Ontologia

Commune · TCD

Abker

Chad

BShArid, steppe, hot(100 %)

Species observed

110

Observations

245

Area

960,5km²

Ecological tissue

Sample of 2 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 Abker : 1 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

110 distinct species · 245 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

245 obs · 11 cellules
Obs. / cellule
≥ 110
51–109
25–50
8–24
< 8

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

Climate

Mean T°

27,7°C

Annual rain

513mm

Warmest m°

39,4°C

Coldest m°

16,3°C

Elevation: 537 m on average (min 501 m, max 787 m)

Bioclimatic detailsExpert
Annual mean temp.
27,7°C
Annual rain
513mm
Warmest month
39,4°C
Coldest month
16,3°C
Mean alt.
537m
Min
501m
Max
787m
Std. dev.
26m
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

7,0

Org. C

7,5g/kg

Clay

28,5%

Sand

44,6%

Silt

26,9%

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

Dominant lithology: suGLiMaggregated to Djourf Al Ahmar

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
8,0g/kg
Clay
26,9%
Sand
45,9%
Silt
27,2%
5–15 cm
pH H₂O
7,0
Org. C
7,6g/kg
Clay
27,6%
Sand
45,2%
Silt
27,2%
15–30 cm
pH H₂O
7,0
Org. C
6,9g/kg
Clay
30,9%
Sand
42,8%
Silt
26,3%

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

Land cover

Forest5.2%
Crops16.2%
Built-up0.0%
Bare soil4.1%
Other (grassland, water…)74.5%

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

Hydrology11 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,0km

Basins crossed

11

Max stream order

3

Max drainage

8 717km²

Discharge in basins

6,4m³/s

Mean precip.

532mm/an

Mean T°

27,9°C

Moisture idx

-0,76

Mean runoff

25mm/an

Mean elev. (basins)

552m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

1,8%

Pesticides

0,1kg/km²

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