Ontologia

Commune · TCD

Koumra

Chad

AwTropical, savannah(100 %)

Species observed

88

Observations

181

Area

1 089,7km²

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 Koumra : 4 espèces reliées par 2 interactions GloBI sur 1 type (connectance 20.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
5
Interactions affichées
2
Connectance
0.200
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

88 distinct species · 181 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

181 obs · 12 cellules
Obs. / cellule
≥ 68
27–67
19–26
10–18
< 10

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

Climate

Mean T°

27,1°C

Annual rain

1 026mm

Warmest m°

38,0°C

Coldest m°

19,0°C

Elevation: 413 m on average (min 365 m, max 596 m)

Bioclimatic detailsExpert
Annual mean temp.
27,1°C
Annual rain
1 026mm
Warmest month
38,0°C
Coldest month
19,0°C
Mean alt.
413m
Min
365m
Max
596m
Std. dev.
51m
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

10,5g/kg

Clay

25,9%

Sand

49,1%

Silt

25,0%

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

Dominant lithology: suGLiMaggregated to Mandoul Oriental

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
14,5g/kg
Clay
23,6%
Sand
51,0%
Silt
25,4%
5–15 cm
pH H₂O
6,3
Org. C
10,8g/kg
Clay
24,2%
Sand
50,4%
Silt
25,4%
15–30 cm
pH H₂O
6,3
Org. C
6,1g/kg
Clay
29,9%
Sand
45,9%
Silt
24,2%

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

Land cover

Forest14.8%
Crops21.1%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)63.4%

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

Hydrology12 basins · 1 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

121,9km

Lake surface here

0,16km²

Basins crossed

12

Max stream order

5

Max drainage

12 167km²

Discharge in basins

67,1m³/s

Mean precip.

990mm/an

Mean T°

27,2°C

Moisture idx

-0,52

Mean runoff

143mm/an

Mean elev. (basins)

414m

Watersheds crossing here

3 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

41,9%

Pesticides

0,2kg/km²

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