Ontologia

HydroBASINS lev08 watershed · #1080794180

Bassin de Syeba

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 : Bougouni, Mandiana, Yanfolila

Pfafstetter: 14289704

Sub-basin area

580,5km²

Upstream area

580,7km²

Discharge

6,6m³/s

Mean elev.

404m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Baoulé933 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Yanfolila
    Sikasso · Mali
    370.5 km²
    64.1% of basin
  • Mandiana
    Kankan · Guinea
    206.2 km²
    35.7% of basin
  • Bougouni
    Sikasso · Mali
    1.5 km²
    0.3% of basin

3 intersecting protected areas

  • Sankarani-Fié

    IUCN IV

    Wetland of International Importance (Ramsar Site)

    198.21 km² overlap

  • Djangoumerila

    IUCN IV

    Total Wildlife Reserve

    154.91 km² overlap

  • Niénendougou

    IUCN IV

    Total Wildlife Reserve

    1.59 km² overlap

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

Species present

5 distinct species · 20 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 obs · 3 cellules
Obs. / cellule
≥ 15
15–14
15–14
4–14
< 4

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

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

26,4°C

Annual rain

1 319mm

Moisture idx (CMI)

-0,34

Runoff

359mm/an

PET

2 007mm

AET

982mm

Mean slope

1,8°

Water table

130cm

Forest

76%

Crops

17%

Urban

0%

Protected

27%

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