Ontologia

Commune · NER

Kourtey

Niger

BWhArid, desert, hot(99 %)

Species observed

121

Observations

331

Area

1 106,4km²

Ecological tissue

Sample of 31 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 Kourtey : 25 espèces reliées par 26 interactions GloBI sur 3 types (connectance 5.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
26
Connectance
0.056
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

121 distinct species · 331 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

331 obs · 11 cellules
Obs. / cellule
≥ 198
63–197
10–62
4–9
< 4

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

Climate

Mean T°

29,5°C

Annual rain

375mm

Warmest m°

40,5°C

Coldest m°

15,7°C

Elevation: 238 m on average (min 187 m, max 279 m)

Bioclimatic detailsExpert
Annual mean temp.
29,5°C
Annual rain
375mm
Warmest month
40,5°C
Coldest month
15,7°C
Mean alt.
238m
Min
187m
Max
279m
Std. dev.
28m
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

6,0

Org. C

4,0g/kg

Clay

19,3%

Sand

62,4%

Silt

18,3%

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

Dominant lithology: ssGLiMaggregated to Tillabéry

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
4,8g/kg
Clay
17,4%
Sand
63,9%
Silt
18,7%
5–15 cm
pH H₂O
6,0
Org. C
3,9g/kg
Clay
19,0%
Sand
62,8%
Silt
18,2%
15–30 cm
pH H₂O
6,0
Org. C
3,3g/kg
Clay
21,4%
Sand
60,6%
Silt
18,0%

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

Land cover

Forest1.5%
Crops16.2%
Built-up0.2%
Bare soil23.2%
Other (grassland, water…)58.9%

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

Hydrology8 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

103,9km

Lake surface here

0,22km²

Basins crossed

8

Max stream order

8

Max drainage

668 059km²

Discharge in basins

773,1m³/s

Mean precip.

389mm/an

Mean T°

29,3°C

Moisture idx

-0,82

Mean runoff

20mm/an

Mean elev. (basins)

241m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

19,9%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN IV · 1

Kandadji

IUCN IV

Nature Reserve · 2017

12 011 km²

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