Ontologia

Arrondissement · NER

N'Guigmi

Niger

BWhArid, desert, hot(100 %)

Species observed

314

Observations

2 138

Area

123 934,9km²

Ecological tissue

Sample of 29 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 N'Guigmi : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 4 types (connectance 5.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
26
Connectance
0.056
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

314 distinct species · 2 138 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 138 obs · 42 cellules
Obs. / cellule
≥ 814
70–813
22–69
9–21
< 9

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

Climate

Mean T°

26,7°C

Annual rain

58mm

Warmest m°

39,9°C

Coldest m°

9,7°C

Elevation: 379 m on average (min 268 m, max 502 m)

Bioclimatic detailsExpert
Annual mean temp.
26,7°C
Annual rain
58mm
Warmest month
39,9°C
Coldest month
9,7°C
Mean alt.
379m
Min
268m
Max
502m
Std. dev.
51m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

8,0

Org. C

4,2g/kg

Clay

25,2%

Sand

53,1%

Silt

21,6%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
5,3g/kg
Clay
24,6%
Sand
53,4%
Silt
22,0%
5–15 cm
pH H₂O
8,1
Org. C
4,2g/kg
Clay
24,9%
Sand
53,4%
Silt
21,7%
15–30 cm
pH H₂O
8,1
Org. C
3,1g/kg
Clay
26,2%
Sand
52,6%
Silt
21,3%

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

Land cover

Forest0.3%
Crops1.2%
Built-up0.0%
Bare soil88.5%
Other (grassland, water…)10.0%

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

Hydrology211 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

2 168,98km²

Basins crossed

211

Max drainage

35 299km²

Discharge in basins

42,5m³/s

Mean precip.

72mm/an

Mean T°

27,2°C

Moisture idx

-0,97

Mean runoff

8mm/an

Mean elev. (basins)

382m

Watersheds crossing here

202 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,2%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN IV · 2

Lac Tchad

IUCN IV

Wetland of International Importance (Ramsar Site) · 2001

3 386 km²

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

Sub-administrations2