Ontologia

HydroBASINS lev08 watershed · #1080796660

Bassin de BLACK VOLTA

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 3 administrative regions across 2 countries : Jirapa, Lawra, Poni

Pfafstetter: 14450909

Sub-basin area

686,3km²

Upstream area

102 213,7km²

Discharge

69,91m³/s

Mean elev.

274m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

3 dept-equivalent regions (GADM L2)

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

264 distinct species · 642 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

642 obs · 25 cellules
Obs. / cellule
≥ 169
132–168
10–131
5–9
< 5

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

Ecological tissue

Sample of 23 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 Bassin de BLACK VOLTA : 19 espèces reliées par 23 interactions GloBI sur 4 types (connectance 9.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
23
Connectance
0.091
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

27,8°C

Annual rain

975mm

Moisture idx (CMI)

-0,49

Runoff

110mm/an

PET

1 914mm

AET

823mm

Mean slope

1,1°

Water table

165cm

Forest

0%

Crops

18%

Urban

1%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)