HydroBASINS lev08 watershed · #4081102060
Bassin de ลำน้ำยัง
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 21 administrative regions : Amphoe Muang Yasothon, Amphoe Sai Mun, Dong Luang, Huai Phung, K. Don Chan +16
Sub-basin area
4 019,9km²
Upstream area
4 019,9km²
Discharge
50,86m³/s
Mean elev.
189m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
21 dept-equivalent regions (GADM L2)
- 778.0 km²19.4% of basin
- 586.3 km²14.6% of basin
- 507.8 km²12.7% of basin
- 454.5 km²11.3% of basin
- 347.0 km²8.7% of basin
- 217.3 km²5.4% of basin
- 210.1 km²5.2% of basin
- 206.3 km²5.1% of basin
13 moreFull L2 list
- Moei Wadi172.4 km² · 4.3%
- Na Mon152.8 km² · 3.8%
- Amphoe Sai Mun125.8 km² · 3.1%
- Somdet86.6 km² · 2.2%
- Amphoe Muang Yasothon76.0 km² · 1.9%
- Nong Sung38.7 km² · 1.0%
- Dong Luang17.5 km² · 0.4%
- Phu Phan11.2 km² · 0.3%
- Khamcha-i9.9 km² · 0.2%
- Tao Ngoi4.3 km² · 0.1%
- Pho Chai3.1 km² · 0.1%
- Loeng Nok Tha0.5 km² · 0.0%
- K. Don Chan0.0 km² · 0.0%
2 intersecting protected areas
Phu Phan
IUCN IINational Park
71.42 km² overlap
Phu Sithan
IUCN IaWildlife Sanctuary
47.61 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
352 distinct species · 4 070 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 ลำน้ำยัง : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 10 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 437mm
Moisture idx (CMI)
-0,14
Runoff
419mm/an
PET
1 676mm
AET
997mm
Mean slope
1,6°
Water table
89cm
Forest
9%
Crops
47%
Urban
2%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)