Ontologia

HydroBASINS lev08 watershed · #1081529050

Bassin de Ugab

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 : Daures, Khorixas

Pfafstetter: 12806013

Sub-basin area

1 677,2km²

Upstream area

26 083km²

Discharge

0,3m³/s

Mean elev.

700m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Ugab1886 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Tsiseb

    IUCN Not Reported

    Communal Conservancy

    900.37 km² overlap

  • Doro nawas

    IUCN Not Reported

    Communal Conservancy

    438.77 km² overlap

  • Sorris Sorris

    IUCN Not Reported

    Communal Conservancy

    333.46 km² overlap

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

Species present

480 distinct species · 6 394 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 394 obs · 39 cellules
Obs. / cellule
≥ 5 182
81–5 181
27–80
18–26
< 18

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

Ecological tissue

Sample of 28 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 Ugab : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 7.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
29
Connectance
0.077
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°

20,8°C

Annual rain

102mm

Moisture idx (CMI)

-0,94

Runoff

22mm/an

PET

1 704mm

AET

84mm

Mean slope

7,2°

Water table

1 019cm

Forest

0%

Crops

0%

Urban

0%

Protected

100%

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