Ontologia

Commune · BEN

Gnémasson

Benin

AwTropical, savannah(100 %)

Species observed

203

Observations

976

Area

465,4km²

Ecological tissue

Sample of 25 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 Gnémasson : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 21 interactions GloBI documentées sur 5 types (connectance 7.0%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
25
Interactions affichées
21
Connectance
0.070
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

203 distinct species · 976 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

976 obs · 15 cellules
Obs. / cellule
≥ 267
107–266
74–106
44–73
< 44

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

Climate

Mean T°

26,8°C

Annual rain

1 086mm

Warmest m°

37,3°C

Coldest m°

17,9°C

Elevation: 369 m on average (min 327 m, max 411 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
1 086mm
Warmest month
37,3°C
Coldest month
17,9°C
Mean alt.
369m
Min
327m
Max
411m
Std. dev.
18m
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

10,2g/kg

Clay

19,7%

Sand

56,2%

Silt

24,2%

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

Dominant lithology: mtGLiMaggregated to Péhunco

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
14,3g/kg
Clay
17,5%
Sand
57,5%
Silt
25,0%
5–15 cm
pH H₂O
6,1
Org. C
9,8g/kg
Clay
18,6%
Sand
57,2%
Silt
24,2%
15–30 cm
pH H₂O
6,0
Org. C
6,6g/kg
Clay
22,9%
Sand
53,8%
Silt
23,3%

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

Land cover

Forest16.5%
Crops25.3%
Built-up0.2%
Bare soil0.2%
Other (grassland, water…)57.9%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

35,1km

Basins crossed

3

Max stream order

4

Max drainage

2 781km²

Discharge in basins

3,8m³/s

Mean precip.

1 102mm/an

Mean T°

26,7°C

Moisture idx

-0,43

Mean runoff

219mm/an

Mean elev. (basins)

374m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

18,3%

Pesticides

14,1kg/km²

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

Protected areas2

IUCN Not Reported · 2

Atchérigbé

IUCN Not Reported

Classified Forest · 1942

126 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN