Ontologia

Province · BFA

Oudalan

Burkina Faso

BWhArid, desert, hot(78 %)

Species observed

718

Observations

17 013

Area

10 000,1km²

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 Oudalan : 8 espèces reliées par 11 interactions GloBI sur 1 type (connectance 20.0%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
11
Connectance
0.200
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

718 distinct species · 17 013 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

17 013 obs · 191 cellules
Obs. / cellule
≥ 1 552
174–1 551
54–173
25–53
< 25

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

Climate

Mean T°

29,6°C

Annual rain

362mm

Warmest m°

40,9°C

Coldest m°

15,6°C

Elevation: 280 m on average (min 237 m, max 383 m)

Bioclimatic detailsExpert
Annual mean temp.
29,6°C
Annual rain
362mm
Warmest month
40,9°C
Coldest month
15,6°C
Mean alt.
280m
Min
237m
Max
383m
Std. dev.
22m
Köppen-Geiger (dominant)
BWhArid, desert, hot(78 %)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

4,4g/kg

Clay

22,2%

Sand

64,3%

Silt

13,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
6,1g/kg
Clay
20,3%
Sand
65,7%
Silt
14,0%
5–15 cm
pH H₂O
6,6
Org. C
4,1g/kg
Clay
21,7%
Sand
64,7%
Silt
13,6%
15–30 cm
pH H₂O
6,7
Org. C
3,0g/kg
Clay
24,7%
Sand
62,4%
Silt
12,8%

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

Land cover

Forest1.7%
Crops16.6%
Built-up0.1%
Bare soil19.9%
Other (grassland, water…)61.6%

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

Hydrology21 basins · 7 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

634,4km

Lake surface here

5,85km²

Basins crossed

21

Max stream order

6

Max drainage

43 001km²

Discharge in basins

119,8m³/s

Mean precip.

361mm/an

Mean T°

29,1°C

Moisture idx

-0,83

Mean runoff

22mm/an

Mean elev. (basins)

284m

Watersheds crossing here

12 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

10,3%

Pesticides

0,6kg/km²

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

Protected areas5

IUCN Not Reported · 3IUCN IV · 2

Sahel

IUCN IV

Sylvo-pastoral Reserve and Partial Wildlife Reserve · 1970

18 209 km²

Kandadji

IUCN IV

Nature Reserve · 2017

12 011 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

Mare de Darkoye

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2019

17 km²

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

Sub-administrations5