Ontologia

HydroBASINS lev08 watershed · #1080984190

Bassin de Jamieson 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 3 administrative regions : Ethiope West, Ika South, Orhionmwon

Pfafstetter: 14301086

Sub-basin area

740,6km²

Upstream area

740,6km²

Discharge

36,72m³/s

Mean elev.

84m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Benin River340 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Sapoba

    IUCN Not Reported

    Forest Reserve

    300.68 km² overlap

  • Usonigbe

    IUCN Not Reported

    Forest Reserve

    42.40 km² overlap

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

Species present

285 distinct species · 735 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

735 obs · 16 cellules
Obs. / cellule
≥ 159
136–158
60–135
34–59
< 34

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

Ecological tissue

Sample of 22 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 Jamieson River : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
20
Connectance
0.087
Patrimoniales
1
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

2 134mm

Moisture idx (CMI)

0,25

Runoff

1 549mm/an

PET

1 587mm

AET

1 199mm

Mean slope

0,6°

Water table

27cm

Forest

22%

Crops

66%

Urban

4%

Protected

47%

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