Ontologia

Commune · BEN

Birni

Benin

AwTropical, savannah(100 %)

Species observed

636

Observations

4 075

Area

451,8km²

Ecological tissue

Sample of 15 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 Birni : 15 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) + 0 bulles famille, 12 interactions GloBI documentées sur 2 types (connectance 11.4%, filtre Serrano α=0.2).

Espèces affichées
15
Interactions affichées
12
Connectance
0.114
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

636 distinct species · 4 075 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 075 obs · 24 cellules
Obs. / cellule
≥ 1 626
491–1 625
86–490
47–85
< 47

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

Climate

Mean T°

26,4°C

Annual rain

1 142mm

Warmest m°

36,6°C

Coldest m°

18,8°C

Elevation: 412 m on average (min 357 m, max 475 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
1 142mm
Warmest month
36,6°C
Coldest month
18,8°C
Mean alt.
412m
Min
357m
Max
475m
Std. dev.
23m
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

6,1

Org. C

10,4g/kg

Clay

19,9%

Sand

57,8%

Silt

22,3%

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

Dominant lithology: mtGLiMaggregated to Kouandé

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
14,4g/kg
Clay
17,3%
Sand
60,0%
Silt
22,7%
5–15 cm
pH H₂O
6,0
Org. C
10,2g/kg
Clay
18,4%
Sand
59,0%
Silt
22,6%
15–30 cm
pH H₂O
6,0
Org. C
6,6g/kg
Clay
23,9%
Sand
54,3%
Silt
21,7%

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

Land cover

Forest17.9%
Crops24.3%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)57.0%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

12,8km

Basins crossed

3

Max stream order

2

Max drainage

1 603km²

Discharge in basins

4,8m³/s

Mean precip.

1 151mm/an

Mean T°

26,5°C

Moisture idx

-0,40

Mean runoff

354mm/an

Mean elev. (basins)

414m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

35,5%

Pesticides

10,4kg/km²

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