Ontologia

HydroBASINS lev08 watershed · #1081146030

Bassin de Tana River

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 : Balambala, Bura

Pfafstetter: 11720937

Sub-basin area

210,2km²

Upstream area

26 628,9km²

Discharge

209,45m³/s

Mean elev.

309m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Tana River94 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Rahole

    IUCN VI

    National Reserve

    130.74 km² overlap

  • Kora

    IUCN II

    National Park

    78.51 km² overlap

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

Species present

9 distinct species · 10 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 obs · 2 cellules
Obs. / cellule
≥ 6
6–5
6–5
6–5
< 6

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°

26,6°C

Annual rain

355mm

Moisture idx (CMI)

-0,83

Runoff

39mm/an

PET

2 058mm

AET

296mm

Mean slope

1,2°

Water table

253cm

Forest

0%

Crops

6%

Urban

0%

Protected

100%

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