Ontologia

Department · TCD

Mandoul Oriental

Chad

AwTropical, savannah(100 %)

Species observed

250

Observations

1 039

Area

7 000,6km²

Ecological tissue

Sample of 35 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 Oriental : 28 espèces dont 5 patrimoniales (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 2 types (connectance 7.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
44
Connectance
0.074
Patrimoniales
5
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

250 distinct species · 1 039 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 039 obs · 54 cellules
Obs. / cellule
≥ 180
41–179
19–40
11–18
< 11

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 040mm

Warmest m°

38,2°C

Coldest m°

18,7°C

Elevation: 416 m on average (min 343 m, max 676 m)

Bioclimatic detailsExpert
Annual mean temp.
27,2°C
Annual rain
1 040mm
Warmest month
38,2°C
Coldest month
18,7°C
Mean alt.
416m
Min
343m
Max
676m
Std. dev.
66m
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

6,2

Org. C

11,6g/kg

Clay

26,0%

Sand

48,8%

Silt

25,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
16,1g/kg
Clay
23,5%
Sand
50,8%
Silt
25,7%
5–15 cm
pH H₂O
6,2
Org. C
12,1g/kg
Clay
24,1%
Sand
50,2%
Silt
25,6%
15–30 cm
pH H₂O
6,2
Org. C
6,5g/kg
Clay
30,2%
Sand
45,4%
Silt
24,4%

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

Land cover

Forest18.4%
Crops19.3%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)61.9%

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

Hydrology29 basins · 3 lakes · 14 rivers

Hydrology metrics for this exact territory

Stream length here

344,9km

Lake surface here

0,51km²

Basins crossed

29

Max stream order

6

Max drainage

469 020km²

Discharge in basins

421,1m³/s

Mean precip.

986mm/an

Mean T°

27,4°C

Moisture idx

-0,52

Mean runoff

154mm/an

Mean elev. (basins)

402m

Watersheds crossing here

20 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

14,5%

Pesticides

0,2kg/km²

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

Sub-administrations9