Ndiael
IUCN IVWildlife Reserve
486 km²
Subdivision · SEN
Ronkh
Senegal
BWhArid, desert, hot(100 %)
Species observed
489
Observations
3 000
Area
673,2km²
Ecological tissue
Sample of 22 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 Ronkh : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
23
Interactions affichées
26
Connectance
0.103
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
489 distinct species · 3 000 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,9°C
Annual rain
239mm
Warmest m°
38,4°C
Coldest m°
17,1°C
Elevation: 2 m on average (min 1 m, max 11 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,9°C
Annual rain
239mm
Warmest month
38,4°C
Coldest month
17,1°C
Mean alt.
2m
Min
1m
Max
11m
Std. dev.
1m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,0
Org. C
10,5g/kg
Clay
23,1%
Sand
54,3%
Silt
22,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Dagana
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,0
Org. C
9,8g/kg
Clay
22,8%
Sand
54,5%
Silt
22,7%
5–15 cm
pH H₂O
7,0
Org. C
8,9g/kg
Clay
22,3%
Sand
54,9%
Silt
22,8%
15–30 cm
pH H₂O
7,0
Org. C
12,9g/kg
Clay
24,1%
Sand
53,4%
Silt
22,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.6%
Crops34.9%
Built-up0.5%
Bare soil11.3%
Other (grassland, water…)48.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 5 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
78,3km
Lake surface here
69,27km²
Basins crossed
7
Max stream order
7
Max drainage
439 803km²
Discharge in basins
162,0m³/s
Mean precip.
248mm/an
Mean T°
26,5°C
Moisture idx
-0,87
Mean runoff
7mm/an
Mean elev. (basins)
11m
Watersheds crossing here
- Bassin de Lampsarsub-area3 074,7 km²overlap326.83 km²49%
- Bassin de Sénégal السنغالsub-area522,7 km²overlap153.88 km²23%
- Bassin de Taoueysub-area850,3 km²overlap142.08 km²21%
- Bassin de Sénégal السنغالsub-area53,1 km²overlap22.42 km²3%
- Basin #68190sub-area933,1 km²overlap13.91 km²2%
- Bassin de Sénégal السنغالsub-area114,9 km²overlap12.59 km²2%
- Bassin du Goromsub-area435,4 km²overlap1.51 km²0%
Lakes (5, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,2nW
Built-up
49,9%
Pesticides
1,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN IV · 3📍 Point sites · 1
Réserve Spéciale de Faune de Ndiaël
IUCN IVWetland of International Importance (Ramsar Site) · 1977
262 km²
Tocc Tocc
IUCN IVCommunity Nature Reserve · 2011
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN