Ontologia

Department · TCD

Mandoul Occidental

Chad

AwTropical, savannah(100 %)

Species observed

70

Observations

201

Area

1 907,9km²

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 Mandoul Occidental : 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

70 distinct species · 201 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

201 obs · 19 cellules
Obs. / cellule
≥ 25
23–24
17–22
10–16
< 10

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

Climate

Mean T°

27,2°C

Annual rain

1 031mm

Warmest m°

38,0°C

Coldest m°

18,7°C

Elevation: 385 m on average (min 366 m, max 470 m)

Bioclimatic detailsExpert
Annual mean temp.
27,2°C
Annual rain
1 031mm
Warmest month
38,0°C
Coldest month
18,7°C
Mean alt.
385m
Min
366m
Max
470m
Std. dev.
17m
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

10,6g/kg

Clay

23,7%

Sand

52,2%

Silt

24,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
14,8g/kg
Clay
22,0%
Sand
53,7%
Silt
24,4%
5–15 cm
pH H₂O
6,3
Org. C
10,4g/kg
Clay
22,4%
Sand
53,2%
Silt
24,4%
15–30 cm
pH H₂O
6,3
Org. C
6,5g/kg
Clay
26,7%
Sand
49,9%
Silt
23,5%

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

Land cover

Forest11.4%
Crops31.0%
Built-up0.3%
Bare soil0.7%
Other (grassland, water…)56.6%

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

Hydrology10 basins · 0 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

197,8km

Basins crossed

10

Max stream order

4

Max drainage

4 719km²

Discharge in basins

20,5m³/s

Mean precip.

1 030mm/an

Mean T°

27,2°C

Moisture idx

-0,50

Mean runoff

171mm/an

Mean elev. (basins)

393m

Watersheds crossing here

1 more basins

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

Human pressure

Pop. density

1hab/km²

Built-up

32,9%

Pesticides

0,2kg/km²

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

Sub-administrations7