Ontologia

Pays · NER

Niger

BWhArid, desert, hot(93 %)

Species observed

3 263

Observations

88 722

Area

1 183 671km²

Ecological tissue

Sample of 40 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 Niger : 33 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 4 types (connectance 4.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
40
Connectance
0.049
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

3 263 distinct species · 88 722 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

88 722 obs · 514 cellules
Obs. / cellule
≥ 2 096
361–2 095
118–360
32–117
< 32

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

Climate

Mean T°

27,1°C

Annual rain

127mm

Warmest m°

40,1°C

Coldest m°

10,0°C

Elevation: 460 m on average (min 155 m, max 1 857 m)

Bioclimatic detailsExpert
Annual mean temp.
27,1°C
Annual rain
127mm
Warmest month
40,1°C
Coldest month
10,0°C
Mean alt.
460m
Min
155m
Max
1 857m
Std. dev.
157m
Köppen-Geiger (dominant)
BWhArid, desert, hot(93 %)Arid

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

Soil & lithology

pH H₂O

7,8

Org. C

4,0g/kg

Clay

21,4%

Sand

54,6%

Silt

24,0%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
5,0g/kg
Clay
20,7%
Sand
55,2%
Silt
24,1%
5–15 cm
pH H₂O
7,8
Org. C
4,1g/kg
Clay
21,3%
Sand
54,7%
Silt
24,0%
15–30 cm
pH H₂O
7,8
Org. C
2,9g/kg
Clay
22,3%
Sand
53,9%
Silt
23,8%

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

Land cover

Forest0.9%
Crops6.8%
Built-up0.1%
Bare soil70.0%
Other (grassland, water…)22.3%

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

Hydrology1783 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

10 840,5km

Lake surface here

2 900,24km²

Basins crossed

1 783

Max stream order

8

Max drainage

1 352 189km²

Discharge in basins

23 129,9m³/s

Mean precip.

136mm/an

Mean T°

27,1°C

Moisture idx

-0,94

Mean runoff

14mm/an

Mean elev. (basins)

461m

Watersheds crossing here

1774 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

5,0%

Pesticides

0,1kg/km²

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

Protected areas54

Country WDPA breakdown
IV217 965 km²(11)
Not Applicable172 689 km²(6)
Ib52 337 km²(7)
Ia16 494 km²(2)
II2 194 km²(1)
Not Reported9 km²(2)
IUCN Not Reported · 15IUCN IV · 13IUCN Not Applicable · 11IUCN Ib · 7IUCN II · 6IUCN Ia · 2

Ahaggar

IUCN Not Applicable

Cultural Park · 1987

542 179 km²

Tassili N'Ajjer

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1986

98 902 km²

Aïr et Ténéré

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1997

78 299 km²

Complete list

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