Huu Lien
IUCN IVNature Reserve · 2006
97 km²
District · VNM
Văn Quan
Vietnam
CwaTemperate, dry winter, hot summer(100 %)
Species observed
128
Observations
228
Area
548,4km²
Ecological tissue
Sample of 11 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Văn Quan : 11 espèces reliées par 7 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2).
Espèces affichées
11
Interactions affichées
7
Connectance
0.127
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
128 distinct species · 228 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,4°C
Annual rain
1 730mm
Warmest m°
29,4°C
Coldest m°
9,8°C
Elevation: 372 m on average (min 212 m, max 618 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
21,4°C
Annual rain
1 730mm
Warmest month
29,4°C
Coldest month
9,8°C
Mean alt.
372m
Min
212m
Max
618m
Std. dev.
76m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,7
Org. C
21,5g/kg
Clay
31,6%
Sand
23,9%
Silt
44,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
31,6g/kg
Clay
30,6%
Sand
24,5%
Silt
44,9%
5–15 cm
pH H₂O
5,7
Org. C
20,0g/kg
Clay
30,6%
Sand
24,3%
Silt
45,0%
15–30 cm
pH H₂O
5,7
Org. C
12,9g/kg
Clay
33,5%
Sand
22,8%
Silt
43,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest68.8%
Crops6.9%
Built-up0.4%
Bare soil0.5%
Other (grassland, water…)23.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
35,4km
Lake surface here
0,19km²
Basins crossed
5
Max stream order
4
Max drainage
3 099km²
Discharge in basins
37,2m³/s
Mean precip.
1 411mm/an
Mean T°
21,6°C
Moisture idx
0,08
Mean runoff
583mm/an
Mean elev. (basins)
362m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
38,3%
Pesticides
8,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN