Ontologia

Commune · NER

Ouacha

Niger

BWhArid, desert, hot(81 %)

Species observed

34

Observations

76

Area

870,6km²

Ecological tissue

Sample of 6 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 Ouacha : 5 espèces reliées par 4 interactions GloBI sur 1 type (connectance 19.0%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
7
Interactions affichées
4
Connectance
0.191
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

34 distinct species · 76 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

76 obs · 6 cellules
Obs. / cellule
≥ 29
29–28
26–28
14–25
< 14

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

Climate

Mean T°

28,1°C

Annual rain

394mm

Warmest m°

39,7°C

Coldest m°

14,4°C

Elevation: 400 m on average (min 370 m, max 511 m)

Bioclimatic detailsExpert
Annual mean temp.
28,1°C
Annual rain
394mm
Warmest month
39,7°C
Coldest month
14,4°C
Mean alt.
400m
Min
370m
Max
511m
Std. dev.
24m
Köppen-Geiger (dominant)
BWhArid, desert, hot(81 %)Arid

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

Soil & lithology

pH H₂O

7,1

Org. C

4,5g/kg

Clay

18,9%

Sand

63,1%

Silt

17,9%

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

Dominant lithology: mtGLiMaggregated to Magaria

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
5,0g/kg
Clay
17,6%
Sand
64,5%
Silt
17,9%
5–15 cm
pH H₂O
7,1
Org. C
4,8g/kg
Clay
18,9%
Sand
63,2%
Silt
18,0%
15–30 cm
pH H₂O
7,1
Org. C
3,6g/kg
Clay
20,4%
Sand
61,8%
Silt
17,8%

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

Land cover

Forest5.5%
Crops35.3%
Built-up0.2%
Bare soil3.0%
Other (grassland, water…)55.9%

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

Hydrology5 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

37,7km

Lake surface here

0,49km²

Basins crossed

5

Max stream order

5

Max drainage

10 012km²

Discharge in basins

1,0m³/s

Mean precip.

367mm/an

Mean T°

27,6°C

Moisture idx

-0,83

Mean runoff

11mm/an

Mean elev. (basins)

397m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

22,0%

Pesticides

0,0kg/km²

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