

Moisture idx

-0,89

Mean runoff

18mm/an

Mean elev. (basins)

404m

Watersheds crossing here

24 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

23,4%

Pesticides

0,4kg/km²

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

Protected areas1

IUCN Not Reported · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations8