HydroBASINS lev08 watershed · #4080020490
Bassin de Sungai Pontian Kechil
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 : Kulaijaya, Pontian
Sub-basin area
330,4km²
Upstream area
330,4km²
Discharge
12,21m³/s
Mean elev.
12m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 308.8 km²93.9% of basin
- 1.0 km²0.3% of basin
3 intersecting protected areas
Pulau Kukup National Park
IUCN IIState Park
6.29 km² overlap
Tanjong Piai National Park
IUCN IIState Park
2.87 km² overlap
Gunung Pulai
IUCN VIForest Reserve
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
298 distinct species · 1 541 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Sungai Pontian Kechil : 35 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 3 types (connectance 4.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,6°C
Annual rain
2 528mm
Moisture idx (CMI)
0,35
Runoff
1 251mm/an
PET
1 654mm
AET
1 654mm
Mean slope
0,5°
Water table
9cm
Forest
29%
Crops
34%
Urban
11%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)