Ontologia

HydroBASINS lev08 watershed · #1080591190

Bassin de Bara Issa

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 : Niafunké, Youwarou

11% lakePfafstetter: 14277830

Sub-basin area

1 700,4km²

Upstream area

15 039,1km²

Discharge

112,46m³/s

Mean elev.

265m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Bara Issa1187 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

4 intersecting protected areas

  • Delta Intérieur du Niger

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    1670.39 km² overlap

  • Tiolli

    IUCN IV

    Classified Forest

    8.38 km² overlap

  • Koumaera

    IUCN IV

    Classified Forest

    7.88 km² overlap

  • Moundiadié

    IUCN IV

    Classified Forest

    7.85 km² overlap

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

Species present

28 distinct species · 366 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

366 obs · 35 cellules
Obs. / cellule
≥ 221
14–220
5–13
4–4
< 4

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

Ecological tissue

Sample of 7 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 Bara Issa : 6 espèces reliées par 5 interactions GloBI sur 2 types (connectance 23.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
7
Interactions affichées
5
Connectance
0.238
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°

27,7°C

Annual rain

307mm

Moisture idx (CMI)

-0,85

Runoff

136mm/an

PET

2 082mm

AET

256mm

Mean slope

0,2°

Water table

21cm

Forest

0%

Crops

3%

Urban

0%

Protected

0%

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