Ontologia

HydroBASINS lev08 watershed · #1080850980

Bassin · #1080850980

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 : Abaji, Agaie, Gurara, Katcha, Lapai +1

Pfafstetter: 14233084

Sub-basin area

2 012,4km²

Upstream area

2 012,4km²

Discharge

24,28m³/s

Mean elev.

239m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

6 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Anfani

    IUCN Not Reported

    Forest Reserve

    62.84 km² overlap

  • Bonu

    IUCN Not Reported

    Forest Reserve

    35.29 km² overlap

  • Ewun Rafia

    IUCN Not Reported

    Forest Reserve

    16.64 km² overlap

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

Species present

228 distinct species · 960 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

960 obs · 22 cellules
Obs. / cellule
≥ 172
102–171
63–101
38–62
< 38

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

Ecological tissue

Sample of 25 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 · #1080850980 : 22 espèces reliées par 19 interactions GloBI sur 3 types (connectance 6.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
19
Connectance
0.063
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°

27,3°C

Annual rain

1 240mm

Moisture idx (CMI)

-0,33

Runoff

383mm/an

PET

1 857mm

AET

937mm

Mean slope

1,5°

Water table

119cm

Forest

5%

Crops

23%

Urban

2%

Protected

6%

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