Parc Naturel des Mangroves du Fleuve Cacheu (PNTC)
IUCN IVWetland of International Importance (Ramsar Site) · 2015
845 km²
Sector · GNB
Bigene
Guinea-Bissau
AwTropical, savannah(100 %)
Species observed
271
Observations
708
Area
983,2km²
Ecological tissue
Sample of 34 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 Bigene : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 4 types (connectance 5.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
34
Connectance
0.057
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
271 distinct species · 708 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,6°C
Annual rain
1 328mm
Warmest m°
37,4°C
Coldest m°
19,0°C
Elevation: 15 m on average (min 1 m, max 44 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,6°C
Annual rain
1 328mm
Warmest month
37,4°C
Coldest month
19,0°C
Mean alt.
15m
Min
1m
Max
44m
Std. dev.
12m
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
19,7g/kg
Clay
25,7%
Sand
47,8%
Silt
26,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
26,1g/kg
Clay
26,8%
Sand
46,8%
Silt
26,5%
5–15 cm
pH H₂O
5,4
Org. C
21,1g/kg
Clay
24,2%
Sand
49,0%
Silt
26,8%
15–30 cm
pH H₂O
5,3
Org. C
11,8g/kg
Clay
26,0%
Sand
47,6%
Silt
26,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.6%
Crops9.2%
Built-up0.3%
Bare soil1.7%
Other (grassland, water…)54.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
152,4km
Basins crossed
7
Max stream order
4
Max drainage
7 817km²
Discharge in basins
71,3m³/s
Mean precip.
1 400mm/an
Mean T°
26,6°C
Moisture idx
-0,24
Mean runoff
561mm/an
Mean elev. (basins)
19m
Watersheds crossing here
- Bassin de Rio Cacheusub-area1 307 km²overlap584.90 km²59%
- Bassin de Rio Cacheusub-area771 km²overlap306.26 km²31%
- Bassin de Casamancesub-area628,5 km²overlap50.97 km²5%
- Bassin de Rio Cacheusub-area273 km²overlap24.56 km²2%
- Bassin de Casamancesub-area222,2 km²overlap15.39 km²2%
- Bassin de Casamancesub-area374,1 km²overlap0.90 km²0%
- Bassin de Rio Cacheusub-area267,6 km²overlap0.19 km²0%
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
32,3%
Pesticides
1,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 3IUCN IV · 1🌊 Marine · 3
Rio Cacheu Mangroves
IUCN Not ReportedNatural Park · 2000
777 km²
Foret de Blaz
IUCN Not ReportedForest Reserve
39 km²
Foret de Mangaroungou
IUCN Not ReportedForest Reserve
10 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN