Ontologia

Commune · SDN

Nyalla North

Sudan

BShArid, steppe, hot(52 %)

Species observed

95

Observations

242

Area

7 758,7km²

Ecological tissue

Sample of 6 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 North : 6 espèces reliées par 3 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
3
Connectance
0.200
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

95 distinct species · 242 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

242 obs · 28 cellules
Obs. / cellule
≥ 130
7–129
3–6
2–2
< 2

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

Climate

Mean T°

25,6°C

Annual rain

373mm

Warmest m°

36,0°C

Coldest m°

13,8°C

Elevation: 897 m on average (min 587 m, max 2 613 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
373mm
Warmest month
36,0°C
Coldest month
13,8°C
Mean alt.
897m
Min
587m
Max
2 613m
Std. dev.
276m
Köppen-Geiger (dominant)
BShArid, steppe, hot(52 %)Arid

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

Soil & lithology

pH H₂O

7,3

Org. C

8,0g/kg

Clay

25,3%

Sand

50,7%

Silt

24,0%

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
7,2
Org. C
8,9g/kg
Clay
23,9%
Sand
52,0%
Silt
24,2%
5–15 cm
pH H₂O
7,2
Org. C
7,9g/kg
Clay
24,0%
Sand
51,6%
Silt
24,4%
15–30 cm
pH H₂O
7,3
Org. C
7,2g/kg
Clay
28,1%
Sand
48,5%
Silt
23,4%

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

Land cover

Forest4.6%
Crops13.1%
Built-up0.1%
Bare soil7.4%
Other (grassland, water…)74.9%

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

Hydrology15 basins · 0 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

579,9km

Basins crossed

15

Max stream order

4

Max drainage

5 374km²

Discharge in basins

3,5m³/s

Mean precip.

417mm/an

Mean T°

25,3°C

Moisture idx

-0,81

Mean runoff

15mm/an

Mean elev. (basins)

831m

Rivers / streams (17, ord ≥ 4)

5 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

6,3%

Pesticides

1,7kg/km²

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