Ontologia

Arrondissement · NER

Tchin-Tabarade

Niger

BWhArid, desert, hot(100 %)

Species observed

528

Observations

5 200

Area

72 977km²

Ecological tissue

Sample of 17 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 Tchin-Tabarade : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 16 interactions GloBI sur 2 types (connectance 11.8%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
16
Connectance
0.118
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

528 distinct species · 5 200 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 200 obs · 42 cellules
Obs. / cellule
≥ 656
326–655
116–325
43–115
< 43

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

Climate

Mean T°

28,8°C

Annual rain

175mm

Warmest m°

40,9°C

Coldest m°

12,3°C

Elevation: 386 m on average (min 275 m, max 646 m)

Bioclimatic detailsExpert
Annual mean temp.
28,8°C
Annual rain
175mm
Warmest month
40,9°C
Coldest month
12,3°C
Mean alt.
386m
Min
275m
Max
646m
Std. dev.
56m
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

7,5

Org. C

3,9g/kg

Clay

25,5%

Sand

53,8%

Silt

20,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
5,1g/kg
Clay
24,8%
Sand
54,4%
Silt
20,8%
5–15 cm
pH H₂O
7,5
Org. C
3,7g/kg
Clay
25,8%
Sand
53,6%
Silt
20,6%
15–30 cm
pH H₂O
7,5
Org. C
2,9g/kg
Clay
26,0%
Sand
53,4%
Silt
20,7%

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

Land cover

Forest0.7%
Crops7.5%
Built-up0.0%
Bare soil43.4%
Other (grassland, water…)48.5%

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

Hydrology124 basins · 7 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

282,6km

Lake surface here

8,98km²

Basins crossed

124

Max stream order

5

Max drainage

383 892km²

Discharge in basins

175,6m³/s

Mean precip.

209mm/an

Mean T°

28,8°C

Moisture idx

-0,90

Mean runoff

23mm/an

Mean elev. (basins)

390m

Watersheds crossing here

115 more basins

Lakes (7, 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

1,6%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN Ib · 1

La Mare de Tabalak

IUCN Ib

Wetland of International Importance (Ramsar Site) · 2005

1 073 km²

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

Sub-administrations1