Ontologia

HydroBASINS lev08 watershed · #1080664740

Bassin de Nianija Bolon

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 : Koungheul, Koupentoum, Niani

Pfafstetter: 14580164

Sub-basin area

313,8km²

Upstream area

313,9km²

Discharge

0,3m³/s

Mean elev.

43m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Nianija Bolon6 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Khogue

    IUCN Not Reported

    Forest Reserve

    4.11 km² overlap

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

Species present

17 distinct species · 41 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

41 obs · 6 cellules
Obs. / cellule
≥ 19
19–18
10–18
5–9
< 5

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 Nianija Bolon : 7 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 2 types (connectance 23.8%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
5
Connectance
0.238
Patrimoniales
2
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°

27,5°C

Annual rain

701mm

Moisture idx (CMI)

-0,66

Runoff

30mm/an

PET

2 071mm

AET

590mm

Mean slope

0,3°

Water table

92cm

Forest

0%

Crops

47%

Urban

12%

Protected

1%

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