Nature Reserve · vnm
Na Hang
- Area
- 239 km²
- IUCN cat.
- IV
- Year
- 1994
Overview
- Designation
- Nature Reserve
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1994
- Managing authority
- People's Committee of Tuyen Quang
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
14 distinct species · 51 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 Na Hang : 2 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
27,1km
Basins crossed
3
Max stream order
6
Max drainage
13 592km²
Discharge in basins
46,9m³/s
Mean precip.
1 685mm/an
Mean T°
21,2°C
Moisture idx
0,23
Mean runoff
914mm/an
Mean elev. (basins)
509m
Watersheds crossing here
Rivers / streams (2, 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
- 22.32729, 105.44442
- 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.