HydroBASINS lev08 watershed · #5080082560
Bassin de Wairaurahiri 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 1 administrative regions : Southland
Sub-basin area
717,1km²
Upstream area
717,1km²
Discharge
44,9m³/s
Mean elev.
630m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- SouthlandSouthland · New Zealand718.7 km²100.0% of basin
10 intersecting protected areas
Te Wahipounamu – South West New Zealand
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
713.29 km² overlap
Fiordland National Park
IUCN IINational Park
706.95 km² overlap
Dean Forest
IUCN IIIStewardship Area
3.84 km² overlap
Lillburn
IUCN IIIEcological Area
3.54 km² overlap
Rowallan Forest
IUCN IIIStewardship Area
1.85 km² overlap
Waitutu Block
IUCN IIConservation Covenant
1.37 km² overlap
Conservation Covenant
1.15 km² overlap
Waikoau
IUCN IIIEcological Area
0.88 km² overlap
Wairarahiri, Waitutu
IUCN IIIStewardship Area
0.15 km² overlap
1 more protected areassorted by overlap area
Main Coast Road, Waitutu
IUCN IIIStewardship Area
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 122 distinct species · 11 019 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Wairaurahiri River : 40 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 4 types (connectance 6.7%, filtre Serrano α=0.2). 5 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°
6,8°C
Annual rain
1 833mm
Moisture idx (CMI)
0,58
Runoff
1 914mm/an
PET
746mm
AET
741mm
Mean slope
21,3°
Water table
764cm
Forest
56%
Crops
0%
Urban
0%
Protected
99%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)