Ontologia

Region · tcd

Wadi Fira

Chad

BWhArid, desert, hot(94 %)

Species observed

353

Observations

2 481

Area

54 116,6km²

Ecological tissue

Sample of 38 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 Wadi Fira : 33 espèces reliées par 37 interactions GloBI sur 3 types (connectance 5.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
37
Connectance
0.050
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

353 distinct species · 2 481 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 481 obs · 28 cellules
Obs. / cellule
≥ 413
303–412
103–302
35–102
< 35

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

26,4°C

Annual rain

229mm

Warmest m°

38,3°C

Coldest m°

12,6°C

Elevation: 698 m on average (min 393 m, max 1 196 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
229mm
Warmest month
38,3°C
Coldest month
12,6°C
Mean alt.
698m
Min
393m
Max
1 196m
Std. dev.
217m
Köppen-Geiger (dominant)
BWhArid, desert, hot(94 %)Arid

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

Soil & lithology

pH H₂O

7,8

Org. C

4,4g/kg

Clay

26,0%

Sand

52,4%

Silt

21,7%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
5,1g/kg
Clay
25,4%
Sand
53,1%
Silt
21,5%
5–15 cm
pH H₂O
7,8
Org. C
4,4g/kg
Clay
26,2%
Sand
52,3%
Silt
21,5%
15–30 cm
pH H₂O
7,9
Org. C
3,8g/kg
Clay
26,3%
Sand
51,7%
Silt
21,9%

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

Land cover

Forest1.4%
Crops9.9%
Built-up0.0%
Bare soil28.9%
Other (grassland, water…)59.8%

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

Hydrology109 basins · 1 lakes · 99 rivers

Hydrology metrics for this exact territory

Stream length here

2 692,2km

Lake surface here

0,52km²

Basins crossed

109

Max stream order

5

Max drainage

16 671km²

Discharge in basins

47,3m³/s

Mean precip.

224mm/an

Mean T°

27,4°C

Moisture idx

-0,90

Mean runoff

12mm/an

Mean elev. (basins)

691m

Watersheds crossing here

100 more basins

Lakes (1, top by area)

Rivers / streams (99, ord ≥ 4)

87 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

4,3%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN IV · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations3