Ontologia

District · SDN

Nyala

Sudan

BShArid, steppe, hot(75 %)

Species observed

181

Observations

425

Area

14 797,4km²

Ecological tissue

Sample of 34 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 Nyala : 26 espèces reliées par 39 interactions GloBI sur 4 types (connectance 6.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
39
Connectance
0.066
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

181 distinct species · 425 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

425 obs · 51 cellules
Obs. / cellule
≥ 130
7–129
2–6
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°

26,2°C

Annual rain

396mm

Warmest m°

36,9°C

Coldest m°

14,9°C

Elevation: 771 m on average (min 466 m, max 2 613 m)

Bioclimatic detailsExpert
Annual mean temp.
26,2°C
Annual rain
396mm
Warmest month
36,9°C
Coldest month
14,9°C
Mean alt.
771m
Min
466m
Max
2 613m
Std. dev.
255m
Köppen-Geiger (dominant)
BShArid, steppe, hot(75 %)Arid

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

Soil & lithology

pH H₂O

7,2

Org. C

7,4g/kg

Clay

25,2%

Sand

53,4%

Silt

21,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
8,5g/kg
Clay
24,0%
Sand
54,4%
Silt
21,6%
5–15 cm
pH H₂O
7,1
Org. C
7,2g/kg
Clay
23,4%
Sand
54,8%
Silt
21,8%
15–30 cm
pH H₂O
7,2
Org. C
6,5g/kg
Clay
28,2%
Sand
50,9%
Silt
20,8%

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

Land cover

Forest4.6%
Crops21.0%
Built-up0.2%
Bare soil4.7%
Other (grassland, water…)69.6%

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

Hydrology30 basins · 0 lakes · 29 rivers

Hydrology metrics for this exact territory

Stream length here

968,6km

Basins crossed

30

Max stream order

4

Max drainage

46 928km²

Discharge in basins

18,1m³/s

Mean precip.

446mm/an

Mean T°

25,8°C

Moisture idx

-0,80

Mean runoff

16mm/an

Mean elev. (basins)

761m

Watersheds crossing here

21 more basins

Rivers / streams (29, ord ≥ 4)

17 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

22,4%

Pesticides

1,9kg/km²

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

Sub-administrations2