Ontologia

HydroBASINS lev08 watershed · #1081200740

Bassin · #1081200740

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 1 administrative regions : Ngorongoro

EndorheicPfafstetter: 11520524

Sub-basin area

1 320,6km²

Upstream area

1 321km²

Discharge

2m³/s

Mean elev.

1 574m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #10812004406 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

  • Ngorongoro
    Arusha · Tanzania
    1314.8 km²
    100.0% of basin

5 intersecting protected areas

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

Species present

260 distinct species · 595 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

595 obs · 24 cellules
Obs. / cellule
≥ 246
66–245
16–65
3–15
< 3

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

Ecological tissue

Sample of 22 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 · #1081200740 : 19 espèces reliées par 23 interactions GloBI sur 2 types (connectance 10.0%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
23
Connectance
0.100
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°

19,4°C

Annual rain

641mm

Moisture idx (CMI)

-0,56

Runoff

64mm/an

PET

1 527mm

AET

537mm

Mean slope

4,7°

Water table

356cm

Forest

1%

Crops

3%

Urban

0%

Protected

58%

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