Ontologia

Commune · SSD

Yei

South Sudan

AwTropical, savannah(100 %)

Species observed

215

Observations

398

Area

12 971,9km²

Ecological tissue

Sample of 36 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 Yei : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 5.2%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
33
Connectance
0.052
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

215 distinct species · 398 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

398 obs · 60 cellules
Obs. / cellule
≥ 99
9–98
4–8
2–3
< 2

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

Climate

Mean T°

24,4°C

Annual rain

1 438mm

Warmest m°

33,4°C

Coldest m°

18,7°C

Elevation: 869 m on average (min 669 m, max 1 373 m)

Bioclimatic detailsExpert
Annual mean temp.
24,4°C
Annual rain
1 438mm
Warmest month
33,4°C
Coldest month
18,7°C
Mean alt.
869m
Min
669m
Max
1 373m
Std. dev.
97m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

Soil & lithology

pH H₂O

5,8

Org. C

25,3g/kg

Clay

34,9%

Sand

42,0%

Silt

23,1%

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

Dominant lithology: mtGLiMaggregated to Nahr Yei

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
35,4g/kg
Clay
33,8%
Sand
42,8%
Silt
23,5%
5–15 cm
pH H₂O
5,8
Org. C
24,9g/kg
Clay
34,4%
Sand
42,4%
Silt
23,2%
15–30 cm
pH H₂O
5,8
Org. C
15,5g/kg
Clay
36,6%
Sand
40,7%
Silt
22,6%

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

Land cover

Forest42.5%
Crops1.1%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)56.3%

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

Hydrology36 basins · 0 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

449,2km

Basins crossed

36

Max stream order

5

Max drainage

471 540km²

Discharge in basins

476,7m³/s

Mean precip.

1 336mm/an

Mean T°

24,9°C

Moisture idx

-0,29

Mean runoff

205mm/an

Mean elev. (basins)

862m

Watersheds crossing here

27 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

4,8%

Pesticides

1,6kg/km²

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

Protected areas5

IUCN II · 2IUCN VI · 2IUCN Not Applicable · 1

Garamba

IUCN II

National Park · 1938

5 107 km²

Lantoto

IUCN II

National Park · 1986

1 547 km²

Mount Kei

IUCN VI

Wildlife Sanctuary · 1938

415 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN