Ontologia

Department · TCD

Tandjilé Est

Chad

AwTropical, savannah(100 %)

Species observed

140

Observations

667

Area

12 483,6km²

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 Tandjilé Est : 1 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

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

140 distinct species · 667 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

667 obs · 101 cellules
Obs. / cellule
≥ 28
16–27
9–15
3–8
< 3

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

Climate

Mean T°

27,9°C

Annual rain

947mm

Warmest m°

39,3°C

Coldest m°

18,5°C

Elevation: 353 m on average (min 331 m, max 519 m)

Bioclimatic detailsExpert
Annual mean temp.
27,9°C
Annual rain
947mm
Warmest month
39,3°C
Coldest month
18,5°C
Mean alt.
353m
Min
331m
Max
519m
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

6,2

Org. C

9,6g/kg

Clay

27,3%

Sand

41,8%

Silt

30,9%

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
12,7g/kg
Clay
25,2%
Sand
43,4%
Silt
31,5%
5–15 cm
pH H₂O
6,2
Org. C
10,3g/kg
Clay
25,6%
Sand
43,0%
Silt
31,4%
15–30 cm
pH H₂O
6,2
Org. C
5,8g/kg
Clay
31,1%
Sand
39,0%
Silt
29,9%

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

Land cover

Forest12.5%
Crops15.0%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)72.2%

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

Hydrology32 basins · 5 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

897,0km

Lake surface here

0,62km²

Basins crossed

32

Max stream order

6

Max drainage

58 634km²

Discharge in basins

441,4m³/s

Mean precip.

949mm/an

Mean T°

27,8°C

Moisture idx

-0,54

Mean runoff

225mm/an

Mean elev. (basins)

355m

Watersheds crossing here

23 more basins

Lakes (5, top by area)

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

8,2%

Pesticides

0,1kg/km²

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

Sub-administrations17