Ontologia

Commune · TCD

Koumi

Chad

BShArid, steppe, hot(100 %)

Species observed

98

Observations

391

Area

580km²

Ecological tissue

Sample of 15 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 Koumi : 12 espèces reliées par 19 interactions GloBI sur 1 type (connectance 15.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
19
Connectance
0.158
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

98 distinct species · 391 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

391 obs · 7 cellules
Obs. / cellule
≥ 220
220–219
38–219
32–37
< 32

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

Climate

Mean T°

28,5°C

Annual rain

713mm

Warmest m°

40,7°C

Coldest m°

17,4°C

Elevation: 314 m on average (min 310 m, max 320 m)

Bioclimatic detailsExpert
Annual mean temp.
28,5°C
Annual rain
713mm
Warmest month
40,7°C
Coldest month
17,4°C
Mean alt.
314m
Min
310m
Max
320m
Std. dev.
3m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Soil & lithology

pH H₂O

6,8

Org. C

9,7g/kg

Clay

31,0%

Sand

34,6%

Silt

34,4%

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

Dominant lithology: suGLiMaggregated to Mayo-Boneye

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
13,6g/kg
Clay
28,8%
Sand
35,5%
Silt
35,7%
5–15 cm
pH H₂O
6,8
Org. C
9,3g/kg
Clay
29,1%
Sand
35,9%
Silt
35,0%
15–30 cm
pH H₂O
6,9
Org. C
6,2g/kg
Clay
34,9%
Sand
32,5%
Silt
32,6%

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

Land cover

Forest5.3%
Crops32.9%
Built-up0.3%
Bare soil1.1%
Other (grassland, water…)60.5%

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

Hydrology5 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

48,7km

Basins crossed

5

Max stream order

6

Max drainage

73 878km²

Discharge in basins

207,7m³/s

Mean precip.

724mm/an

Mean T°

28,2°C

Moisture idx

-0,65

Mean runoff

91mm/an

Mean elev. (basins)

315m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

26,3%

Pesticides

0,2kg/km²

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