National Park · tha
Si Nan
- Area
- 998 km²
- IUCN cat.
- II
- Year
- 2007
Overview
- Designation
- National Park
- IUCN category
- II · Parc national
Écosystèmes préservés + récréation grand public
- Established
- 2007
- Managing authority
- Department of National Park, Wildlife and Plant Conservation Office of National Park
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
178 distinct species · 322 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Si Nan : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 1 bulle famille, 16 interactions GloBI documentées sur 2 types (connectance 5.8%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
138,7km
Lake surface here
13,84km²
Basins crossed
6
Max stream order
5
Max drainage
11 676km²
Discharge in basins
159,3m³/s
Mean precip.
1 253mm/an
Mean T°
24,7°C
Moisture idx
-0,27
Mean runoff
323mm/an
Mean elev. (basins)
480m
Watersheds crossing here
- Bassin de แม่น้ำน่านsub-area751,4 km²overlap427.39 km²43%
- Bassin de แม่น้ำน่านsub-area664,2 km²overlap408.21 km²41%
- Bassin de ห้วยขามsub-area222,5 km²overlap73.15 km²7%
- Bassin de ห้วยน้ำแหงsub-area1 025,8 km²overlap72.70 km²7%
- Bassin de แม่น้ำปาดsub-area2 499,5 km²overlap12.77 km²1%
- Bassin de ນຳ້ພູນsub-area1 979,3 km²overlap3.68 km²0%
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 18.25982, 100.85864
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.