Commune · SDN
Nyalla South West
Sudan
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).
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).
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.
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 details19 BIO + Köppen full + altitude statsExpert
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 detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
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
Watersheds crossing here
- Bassin de Wadi Bulbulsub-area2 810,2 km²overlap1619.03 km²23%
- Basin #62090sub-area1 600,1 km²overlap954.75 km²14%
- Basin #58520sub-area776,4 km²overlap689.08 km²10%
- Bassin de Wadi Gendisub-area3 175,2 km²overlap655.75 km²9%
- Bassin de وادي برليsub-area706 km²overlap598.28 km²8%
- Bassin de Wadi Nyalasub-area642,5 km²overlap479.74 km²7%
- Basin #44840sub-area402,1 km²overlap390.12 km²6%
- Basin #62260sub-area640,2 km²overlap364.75 km²5%
- Basin #64760sub-area1 641,8 km²overlap287.25 km²4%
11 more basinssorted by overlap
- Basin #61720sub-area224,6 km²overlap174.54 km²2%
- Bassin de Wadi Simdusub-area818,6 km²overlap172.57 km²2%
- Basin #80830sub-area958,9 km²overlap171.39 km²2%
- Bassin de وادي برليsub-area583,6 km²overlap149.79 km²2%
- Bassin de Wadi ´Amersub-area2 480,8 km²overlap117.40 km²2%
- Basin #74810sub-area476,3 km²overlap101.07 km²1%
- Basin #67480sub-area208,7 km²overlap53.82 km²1%
- Basin #64770sub-area42,3 km²overlap29.59 km²0%
- Basin #62390sub-area12,9 km²overlap12.83 km²0%
- Basin #84000sub-area1 112,5 km²overlap9.26 km²0%
- Basin #64950sub-area1 223 km²overlap7.89 km²0%
Rivers / streams (14, ord ≥ 4)
- Wadi Bulbulord 3len here74.37 km81%total91 km
- Wadi Nyalaord 3len here68.60 km95%total72 km
- Wadi Simduord 3len here35.48 km64%total56 km
- وادي برليord 4len here29.06 km43%total67 km
- Wadi Sakaliord 1len here24.74 km100%total25 km
- Wadi Kabrioord 3len here24.71 km100%total25 km
- Wadi Subaghaord 2len here22.80 km100%total23 km
- Wadi Ardakuleiord 3len here21.56 km100%total22 km
- Wadi Hamza Bakhaiord 2len here20.84 km100%total21 km
- Wadi Ardakulaiord 3len here20.45 km63%total33 km
- Wadi Dambarord 2len here18.38 km100%total18 km
- Wadi Tikogoord 1len here14.81 km100%total15 km
2 more river segmentssorted by Strahler order + length
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.)