Ontologia

Commune · BFA

Oursi

Burkina Faso

BWhArid, desert, hot(98 %)

Species observed

475

Observations

3 569

Area

610,6km²

Ecological tissue

Sample of 11 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 Oursi : 9 espèces reliées par 9 interactions GloBI sur 2 types (connectance 16.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
9
Connectance
0.164
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

475 distinct species · 3 569 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 569 obs · 18 cellules
Obs. / cellule
≥ 1 552
575–1 551
124–574
85–123
< 85

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

Climate

Mean T°

29,4°C

Annual rain

366mm

Warmest m°

40,7°C

Coldest m°

15,4°C

Elevation: 298 m on average (min 266 m, max 376 m)

Bioclimatic detailsExpert
Annual mean temp.
29,4°C
Annual rain
366mm
Warmest month
40,7°C
Coldest month
15,4°C
Mean alt.
298m
Min
266m
Max
376m
Std. dev.
13m
Köppen-Geiger (dominant)
BWhArid, desert, hot(98 %)Arid

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

Soil & lithology

pH H₂O

6,6

Org. C

4,5g/kg

Clay

21,5%

Sand

65,5%

Silt

13,0%

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

Dominant lithology: suGLiMaggregated to Oudalan

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
6,6g/kg
Clay
19,5%
Sand
67,0%
Silt
13,6%
5–15 cm
pH H₂O
6,6
Org. C
4,0g/kg
Clay
20,7%
Sand
66,2%
Silt
13,2%
15–30 cm
pH H₂O
6,6
Org. C
3,0g/kg
Clay
24,2%
Sand
63,5%
Silt
12,3%

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

Land cover

Forest1.8%
Crops19.5%
Built-up0.1%
Bare soil11.3%
Other (grassland, water…)67.4%

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

Hydrology3 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

38,7km

Lake surface here

0,50km²

Basins crossed

3

Max stream order

2

Max drainage

2 957km²

Discharge in basins

0,4m³/s

Mean precip.

350mm/an

Mean T°

29,1°C

Moisture idx

-0,84

Mean runoff

23mm/an

Mean elev. (basins)

289m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Built-up

10,3%

Pesticides

0,7kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN IV · 1

Sahel

IUCN IV

Sylvo-pastoral Reserve and Partial Wildlife Reserve · 1970

18 209 km²

La Mare d’Oursi

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1990

301 km²

Mare de Yomboli

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2019

91 km²

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