Ontologia

Commune · TCD

Gadjibian

Chad

AwTropical, savannah(100 %)

Species observed

71

Observations

223

Area

1 194,5km²

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 Gadjibian : 3 espèces reliées par 2 interactions GloBI sur 2 types (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

71 distinct species · 223 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

223 obs · 13 cellules
Obs. / cellule
≥ 48
28–47
20–27
15–19
< 15

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 217mm

Warmest m°

37,5°C

Coldest m°

18,3°C

Elevation: 507 m on average (min 427 m, max 598 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
1 217mm
Warmest month
37,5°C
Coldest month
18,3°C
Mean alt.
507m
Min
427m
Max
598m
Std. dev.
39m
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

12,4g/kg

Clay

20,7%

Sand

57,1%

Silt

22,2%

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

Dominant lithology: ssGLiMaggregated to Monts de Lam

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
18,7g/kg
Clay
20,3%
Sand
57,6%
Silt
22,1%
5–15 cm
pH H₂O
6,1
Org. C
12,0g/kg
Clay
21,0%
Sand
56,8%
Silt
22,2%
15–30 cm
pH H₂O
6,1
Org. C
6,5g/kg
Clay
20,8%
Sand
56,7%
Silt
22,5%

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

Land cover

Forest20.0%
Crops26.8%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)53.1%

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

Hydrology4 basins · 0 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

102,4km

Basins crossed

4

Max stream order

3

Max drainage

28 814km²

Discharge in basins

80,3m³/s

Mean precip.

1 202mm/an

Mean T°

26,5°C

Moisture idx

-0,39

Mean runoff

343mm/an

Mean elev. (basins)

490m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

8,4%

Pesticides

0,2kg/km²

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