Ontologia

HydroBASINS lev08 watershed · #4080020450

Bassin de Kallang 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 : Johor Baharu, Pontian

Coastal basin 12% lakePfafstetter: 44405555

Sub-basin area

905,8km²

Upstream area

905,8km²

Discharge

6,53m³/s

Mean elev.

17m

Administrative coverage

2 dept-equivalent regions (GADM L2)

4 intersecting protected areas

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

Species present

10 015 distinct species · 1 519 731 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 519 731 obs · 23 cellules
Obs. / cellule
≥ 351 954
132 319–351 953
92 722–132 318
27 353–92 721
< 27 353

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

Ecological tissue

Sample of 30 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 Kallang River : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
29
Connectance
0.067
Patrimoniales
2
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°

26,9°C

Annual rain

2 422mm

Moisture idx (CMI)

0,35

Runoff

1 312mm/an

PET

1 570mm

AET

1 570mm

Mean slope

1,3°

Water table

36cm

Forest

8%

Crops

37%

Urban

66%

Protected

4%

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