Ontologia

Arrondissement · NER

Groumdji

Niger

BShArid, steppe, hot(72 %)

Species observed

213

Observations

558

Area

4 738,8km²

Ecological tissue

Sample of 33 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 Groumdji : 26 espèces reliées par 39 interactions GloBI sur 3 types (connectance 7.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
39
Connectance
0.070
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

213 distinct species · 558 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

558 obs · 34 cellules
Obs. / cellule
≥ 102
45–101
14–44
6–13
< 6

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

Climate

Mean T°

27,9°C

Annual rain

426mm

Warmest m°

39,6°C

Coldest m°

13,8°C

Elevation: 359 m on average (min 299 m, max 421 m)

Bioclimatic detailsExpert
Annual mean temp.
27,9°C
Annual rain
426mm
Warmest month
39,6°C
Coldest month
13,8°C
Mean alt.
359m
Min
299m
Max
421m
Std. dev.
27m
Köppen-Geiger (dominant)
BShArid, steppe, hot(72 %)Arid

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

Soil & lithology

pH H₂O

6,5

Org. C

4,2g/kg

Clay

17,6%

Sand

66,3%

Silt

16,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
4,7g/kg
Clay
15,6%
Sand
68,4%
Silt
16,0%
5–15 cm
pH H₂O
6,5
Org. C
4,5g/kg
Clay
18,5%
Sand
65,3%
Silt
16,3%
15–30 cm
pH H₂O
6,4
Org. C
3,5g/kg
Clay
18,7%
Sand
65,3%
Silt
15,9%

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

Land cover

Forest5.5%
Crops35.3%
Built-up0.4%
Bare soil3.5%
Other (grassland, water…)55.4%

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

Hydrology18 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

195,2km

Basins crossed

18

Max stream order

4

Max drainage

37 827km²

Discharge in basins

40,7m³/s

Mean precip.

419mm/an

Mean T°

27,5°C

Moisture idx

-0,80

Mean runoff

14mm/an

Mean elev. (basins)

363m

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

36,2%

Pesticides

0,2kg/km²

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

Protected areas2

IUCN Not Reported · 2

Isa Zurmi

IUCN Not Reported

Forest Reserve

412 km²

Tara

IUCN Not Reported

Forest Reserve

164 km²

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

Sub-administrations5