Ontologia

HydroBASINS lev08 watershed · #1080017180

Bassin de Orawab

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 : Arandis, Daures

Pfafstetter: 12805080

Sub-basin area

1 403,9km²

Upstream area

1 403,9km²

Discharge

0,88m³/s

Mean elev.

552m

Administrative coverage

2 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Tsiseb

    IUCN Not Reported

    Communal Conservancy

    1047.02 km² overlap

  • Dorob

    IUCN Not Reported

    National Park

    352.97 km² overlap

  • Cape Cross Seal Reserve

    IUCN IV

    National Park

    0.06 km² overlap

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

Species present

318 distinct species · 1 065 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 065 obs · 25 cellules
Obs. / cellule
≥ 454
108–453
41–107
7–40
< 7

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

Ecological tissue

Sample of 40 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 Orawab : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 3.6%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
28
Connectance
0.036
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°

20,1°C

Annual rain

62mm

Moisture idx (CMI)

-0,96

Runoff

22mm/an

PET

1 660mm

AET

50mm

Mean slope

1,7°

Water table

1 503cm

Forest

0%

Crops

0%

Urban

0%

Protected

100%

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