Ontologia

Commune · SDN

Atbai

Sudan

BWhArid, desert, hot(100 %)

Species observed

239

Observations

1 357

Area

36 045,1km²

Ecological tissue

Sample of 40 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 Atbai : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 4 types (connectance 5.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
40
Connectance
0.051
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

239 distinct species · 1 357 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 357 obs · 403 cellules
Obs. / cellule
≥ 39
5–38
2–4
1–1
< 1

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

Climate

Mean T°

26,3°C

Annual rain

19mm

Warmest m°

39,5°C

Coldest m°

11,2°C

Elevation: 454 m on average (min -41 m, max 1 821 m)

Bioclimatic detailsExpert
Annual mean temp.
26,3°C
Annual rain
19mm
Warmest month
39,5°C
Coldest month
11,2°C
Mean alt.
454m
Min
-41m
Max
1 821m
Std. dev.
253m
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

8,1

Org. C

4,7g/kg

Clay

17,7%

Sand

50,7%

Silt

31,6%

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

Dominant lithology: scGLiMaggregated to Halayeb

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
5,7g/kg
Clay
17,1%
Sand
51,1%
Silt
31,7%
5–15 cm
pH H₂O
8,1
Org. C
4,4g/kg
Clay
17,4%
Sand
50,7%
Silt
31,9%
15–30 cm
pH H₂O
8,1
Org. C
4,0g/kg
Clay
18,6%
Sand
50,2%
Silt
31,1%

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

Land cover

Forest0.0%
Crops0.6%
Built-up0.0%
Bare soil95.5%
Other (grassland, water…)3.9%

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

Hydrology74 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

262,2km

Lake surface here

3,61km²

Basins crossed

74

Max stream order

5

Max drainage

42 400km²

Discharge in basins

3,2m³/s

Mean precip.

22mm/an

Mean T°

24,3°C

Moisture idx

-0,99

Mean runoff

8mm/an

Mean elev. (basins)

452m

Watersheds crossing here

65 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,1%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN VI · 2🌊 Marine · 1📍 Point sites · 1

Elba

IUCN VI

Multiple Use Management Area · 1995

30 363 km²

Wadi Al Alaqi

IUCN VI

Multiple Use Management Area · 1996

22 631 km²

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