Ontologia

Commune · BEN

Bouka

Benin

AwTropical, savannah(100 %)

Species observed

275

Observations

1 310

Area

517km²

Ecological tissue

Sample of 14 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 Bouka : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 4 types (connectance 13.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
12
Connectance
0.132
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

275 distinct species · 1 310 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 310 obs · 17 cellules
Obs. / cellule
≥ 414
255–413
79–254
31–78
< 31

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

27,3°C

Annual rain

1 093mm

Warmest m°

37,7°C

Coldest m°

18,8°C

Elevation: 352 m on average (min 289 m, max 465 m)

Bioclimatic detailsExpert
Annual mean temp.
27,3°C
Annual rain
1 093mm
Warmest month
37,7°C
Coldest month
18,8°C
Mean alt.
352m
Min
289m
Max
465m
Std. dev.
31m
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

6,2

Org. C

9,1g/kg

Clay

19,1%

Sand

57,0%

Silt

23,9%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: mtGLiMaggregated to Kalalé

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
12,1g/kg
Clay
16,6%
Sand
59,0%
Silt
24,4%
5–15 cm
pH H₂O
6,2
Org. C
9,5g/kg
Clay
17,8%
Sand
57,8%
Silt
24,4%
15–30 cm
pH H₂O
6,2
Org. C
5,7g/kg
Clay
22,7%
Sand
54,3%
Silt
23,0%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest12.4%
Crops34.8%
Built-up0.5%
Bare soil0.5%
Other (grassland, water…)51.7%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology7 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

17,5km

Basins crossed

7

Max stream order

3

Max drainage

2 001km²

Discharge in basins

3,0m³/s

Mean precip.

1 121mm/an

Mean T°

26,6°C

Moisture idx

-0,42

Mean runoff

178mm/an

Mean elev. (basins)

345m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

53,9%

Pesticides

14,4kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)