Department · TCD
Béré
Chad
Species observed
133
Observations
313
Area
1 233,5km²
Ecological tissue
Sample of 29 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).
Indicateurs du tissu écologique
Tissu écologique de Béré : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 4 types (connectance 5.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
133 distinct species · 313 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,6°C
Annual rain
973mm
Warmest m°
38,8°C
Coldest m°
17,8°C
Elevation: 367 m on average (min 351 m, max 404 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,2
Org. C
9,8g/kg
Clay
24,3%
Sand
49,1%
Silt
26,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 5 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
131,0km
Lake surface here
1,11km²
Basins crossed
4
Max stream order
5
Max drainage
58 634km²
Discharge in basins
118,0m³/s
Mean precip.
984mm/an
Mean T°
27,6°C
Moisture idx
-0,51
Mean runoff
498mm/an
Mean elev. (basins)
374m
Watersheds crossing here
Lakes (5, top by area)
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
59,7%
Pesticides
0,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)