Bolama - Bijagos
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1996
10 475 km²
Sector · GNB
Bolama
Guinea-Bissau
AwTropical, savannah(100 %)
Species observed
31
Observations
47
Area
142,5km²
Ecological tissue
Sample of 4 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 Bolama : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).
Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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
31 distinct species · 47 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 805mm
Warmest m°
30,4°C
Coldest m°
22,3°C
Elevation: 7 m on average (min -27 m, max 14 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 805mm
Warmest month
30,4°C
Coldest month
22,3°C
Mean alt.
7m
Min
-27m
Max
14m
Std. dev.
6m
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
42,5g/kg
Clay
32,3%
Sand
43,3%
Silt
24,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
52,3g/kg
Clay
32,5%
Sand
42,0%
Silt
25,5%
5–15 cm
pH H₂O
5,4
Org. C
40,7g/kg
Clay
32,9%
Sand
43,0%
Silt
24,1%
15–30 cm
pH H₂O
5,3
Org. C
34,7g/kg
Clay
31,5%
Sand
44,8%
Silt
23,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest44.2%
Crops1.4%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)54.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
2,4km
Basins crossed
1
Max stream order
1
Max drainage
3 403km²
Discharge in basins
0,7m³/s
Mean precip.
2 245mm/an
Mean T°
26,3°C
Moisture idx
0,28
Mean runoff
1 004mm/an
Mean elev. (basins)
14m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
27,4%
Pesticides
1,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 1IUCN Not Reported · 1🌊 Marine · 2
Rio Grande de Buba
IUCN Not ReportedZone de pêche réservée · 2015
1 149 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN