Ontologia

HydroBASINS lev08 watershed · #1080696830

Bassin de Niger

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 2 administrative regions : Dioïla, Koulikoro

Pfafstetter: 14295010

Sub-basin area

901,2km²

Upstream area

119 259km²

Discharge

1 046,68m³/s

Mean elev.

353m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Koulikoro
    Koulikoro · Mali
    658.0 km²
    73.3% of basin
  • Dioïla
    Koulikoro · Mali
    239.8 km²
    26.7% of basin

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

Species present

778 distinct species · 6 640 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 640 obs · 29 cellules
Obs. / cellule
≥ 1 544
759–1 543
307–758
45–306
< 45

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 Niger : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 4 types (connectance 7.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
21
Connectance
0.076
Patrimoniales
1
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°

27,2°C

Annual rain

852mm

Moisture idx (CMI)

-0,59

Runoff

91mm/an

PET

2 057mm

AET

720mm

Mean slope

1,9°

Water table

259cm

Forest

0%

Crops

8%

Urban

2%

Protected

0%

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