Niger-Niandan-Milo
IUCN IVWetland of International Importance (Ramsar Site) · 2002
13 990 km²
Commune · GIN
Koumana
Guinea
AwTropical, savannah(100 %)
Species observed
26
Observations
72
Area
442,1km²
Ecological tissue
Sample of 10 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 Koumana : 10 espèces reliées par 6 interactions GloBI sur 3 types (connectance 13.3%, filtre Serrano α=0.2).
Espèces affichées
10
Interactions affichées
6
Connectance
0.133
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
26 distinct species · 72 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 381mm
Warmest m°
37,0°C
Coldest m°
17,7°C
Elevation: 402 m on average (min 357 m, max 578 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 381mm
Warmest month
37,0°C
Coldest month
17,7°C
Mean alt.
402m
Min
357m
Max
578m
Std. dev.
29m
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
5,7
Org. C
16,1g/kg
Clay
29,8%
Sand
41,4%
Silt
28,8%
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
5,7
Org. C
22,2g/kg
Clay
26,7%
Sand
43,4%
Silt
29,9%
5–15 cm
pH H₂O
5,7
Org. C
17,0g/kg
Clay
29,1%
Sand
41,7%
Silt
29,2%
15–30 cm
pH H₂O
5,7
Org. C
9,0g/kg
Clay
33,4%
Sand
39,2%
Silt
27,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.4%
Crops5.7%
Built-up0.1%
Bare soil0.4%
Other (grassland, water…)69.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 0 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
72,4km
Basins crossed
7
Max stream order
6
Max drainage
32 190km²
Discharge in basins
334,8m³/s
Mean precip.
1 471mm/an
Mean T°
25,9°C
Moisture idx
-0,29
Mean runoff
362mm/an
Mean elev. (basins)
412m
Watersheds crossing here
- Bassin de maninkösub-area411 km²overlap228.20 km²52%
- Bassin du Nigersub-area625,8 km²overlap151.92 km²34%
- Bassin du Nigersub-area320,9 km²overlap44.03 km²10%
- Bassin de Niandansub-area740,9 km²overlap14.42 km²3%
- Bassin de Niandansub-area8,1 km²overlap3.30 km²1%
- Bassin du Nigersub-area765,6 km²overlap0.12 km²0%
- Bassin du Nigersub-area1 727,4 km²overlap0.11 km²0%
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
9,2%
Pesticides
0,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN IV · 1IUCN Not Reported · 1
Baro
IUCN Not ReportedClassified Forest · 1943
354 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN