Ontologia

Commune · SDN

Nyalla South West

Sudan

BShArid, steppe, hot(100 %)

Species observed

89

Observations

183

Area

7 038,6km²

Ecological tissue

Sample of 23 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 Nyalla South West : 17 espèces reliées par 27 interactions GloBI sur 3 types (connectance 9.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
27
Connectance
0.098
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

89 distinct species · 183 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

183 obs · 23 cellules
Obs. / cellule
≥ 83
21–82
2–20
2–1
< 2

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

Climate

Mean T°

27,0°C

Annual rain

421mm

Warmest m°

37,9°C

Coldest m°

16,2°C

Elevation: 632 m on average (min 466 m, max 916 m)

Bioclimatic detailsExpert
Annual mean temp.
27,0°C
Annual rain
421mm
Warmest month
37,9°C
Coldest month
16,2°C
Mean alt.
632m
Min
466m
Max
916m
Std. dev.
128m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Soil & lithology

pH H₂O

7,1

Org. C

6,8g/kg

Clay

25,1%

Sand

56,4%

Silt

18,6%

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

Dominant lithology: suGLiMaggregated to Nyala

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
8,2g/kg
Clay
24,1%
Sand
57,2%
Silt
18,7%
5–15 cm
pH H₂O
7,0
Org. C
6,4g/kg
Clay
22,7%
Sand
58,3%
Silt
19,0%
15–30 cm
pH H₂O
7,2
Org. C
5,8g/kg
Clay
28,4%
Sand
53,6%
Silt
18,0%

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

Land cover

Forest4.5%
Crops29.7%
Built-up0.4%
Bare soil1.7%
Other (grassland, water…)63.7%

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

Hydrology20 basins · 0 lakes · 14 rivers

Hydrology metrics for this exact territory

Stream length here

388,8km

Basins crossed

20

Max stream order

4

Max drainage

46 928km²

Discharge in basins

14,6m³/s

Mean precip.

478mm/an

Mean T°

26,3°C

Moisture idx

-0,79

Mean runoff

17mm/an

Mean elev. (basins)

685m

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

40,2%

Pesticides

2,0kg/km²

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