Ontologia

Commune · BEN

Perma

Benin

AwTropical, savannah(100 %)

Species observed

826

Observations

5 148

Area

255,9km²

Ecological tissue

Sample of 2 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 Perma : 2 espèces + 0 bulles famille, 1 interaction GloBI documentées sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

826 distinct species · 5 148 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 148 obs · 16 cellules
Obs. / cellule
≥ 1 626
788–1 625
430–787
209–429
< 209

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 086mm

Warmest m°

36,5°C

Coldest m°

19,0°C

Elevation: 403 m on average (min 311 m, max 605 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
1 086mm
Warmest month
36,5°C
Coldest month
19,0°C
Mean alt.
403m
Min
311m
Max
605m
Std. dev.
77m
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

11,1g/kg

Clay

19,9%

Sand

57,5%

Silt

22,6%

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

Dominant lithology: mtGLiMaggregated to Natitingou

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
15,6g/kg
Clay
17,2%
Sand
59,9%
Silt
22,9%
5–15 cm
pH H₂O
6,1
Org. C
10,9g/kg
Clay
18,3%
Sand
58,8%
Silt
22,9%
15–30 cm
pH H₂O
6,1
Org. C
6,9g/kg
Clay
24,0%
Sand
53,9%
Silt
22,1%

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

Land cover

Forest20.5%
Crops18.4%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)60.3%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

17,3km

Basins crossed

1

Max stream order

4

Max drainage

1 603km²

Discharge in basins

3,2m³/s

Mean precip.

1 159mm/an

Mean T°

26,5°C

Moisture idx

-0,39

Mean runoff

396mm/an

Mean elev. (basins)

420m

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

47,5%

Pesticides

7,2kg/km²

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