Niger-Niandan-Milo
IUCN IVWetland of International Importance (Ramsar Site) · 2002
13 990 km²
Commune · GIN
Douako
Guinea
AwTropical, savannah(100 %)
Species observed
195
Observations
290
Area
2 862,9km²
Ecological tissue
Sample of 13 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 Douako : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 2 types (connectance 14.1%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
13
Interactions affichées
11
Connectance
0.141
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
195 distinct species · 290 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,0°C
Annual rain
1 772mm
Warmest m°
35,7°C
Coldest m°
19,0°C
Elevation: 472 m on average (min 386 m, max 619 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,0°C
Annual rain
1 772mm
Warmest month
35,7°C
Coldest month
19,0°C
Mean alt.
472m
Min
386m
Max
619m
Std. dev.
32m
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
5,4
Org. C
24,7g/kg
Clay
30,8%
Sand
41,1%
Silt
28,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Kouroussa
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
33,7g/kg
Clay
28,3%
Sand
42,6%
Silt
29,2%
5–15 cm
pH H₂O
5,4
Org. C
26,0g/kg
Clay
30,0%
Sand
41,7%
Silt
28,4%
15–30 cm
pH H₂O
5,4
Org. C
14,4g/kg
Clay
34,1%
Sand
39,2%
Silt
26,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest38.1%
Crops0.2%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)61.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 0 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
303,4km
Basins crossed
8
Max stream order
6
Max drainage
8 180km²
Discharge in basins
154,0m³/s
Mean precip.
1 709mm/an
Mean T°
25,5°C
Moisture idx
-0,21
Mean runoff
524mm/an
Mean elev. (basins)
478m
Watersheds crossing here
- Bassin de Mafousub-area2 534,4 km²overlap1312.31 km²46%
- Bassin de Mafousub-area387,5 km²overlap385.89 km²13%
- Bassin de Niandansub-area1 313,2 km²overlap341.22 km²12%
- Bassin de Niandansub-area823,7 km²overlap313.69 km²11%
- Bassin de Mafousub-area1 231,1 km²overlap219.47 km²8%
- Bassin de Mafousub-area410,4 km²overlap206.83 km²7%
- Bassin de Mafousub-area154,4 km²overlap66.55 km²2%
- Bassin de Mafousub-area436,2 km²overlap16.93 km²1%
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
3,9%
Pesticides
1,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN IV · 2IUCN Not Reported · 1📍 Point sites · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN