Ontologia

Department · TCD

Ngourkosso

Chad

AwTropical, savannah(100 %)

Species observed

21

Observations

94

Area

1 475,9km²

Ecological tissue

Sample of 1 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 Ngourkosso : 0 espèces reliées par 0 interaction GloBI sur 0 type (connectance 0.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
1
Interactions affichées
0
Connectance
0.0000
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

21 distinct species · 94 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

94 obs · 12 cellules
Obs. / cellule
≥ 48
18–47
4–17
2–3
< 2

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

999mm

Warmest m°

38,0°C

Coldest m°

18,1°C

Elevation: 421 m on average (min 359 m, max 539 m)

Bioclimatic detailsExpert
Annual mean temp.
27,2°C
Annual rain
999mm
Warmest month
38,0°C
Coldest month
18,1°C
Mean alt.
421m
Min
359m
Max
539m
Std. dev.
45m
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

10,0g/kg

Clay

23,1%

Sand

51,1%

Silt

25,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
14,0g/kg
Clay
21,2%
Sand
52,4%
Silt
26,4%
5–15 cm
pH H₂O
6,3
Org. C
9,8g/kg
Clay
21,5%
Sand
52,4%
Silt
26,1%
15–30 cm
pH H₂O
6,3
Org. C
6,1g/kg
Clay
26,6%
Sand
48,6%
Silt
24,8%

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

Land cover

Forest6.6%
Crops40.8%
Built-up0.5%
Bare soil2.5%
Other (grassland, water…)49.7%

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

Hydrology3 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

126,6km

Lake surface here

0,23km²

Basins crossed

3

Max stream order

6

Max drainage

58 634km²

Discharge in basins

219,6m³/s

Mean precip.

1 012mm/an

Mean T°

27,4°C

Moisture idx

-0,50

Mean runoff

485mm/an

Mean elev. (basins)

400m

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

47,8%

Pesticides

0,2kg/km²

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

Sub-administrations11