Ontologia

Commune · TCD

Afrouk

Chad

BShArid, steppe, hot(100 %)

Species observed

56

Observations

71

Area

626,9km²

Ecological tissue

Sample of 8 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 Afrouk : 7 espèces reliées par 7 interactions GloBI sur 2 types (connectance 25.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
7
Connectance
0.250
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

56 distinct species · 71 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

71 obs · 7 cellules
Obs. / cellule
≥ 21
21–20
16–20
6–15
< 6

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

Climate

Mean T°

28,7°C

Annual rain

446mm

Warmest m°

41,3°C

Coldest m°

16,1°C

Elevation: 291 m on average (min 289 m, max 293 m)

Bioclimatic detailsExpert
Annual mean temp.
28,7°C
Annual rain
446mm
Warmest month
41,3°C
Coldest month
16,1°C
Mean alt.
291m
Min
289m
Max
293m
Std. dev.
1m
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

7,1

Org. C

7,0g/kg

Clay

35,8%

Sand

40,6%

Silt

23,6%

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

Dominant lithology: suGLiMaggregated to Haraze Al Biar

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
6,9g/kg
Clay
33,4%
Sand
42,1%
Silt
24,4%
5–15 cm
pH H₂O
7,0
Org. C
6,2g/kg
Clay
34,7%
Sand
41,1%
Silt
24,3%
15–30 cm
pH H₂O
7,1
Org. C
7,9g/kg
Clay
39,3%
Sand
38,5%
Silt
22,2%

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

Land cover

Forest2.5%
Crops29.9%
Built-up0.3%
Bare soil4.5%
Other (grassland, water…)62.8%

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

Hydrology4 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

15,8km

Lake surface here

0,07km²

Basins crossed

4

Max stream order

2

Max drainage

2 975km²

Discharge in basins

0,5m³/s

Mean precip.

434mm/an

Mean T°

28,4°C

Moisture idx

-0,80

Mean runoff

20mm/an

Mean elev. (basins)

294m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

27,5%

Pesticides

0,1kg/km²

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