Nialama (or Nyalama)
IUCN Not ReportedClassified Forest
288 km²
Commune · GIN
Manda
Guinea
AwTropical, savannah(100 %)
Species observed
37
Observations
102
Area
66km²
Ecological tissue
Sample of 3 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 Manda : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).
Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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
37 distinct species · 102 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,4°C
Annual rain
1 862mm
Warmest m°
36,4°C
Coldest m°
18,0°C
Elevation: 382 m on average (min 187 m, max 731 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,4°C
Annual rain
1 862mm
Warmest month
36,4°C
Coldest month
18,0°C
Mean alt.
382m
Min
187m
Max
731m
Std. dev.
151m
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
5,6
Org. C
21,5g/kg
Clay
25,0%
Sand
39,8%
Silt
35,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Lélouma
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
28,8g/kg
Clay
24,5%
Sand
40,4%
Silt
35,0%
5–15 cm
pH H₂O
5,6
Org. C
22,9g/kg
Clay
23,9%
Sand
40,4%
Silt
35,8%
15–30 cm
pH H₂O
5,6
Org. C
12,9g/kg
Clay
26,6%
Sand
38,7%
Silt
34,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest35.0%
Crops3.0%
Built-up0.5%
Bare soil0.1%
Other (grassland, water…)61.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
23,2km
Basins crossed
2
Max stream order
4
Max drainage
2 075km²
Discharge in basins
4,3m³/s
Mean precip.
1 660mm/an
Mean T°
25,5°C
Moisture idx
-0,11
Mean runoff
450mm/an
Mean elev. (basins)
454m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
45,6%
Pesticides
1,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN