Ontologia

Commune · BEN

Dèrassi

Benin

AwTropical, savannah(100 %)

Species observed

523

Observations

2 374

Area

694,3km²

Ecological tissue

Sample of 3 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 Dèrassi : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

523 distinct species · 2 374 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 374 obs · 12 cellules
Obs. / cellule
≥ 767
350–766
279–349
163–278
< 163

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

Climate

Mean T°

27,8°C

Annual rain

1 101mm

Warmest m°

38,0°C

Coldest m°

19,6°C

Elevation: 333 m on average (min 281 m, max 465 m)

Bioclimatic detailsExpert
Annual mean temp.
27,8°C
Annual rain
1 101mm
Warmest month
38,0°C
Coldest month
19,6°C
Mean alt.
333m
Min
281m
Max
465m
Std. dev.
30m
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

9,8g/kg

Clay

19,6%

Sand

57,9%

Silt

22,5%

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
6,2
Org. C
13,4g/kg
Clay
17,6%
Sand
59,3%
Silt
23,1%
5–15 cm
pH H₂O
6,1
Org. C
9,8g/kg
Clay
18,0%
Sand
59,3%
Silt
22,7%
15–30 cm
pH H₂O
6,1
Org. C
6,2g/kg
Clay
23,2%
Sand
55,3%
Silt
21,5%

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

Land cover

Forest19.2%
Crops21.8%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)58.8%

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

Hydrology8 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

63,1km

Basins crossed

8

Max stream order

4

Max drainage

2 540km²

Discharge in basins

10,3m³/s

Mean precip.

1 129mm/an

Mean T°

26,5°C

Moisture idx

-0,41

Mean runoff

201mm/an

Mean elev. (basins)

339m

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

20,3%

Pesticides

14,8kg/km²

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