Ontologia

Department · TCD

Lac Iro

Chad

AwTropical, savannah(100 %)

Species observed

112

Observations

215

Area

17 666,4km²

Ecological tissue

Sample of 34 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 Lac Iro : 30 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
33
Connectance
0.056
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

112 distinct species · 215 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

215 obs · 51 cellules
Obs. / cellule
≥ 43
7–42
3–6
2–2
< 2

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

Climate

Mean T°

27,5°C

Annual rain

951mm

Warmest m°

38,5°C

Coldest m°

19,1°C

Elevation: 391 m on average (min 363 m, max 563 m)

Bioclimatic detailsExpert
Annual mean temp.
27,5°C
Annual rain
951mm
Warmest month
38,5°C
Coldest month
19,1°C
Mean alt.
391m
Min
363m
Max
563m
Std. dev.
25m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

10,3g/kg

Clay

28,0%

Sand

41,2%

Silt

30,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
14,5g/kg
Clay
24,3%
Sand
43,9%
Silt
31,8%
5–15 cm
pH H₂O
6,5
Org. C
10,2g/kg
Clay
26,5%
Sand
42,3%
Silt
31,2%
15–30 cm
pH H₂O
6,5
Org. C
6,0g/kg
Clay
33,3%
Sand
37,5%
Silt
29,2%

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

Land cover

Forest18.3%
Crops6.5%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)75.1%

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

Hydrology40 basins · 14 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

1 507,9km

Lake surface here

122,98km²

Basins crossed

40

Max stream order

7

Max drainage

322 360km²

Discharge in basins

994,9m³/s

Mean precip.

962mm/an

Mean T°

27,5°C

Moisture idx

-0,54

Mean runoff

93mm/an

Mean elev. (basins)

395m

Watersheds crossing here

31 more basins

Lakes (14, top by area)

5 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

2,7%

Pesticides

0,0kg/km²

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

Protected areas3

IUCN Not Reported · 1IUCN IV · 1IUCN II · 1

Aouk

IUCN Not Reported

Hunting reserve · 1963

28 560 km²

Zakouma

IUCN II

National Park · 1963

3 043 km²

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

Sub-administrations14