Ontologia

HydroBASINS lev08 watershed · #1081544660

Bassin de Otjosazu

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 2 administrative regions : Omatako, Windhoek Rural

Pfafstetter: 12804096

Sub-basin area

457,6km²

Upstream area

457,6km²

Discharge

0,14m³/s

Mean elev.

1 655m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Ovitoto

    IUCN Not Reported

    Communal Conservancy

    322.62 km² overlap

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

Species present

306 distinct species · 740 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

740 obs · 10 cellules
Obs. / cellule
≥ 385
385–384
120–384
36–119
< 36

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

Ecological tissue

Sample of 38 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 Otjosazu : 34 espèces reliées par 35 interactions GloBI sur 3 types (connectance 5.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
35
Connectance
0.050
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°

18,8°C

Annual rain

432mm

Moisture idx (CMI)

-0,76

Runoff

13mm/an

PET

1 771mm

AET

364mm

Mean slope

4,2°

Water table

890cm

Forest

0%

Crops

3%

Urban

0%

Protected

71%

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