Thac Ba
IUCN VCultural and Historical Site · 1986
161 km²
District · VNM
Hàm Yên
Vietnam
CwaTemperate, dry winter, hot summer(100 %)
Species observed
52
Observations
159
Area
901,1km²
Ecological tissue
Sample of 17 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 Hàm Yên : 15 espèces reliées par 11 interactions GloBI sur 4 types (connectance 8.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
17
Interactions affichées
11
Connectance
0.081
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
52 distinct species · 159 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
23,2°C
Annual rain
2 503mm
Warmest m°
30,7°C
Coldest m°
12,4°C
Elevation: 203 m on average (min 39 m, max 1 156 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
23,2°C
Annual rain
2 503mm
Warmest month
30,7°C
Coldest month
12,4°C
Mean alt.
203m
Min
39m
Max
1 156m
Std. dev.
179m
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
5,5
Org. C
25,4g/kg
Clay
32,5%
Sand
28,8%
Silt
38,7%
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
5,5
Org. C
34,3g/kg
Clay
31,8%
Sand
29,8%
Silt
38,4%
5–15 cm
pH H₂O
5,5
Org. C
26,2g/kg
Clay
31,7%
Sand
29,4%
Silt
39,0%
15–30 cm
pH H₂O
5,5
Org. C
15,7g/kg
Clay
34,0%
Sand
27,3%
Silt
38,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest61.3%
Crops8.1%
Built-up0.4%
Bare soil1.3%
Other (grassland, water…)29.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
103,7km
Lake surface here
0,19km²
Basins crossed
7
Max stream order
6
Max drainage
27 798km²
Discharge in basins
322,1m³/s
Mean precip.
1 782mm/an
Mean T°
22,7°C
Moisture idx
0,24
Mean runoff
1 130mm/an
Mean elev. (basins)
214m
Watersheds crossing here
- Bassin de Sông Lôsub-area1 033,1 km²overlap809.01 km²90%
- Bassin de Sông Lôsub-area1 743,2 km²overlap79.31 km²9%
- Bassin de Sông Chảysub-area806,8 km²overlap6.11 km²1%
- Bassin de Ngòi Biếcsub-area330 km²overlap4.47 km²0%
- Basin #03490sub-area731,5 km²overlap1.30 km²0%
- Bassin de Sông Lôsub-area647,1 km²overlap0.69 km²0%
- Bassin de Sông Consub-area1 409,6 km²overlap0.18 km²0%
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
38,8%
Pesticides
8,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1
Cham Chu
IUCN Not ReportedNature Reserve · 2001
155 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN