Ontologia

HydroBASINS lev08 watershed · #1080698690

Bassin de Goulbi Zandam

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 : Batagarawa, Batsari, Jibia, Kaita, Katsina +1

Pfafstetter: 14246260

Sub-basin area

584,9km²

Upstream area

584,9km²

Discharge

0,63m³/s

Mean elev.

491m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Goulbi Zandam233 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

6 dept-equivalent regions (GADM L2)

5 intersecting protected areas

  • Barawa

    IUCN Not Reported

    Forest Reserve

    54.94 km² overlap

  • Nasarawa

    IUCN Not Reported

    Forest Reserve

    10.82 km² overlap

  • Yangaiya

    IUCN Not Reported

    Forest Reserve

    9.10 km² overlap

  • Rafin Hill

    IUCN Not Reported

    Forest Reserve

    8.42 km² overlap

  • Kurmayai

    IUCN Not Reported

    Forest Reserve

    3.16 km² overlap

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

Species present

137 distinct species · 412 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

412 obs · 13 cellules
Obs. / cellule
≥ 232
36–231
33–35
13–32
< 13

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

Ecological tissue

Sample of 27 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 Goulbi Zandam : 25 espèces reliées par 23 interactions GloBI sur 2 types (connectance 6.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
23
Connectance
0.061
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

604mm

Moisture idx (CMI)

-0,69

Runoff

41mm/an

PET

1 978mm

AET

509mm

Mean slope

0,8°

Water table

150cm

Forest

0%

Crops

93%

Urban

16%

Protected

15%

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