Ontologia

HydroBASINS lev08 watershed · #1080657550

Bassin du 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 : Macina, Ségou

35% lakePfafstetter: 14293035

Sub-basin area

1 440,5km²

Upstream area

133 941,4km²

Discharge

921,54m³/s

Mean elev.

282m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Niger12 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Ségou
    Ségou · Mali
    863.9 km²
    60.2% of basin
  • Macina
    Ségou · Mali
    571.3 km²
    39.8% of basin

6 intersecting protected areas

  • Delta Intérieur du Niger

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    565.89 km² overlap

  • Mio

    IUCN IV

    Classified Forest

    29.50 km² overlap

  • Sabali

    IUCN IV

    Classified Forest

    13.04 km² overlap

  • Founou

    IUCN IV

    Classified Forest

    10.40 km² overlap

  • Kolongotomo

    IUCN IV

    Classified Forest

    10.14 km² overlap

  • Fi

    IUCN IV

    Classified Forest

    9.18 km² overlap

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

Species present

347 distinct species · 802 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

802 obs · 48 cellules
Obs. / cellule
≥ 171
38–170
12–37
7–11
< 7

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

Ecological tissue

Sample of 29 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 du Niger : 25 espèces + 4 bulles famille, 21 interactions GloBI documentées sur 4 types (connectance 5.2%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
29
Interactions affichées
21
Connectance
0.052
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°

26,9°C

Annual rain

616mm

Moisture idx (CMI)

-0,70

Runoff

43mm/an

PET

2 071mm

AET

519mm

Mean slope

0,1°

Water table

25cm

Forest

0%

Crops

9%

Urban

3%

Protected

0%

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