Ontologia

HydroBASINS lev08 watershed · #4080013000

Bassin de 虎跳门水道

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 3 administrative regions : Jiangmen, Zhongshan, Zhuhai

Coastal basin 3% lakePfafstetter: 43670100

Sub-basin area

1 554,8km²

Upstream area

1 554,8km²

Discharge

13,79m³/s

Mean elev.

27m

Administrative coverage

3 dept-equivalent regions (GADM L2)

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

Species present

731 distinct species · 5 670 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 670 obs · 38 cellules
Obs. / cellule
≥ 1 025
496–1 024
74–495
49–73
< 49

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

Ecological tissue

Sample of 31 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 虎跳门水道 : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
40
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°

22,6°C

Annual rain

1 594mm

Moisture idx (CMI)

0,25

Runoff

1 201mm/an

PET

1 195mm

AET

1 040mm

Mean slope

3,7°

Water table

151cm

Forest

12%

Crops

56%

Urban

38%

Protected

4%

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