Ontologia

Commune · TCD

Bekan

Chad

AwTropical, savannah(100 %)

Species observed

46

Observations

76

Area

1 018,5km²

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 Bekan : 2 espèces reliées par 1 interaction GloBI 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

46 distinct species · 76 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

76 obs · 8 cellules
Obs. / cellule
≥ 27
27–26
11–26
10–10
< 10

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

Climate

Mean T°

27,1°C

Annual rain

1 173mm

Warmest m°

37,8°C

Coldest m°

19,2°C

Elevation: 460 m on average (min 414 m, max 544 m)

Bioclimatic detailsExpert
Annual mean temp.
27,1°C
Annual rain
1 173mm
Warmest month
37,8°C
Coldest month
19,2°C
Mean alt.
460m
Min
414m
Max
544m
Std. dev.
25m
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

6,3

Org. C

11,8g/kg

Clay

17,2%

Sand

62,1%

Silt

20,7%

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

Dominant lithology: ssGLiMaggregated to Nya Pendé

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
18,8g/kg
Clay
15,2%
Sand
63,9%
Silt
20,9%
5–15 cm
pH H₂O
6,2
Org. C
10,7g/kg
Clay
16,4%
Sand
62,8%
Silt
20,8%
15–30 cm
pH H₂O
6,2
Org. C
6,0g/kg
Clay
20,0%
Sand
59,6%
Silt
20,4%

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

Land cover

Forest23.5%
Crops18.4%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)58.0%

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

Hydrology6 basins · 1 lakes · 16 rivers

Hydrology metrics for this exact territory

Stream length here

150,8km

Lake surface here

0,11km²

Basins crossed

6

Max stream order

5

Max drainage

14 375km²

Discharge in basins

30,4m³/s

Mean precip.

1 189mm/an

Mean T°

26,5°C

Moisture idx

-0,40

Mean runoff

290mm/an

Mean elev. (basins)

484m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Built-up

10,8%

Pesticides

0,2kg/km²

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