HydroBASINS lev08 watershed · #4081083300
Bassin de ห้วยยายโฑ
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 3 administrative regions : Si Satchanalai, Thoen, Thung Saliam
Sub-basin area
478,5km²
Upstream area
478,5km²
Discharge
1,55m³/s
Mean elev.
242m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 393.8 km²82.6% of basin
- 79.9 km²16.8% of basin
- 3.3 km²0.7% of basin
2 intersecting protected areas
Sri Satchanalai
IUCN IINational Park
93.65 km² overlap
Tham Chao Ram
IUCN IaWildlife Sanctuary
48.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
319 distinct species · 5 563 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 ห้วยยายโฑ : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 3 types (connectance 7.3%, filtre Serrano α=0.2). 4 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°
26,8°C
Annual rain
1 123mm
Moisture idx (CMI)
-0,37
Runoff
104mm/an
PET
1 769mm
AET
939mm
Mean slope
7,0°
Water table
372cm
Forest
31%
Crops
24%
Urban
3%
Protected
30%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)