HydroBASINS lev08 watershed · #5080048260
Bassin de Yupna 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 4 administrative regions : Kabwum, Markham, Rai Coast, Tewae-Siassi
Sub-basin area
388,2km²
Upstream area
388,4km²
Discharge
17,2m³/s
Mean elev.
2 003m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 233.6 km²60.4% of basin
- Rai CoastMadang · Papua New Guinea136.9 km²35.4% of basin
- 10.4 km²2.7% of basin
- 5.7 km²1.5% of basin
1 intersecting protected areas
YUS
IUCN VIConservation Area
103.97 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
575 distinct species · 1 521 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 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 Yupna River : 3 espèces reliées par 2 interactions GloBI sur 2 types (connectance 66.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
16,9°C
Annual rain
2 486mm
Moisture idx (CMI)
0,45
Runoff
1 405mm/an
PET
1 365mm
AET
1 333mm
Mean slope
21,5°
Water table
719cm
Forest
79%
Crops
4%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)