Ontologia

Commune · TCD

Fianga

Chad

BShArid, steppe, hot(53 %)

Species observed

90

Observations

256

Area

250km²

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 Fianga : 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

90 distinct species · 256 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

256 obs · 6 cellules
Obs. / cellule
≥ 209
209–208
33–208
9–32
< 9

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

Climate

Mean T°

27,9°C

Annual rain

822mm

Warmest m°

39,6°C

Coldest m°

17,5°C

Elevation: 332 m on average (min 319 m, max 354 m)

Bioclimatic detailsExpert
Annual mean temp.
27,9°C
Annual rain
822mm
Warmest month
39,6°C
Coldest month
17,5°C
Mean alt.
332m
Min
319m
Max
354m
Std. dev.
9m
Köppen-Geiger (dominant)
BShArid, steppe, hot(53 %)Arid

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

Soil & lithology

pH H₂O

6,5

Org. C

7,6g/kg

Clay

22,8%

Sand

54,0%

Silt

23,2%

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

Dominant lithology: ssGLiMaggregated to Mont Illi

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
10,1g/kg
Clay
20,4%
Sand
55,8%
Silt
23,7%
5–15 cm
pH H₂O
6,5
Org. C
8,1g/kg
Clay
21,7%
Sand
54,8%
Silt
23,4%
15–30 cm
pH H₂O
6,5
Org. C
4,5g/kg
Clay
26,1%
Sand
51,3%
Silt
22,6%

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

Land cover

Forest7.3%
Crops42.0%
Built-up0.7%
Bare soil1.8%
Other (grassland, water…)48.2%

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

Hydrology4 basins · 2 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

38,0km

Lake surface here

1,21km²

Basins crossed

4

Max stream order

5

Max drainage

13 319km²

Discharge in basins

7,9m³/s

Mean precip.

877mm/an

Mean T°

27,8°C

Moisture idx

-0,55

Mean runoff

182mm/an

Mean elev. (basins)

362m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

4hab/km²

Built-up

69,2%

Pesticides

0,4kg/km²

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