Ontologia

Region · tcd

Chari-Baguirmi

Chad

BShArid, steppe, hot(81 %)

Species observed

690

Observations

4 478

Area

46 030,9km²

Ecological tissue

Sample of 22 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 Chari-Baguirmi : 18 espèces reliées par 21 interactions GloBI sur 3 types (connectance 9.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
21
Connectance
0.091
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

690 distinct species · 4 478 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 478 obs · 275 cellules
Obs. / cellule
≥ 118
36–117
15–35
4–14
< 4

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

Climate

Mean T°

28,5°C

Annual rain

684mm

Warmest m°

40,7°C

Coldest m°

17,2°C

Elevation: 322 m on average (min 290 m, max 349 m)

Bioclimatic detailsExpert
Annual mean temp.
28,5°C
Annual rain
684mm
Warmest month
40,7°C
Coldest month
17,2°C
Mean alt.
322m
Min
290m
Max
349m
Std. dev.
15m
Köppen-Geiger (dominant)
BShArid, steppe, hot(81 %)Arid

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

Soil & lithology

pH H₂O

6,7

Org. C

8,0g/kg

Clay

38,4%

Sand

30,9%

Silt

30,7%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
9,8g/kg
Clay
36,5%
Sand
31,9%
Silt
31,6%
5–15 cm
pH H₂O
6,6
Org. C
8,0g/kg
Clay
37,4%
Sand
31,4%
Silt
31,1%
15–30 cm
pH H₂O
6,7
Org. C
6,4g/kg
Clay
41,3%
Sand
29,3%
Silt
29,4%

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

Land cover

Forest8.7%
Crops23.4%
Built-up0.1%
Bare soil0.9%
Other (grassland, water…)67.0%

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

Hydrology98 basins · 19 lakes · 29 rivers

Hydrology metrics for this exact territory

Stream length here

2 147,6km

Lake surface here

5,92km²

Basins crossed

98

Max stream order

8

Max drainage

515 498km²

Discharge in basins

9 902,5m³/s

Mean precip.

687mm/an

Mean T°

28,5°C

Moisture idx

-0,68

Mean runoff

101mm/an

Mean elev. (basins)

324m

Watersheds crossing here

89 more basins

Lakes (19, top by area)

10 more lakes

Rivers / streams (29, ord ≥ 4)

17 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

8,8%

Pesticides

0,1kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN IV · 1📍 Point sites · 2

Mandelia

IUCN IV

Faunal Reserve · 1969

1 316 km²

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

Sub-administrations2