Ontologia

HydroBASINS lev08 watershed · #1081622870

Bassin de Black Umfolozi

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 : Umkhanyakude, Zululand

Pfafstetter: 12551062

Sub-basin area

3 548,8km²

Upstream area

3 548,9km²

Discharge

20,01m³/s

Mean elev.

603m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Mfolozi River1199 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

5 intersecting protected areas

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

Species present

2 858 distinct species · 67 073 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

67 073 obs · 86 cellules
Obs. / cellule
≥ 18 622
1 408–18 621
201–1 407
85–200
< 85

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

Ecological tissue

Sample of 14 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 Black Umfolozi : 12 espèces reliées par 12 interactions GloBI sur 3 types (connectance 13.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
12
Connectance
0.132
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

840mm

Moisture idx (CMI)

-0,40

Runoff

181mm/an

PET

1 401mm

AET

710mm

Mean slope

7,6°

Water table

517cm

Forest

89%

Crops

22%

Urban

1%

Protected

9%

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