Ontologia

Commune · SDN

Heiban

Sudan

BShArid, steppe, hot(62 %)

Species observed

75

Observations

143

Area

2 600km²

Ecological tissue

Sample of 26 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 Heiban : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 2 types (connectance 6.2%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
20
Connectance
0.061
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

75 distinct species · 143 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

143 obs · 18 cellules
Obs. / cellule
≥ 66
36–65
5–35
1–4
< 1

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

Climate

Mean T°

26,1°C

Annual rain

712mm

Warmest m°

37,2°C

Coldest m°

17,7°C

Elevation: 721 m on average (min 533 m, max 1 155 m)

Bioclimatic detailsExpert
Annual mean temp.
26,1°C
Annual rain
712mm
Warmest month
37,2°C
Coldest month
17,7°C
Mean alt.
721m
Min
533m
Max
1 155m
Std. dev.
118m
Köppen-Geiger (dominant)
BShArid, steppe, hot(62 %)Arid

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

Soil & lithology

pH H₂O

6,5

Org. C

11,1g/kg

Clay

35,4%

Sand

38,6%

Silt

26,0%

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

Dominant lithology: mtGLiMaggregated to Kadugli

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
14,9g/kg
Clay
33,2%
Sand
40,3%
Silt
26,5%
5–15 cm
pH H₂O
6,5
Org. C
10,8g/kg
Clay
34,5%
Sand
39,3%
Silt
26,2%
15–30 cm
pH H₂O
6,5
Org. C
7,5g/kg
Clay
38,3%
Sand
36,4%
Silt
25,2%

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

Land cover

Forest17.6%
Crops2.8%
Built-up0.1%
Bare soil0.2%
Other (grassland, water…)79.3%

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

Hydrology9 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

20,7km

Basins crossed

9

Max stream order

2

Max drainage

2 508km²

Discharge in basins

3,7m³/s

Mean precip.

734mm/an

Mean T°

26,6°C

Moisture idx

-0,63

Mean runoff

44mm/an

Mean elev. (basins)

645m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Built-up

5,4%

Pesticides

2,5kg/km²

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