HydroBASINS lev08 watershed · #4080018520
Bassin de Huay Yang
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 5 administrative regions across 2 countries : Bang Saphan, Kui Buri, Mergui, Muang Prachuap Khiri Khan, Thap Sakae
Sub-basin area
1 744,3km²
Upstream area
1 744,3km²
Discharge
2,56m³/s
Mean elev.
139m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 825.7 km²47.5% of basin
- Thap Sakae530.9 km²30.6% of basin
- 278.1 km²16.0% of basin
- Kui Buri31.8 km²1.8% of basin
- Mergui26.5 km²1.5% of basin
4 intersecting protected areas
Kuiburi
IUCN IINational Park
188.10 km² overlap
Namtok Huai Yang
IUCN IINational Park
158.26 km² overlap
Kaeng Krachan Forest Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
124.85 km² overlap
Hat Wanakon
IUCN IIMarine National Park
2.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 251 distinct species · 10 624 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Huay Yang : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 24 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 7 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°
26,4°C
Annual rain
1 492mm
Moisture idx (CMI)
-0,06
Runoff
518mm/an
PET
1 577mm
AET
1 121mm
Mean slope
5,6°
Water table
228cm
Forest
21%
Crops
30%
Urban
5%
Protected
22%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)