Province · BFA
Gnagna
Burkina Faso
Species observed
376
Observations
4 811
Area
8 528,4km²
Ecological tissue
Sample of 9 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).
Indicateurs du tissu écologique
Tissu écologique de Gnagna : 9 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 6 interactions GloBI sur 2 types (connectance 16.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
376 distinct species · 4 811 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,8°C
Annual rain
604mm
Warmest m°
40,1°C
Coldest m°
16,5°C
Elevation: 281 m on average (min 243 m, max 334 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,4
Org. C
5,8g/kg
Clay
22,5%
Sand
58,1%
Silt
19,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology28 basins · 12 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
333,1km
Lake surface here
27,94km²
Basins crossed
28
Max stream order
6
Max drainage
18 697km²
Discharge in basins
92,6m³/s
Mean precip.
610mm/an
Mean T°
28,3°C
Moisture idx
-0,71
Mean runoff
23mm/an
Mean elev. (basins)
285m
Watersheds crossing here
- Bassin de Fagasub-area1 686,8 km²overlap1680.42 km²20%
- Basin #13850sub-area2 117,7 km²overlap768.06 km²9%
- Bassin de la Sirbasub-area680,5 km²overlap621.51 km²7%
- Basin #14030sub-area605,7 km²overlap591.81 km²7%
- Bassin de Gouayasub-area2 670,1 km²overlap588.23 km²7%
- Basin #10420sub-area654,5 km²overlap547.51 km²6%
- Bassin de la Sirbasub-area1 247,1 km²overlap513.39 km²6%
- Bassin de Fagasub-area506,4 km²overlap504.48 km²6%
- Bassin de la Sirbasub-area440,3 km²overlap438.60 km²5%
19 more basinssorted by overlap
- Bassin de Fagasub-area404,1 km²overlap384.52 km²5%
- Bassin de la Sirbasub-area391 km²overlap344.58 km²4%
- Bassin de Gouayasub-area302,1 km²overlap300.93 km²4%
- Bassin de Fagasub-area243,3 km²overlap197.76 km²2%
- Bassin de Fagasub-area194,1 km²overlap181.07 km²2%
- Bassin de Fagasub-area336,9 km²overlap178.69 km²2%
- Bassin de Fagasub-area327,6 km²overlap149.94 km²2%
- Bassin de la Sirbasub-area444,8 km²overlap107.17 km²1%
- Bassin de Gouayasub-area724,2 km²overlap106.66 km²1%
- Bassin de Fagasub-area229,8 km²overlap93.76 km²1%
- Bassin de Fagasub-area90,6 km²overlap90.22 km²1%
- Bassin de la Sirbasub-area52,9 km²overlap52.69 km²1%
- Basin #16520sub-area2 082,7 km²overlap31.00 km²0%
- Basin #79140sub-area194,3 km²overlap25.02 km²0%
- Bassin de Fagasub-area19,6 km²overlap19.55 km²0%
- Bassin de Fagasub-area183 km²overlap4.06 km²0%
- Basin #16410sub-area824,6 km²overlap3.28 km²0%
- Bassin de la Sirbasub-area468,6 km²overlap1.85 km²0%
- Bassin de Bonsoagasub-area850,9 km²overlap1.62 km²0%
Lakes (12, top by area)
- Lake #15791area10,9 km²avg depth1.0 m
- Lake #79459area7 km²avg depth0.2 m
- Lake #79281area4,9 km²avg depth2.2 m
- Lake #79298area1,7 km²avg depth0.7 m
- Lake #79375area1,1 km²avg depth1.8 m
- Lac 1399866area1 km²avg depth1.0 m
- Lac 1398959area0,6 km²avg depth2.1 m
- Lac 1400268area0,4 km²avg depth2.4 m
- Lac 1398893area0,3 km²avg depth1.9 m
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
21,9%
Pesticides
1,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)