Ontologia

Commune · TCD

Am-Timan

Chad

AwTropical, savannah(97 %)

Species observed

32

Observations

60

Area

367,5km²

Ecological tissue

Sample of 4 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 Am-Timan : 4 espèces reliées par 2 interactions GloBI sur 1 type (connectance 33.3%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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

32 distinct species · 60 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

60 obs · 4 cellules
Obs. / cellule
≥ 20
20–19
14–19
14–13
< 14

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

Climate

Mean T°

27,8°C

Annual rain

729mm

Warmest m°

39,4°C

Coldest m°

18,2°C

Elevation: 430 m on average (min 425 m, max 437 m)

Bioclimatic detailsExpert
Annual mean temp.
27,8°C
Annual rain
729mm
Warmest month
39,4°C
Coldest month
18,2°C
Mean alt.
430m
Min
425m
Max
437m
Std. dev.
2m
Köppen-Geiger (dominant)
AwTropical, savannah(97 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,4

Org. C

8,4g/kg

Clay

35,9%

Sand

31,3%

Silt

32,8%

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

Dominant lithology: mtGLiMaggregated to Barh Azoum

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
10,2g/kg
Clay
33,8%
Sand
32,6%
Silt
33,5%
5–15 cm
pH H₂O
6,4
Org. C
8,5g/kg
Clay
34,4%
Sand
32,2%
Silt
33,4%
15–30 cm
pH H₂O
6,5
Org. C
6,5g/kg
Clay
39,6%
Sand
29,0%
Silt
31,4%

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

Land cover

Forest8.2%
Crops20.1%
Built-up0.6%
Bare soil1.8%
Other (grassland, water…)69.4%

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

Hydrology5 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

4,6km

Basins crossed

5

Max stream order

3

Max drainage

94 192km²

Discharge in basins

14,5m³/s

Mean precip.

812mm/an

Mean T°

27,7°C

Moisture idx

-0,63

Mean runoff

21mm/an

Mean elev. (basins)

438m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

0,0nW

Built-up

56,1%

Pesticides

0,1kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN IV · 1

Aouk

IUCN Not Reported

Hunting reserve · 1963

28 560 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN