Ontologia

HydroBASINS lev08 watershed · #1081620750

Bassin de Harts River

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 : Dr Ruth Segomotsi Mompati, Frances Baard

49% lakePfafstetter: 12794109

Sub-basin area

470,8km²

Upstream area

27 042,2km²

Discharge

30,36m³/s

Mean elev.

1 114m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

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

Species present

573 distinct species · 7 632 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 632 obs · 11 cellules
Obs. / cellule
≥ 2 828
1 903–2 827
1 078–1 902
150–1 077
< 150

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

Ecological tissue

Sample of 27 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 Harts River : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
30
Connectance
0.086
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°

18,4°C

Annual rain

431mm

Moisture idx (CMI)

-0,75

Runoff

44mm/an

PET

1 704mm

AET

363mm

Mean slope

0,9°

Water table

367cm

Forest

0%

Crops

4%

Urban

0%

Protected

0%

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