Ontologia

District · SDN

Al Rahd

Sudan

BShArid, steppe, hot(90 %)

Species observed

50

Observations

1 848

Area

13 029km²

Ecological tissue

Sample of 11 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 Al Rahd : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 6 interactions GloBI sur 2 types (connectance 10.9%, filtre Serrano α=0.2).

Espèces affichées
11
Interactions affichées
6
Connectance
0.109
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

50 distinct species · 1 848 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 848 obs · 136 cellules
Obs. / cellule
≥ 97
6–96
2–5
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°

29,6°C

Annual rain

549mm

Warmest m°

41,0°C

Coldest m°

19,6°C

Elevation: 462 m on average (min 412 m, max 587 m)

Bioclimatic detailsExpert
Annual mean temp.
29,6°C
Annual rain
549mm
Warmest month
41,0°C
Coldest month
19,6°C
Mean alt.
462m
Min
412m
Max
587m
Std. dev.
31m
Köppen-Geiger (dominant)
BShArid, steppe, hot(90 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,4

Org. C

7,2g/kg

Clay

50,3%

Sand

18,1%

Silt

31,6%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
8,7g/kg
Clay
49,2%
Sand
18,8%
Silt
32,0%
5–15 cm
pH H₂O
7,3
Org. C
7,1g/kg
Clay
49,4%
Sand
18,4%
Silt
32,1%
15–30 cm
pH H₂O
7,5
Org. C
5,9g/kg
Clay
52,3%
Sand
17,1%
Silt
30,6%

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

Land cover

Forest1.9%
Crops53.0%
Built-up0.2%
Bare soil0.8%
Other (grassland, water…)44.1%

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

Hydrology38 basins · 5 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

15,9km

Lake surface here

0,93km²

Basins crossed

38

Max stream order

5

Max drainage

33 053km²

Discharge in basins

480,5m³/s

Mean precip.

575mm/an

Mean T°

28,7°C

Moisture idx

-0,74

Mean runoff

16mm/an

Mean elev. (basins)

467m

Watersheds crossing here

29 more basins

Lakes (5, 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

16,6%

Pesticides

2,5kg/km²

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

Protected areas1

IUCN II · 1

Dinder

IUCN II

National Park · 1935

8 400 km²

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

Sub-administrations4