Ontologia

HydroBASINS lev08 watershed · #1080949170

Bassin · #1080949170

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 6 administrative regions : Dekina, Ibaji, Idah, Igalamela-Odolu, Ofu +1

Pfafstetter: 14210026

Sub-basin area

1 648km²

Upstream area

1 648km²

Discharge

34,17m³/s

Mean elev.

223m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Anambra6 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

6 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Ibaji-Ojok

    IUCN Not Reported

    Forest Reserve

    173.11 km² overlap

  • Okura Iyale

    IUCN Not Reported

    Forest Reserve

    114.98 km² overlap

  • Ojofu

    IUCN Not Reported

    Forest Reserve

    9.48 km² overlap

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

Species present

180 distinct species · 1 520 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 520 obs · 28 cellules
Obs. / cellule
≥ 203
122–202
92–121
44–91
< 44

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

Ecological tissue

Sample of 18 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 · #1080949170 : 15 espèces reliées par 14 interactions GloBI sur 2 types (connectance 9.2%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
14
Connectance
0.091
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°

26,2°C

Annual rain

1 331mm

Moisture idx (CMI)

-0,21

Runoff

652mm/an

PET

1 689mm

AET

1 036mm

Mean slope

2,1°

Water table

179cm

Forest

64%

Crops

59%

Urban

8%

Protected

18%

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