Ontologia

Arrondissement · NER

Illéla

Niger

BWhArid, desert, hot(99 %)

Species observed

301

Observations

1 094

Area

6 467,2km²

Ecological tissue

Sample of 11 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 Illéla : 10 espèces reliées par 9 interactions GloBI sur 2 types (connectance 16.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
9
Connectance
0.164
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

301 distinct species · 1 094 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 094 obs · 51 cellules
Obs. / cellule
≥ 121
48–120
29–47
15–28
< 15

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

Climate

Mean T°

29,1°C

Annual rain

371mm

Warmest m°

40,4°C

Coldest m°

15,3°C

Elevation: 308 m on average (min 253 m, max 475 m)

Bioclimatic detailsExpert
Annual mean temp.
29,1°C
Annual rain
371mm
Warmest month
40,4°C
Coldest month
15,3°C
Mean alt.
308m
Min
253m
Max
475m
Std. dev.
36m
Köppen-Geiger (dominant)
BWhArid, desert, hot(99 %)Arid

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

Soil & lithology

pH H₂O

6,3

Org. C

4,1g/kg

Clay

17,7%

Sand

67,3%

Silt

15,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
4,8g/kg
Clay
15,9%
Sand
69,2%
Silt
14,9%
5–15 cm
pH H₂O
6,4
Org. C
4,1g/kg
Clay
18,0%
Sand
66,7%
Silt
15,2%
15–30 cm
pH H₂O
6,3
Org. C
3,5g/kg
Clay
19,1%
Sand
66,1%
Silt
14,8%

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

Land cover

Forest1.5%
Crops19.9%
Built-up0.2%
Bare soil22.2%
Other (grassland, water…)56.1%

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

Hydrology22 basins · 13 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

158,6km

Lake surface here

10,75km²

Basins crossed

22

Max stream order

5

Max drainage

24 083km²

Discharge in basins

16,5m³/s

Mean precip.

379mm/an

Mean T°

28,9°C

Moisture idx

-0,82

Mean runoff

14mm/an

Mean elev. (basins)

315m

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

23,5%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN Ib · 1

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

Sub-administrations1