Ontologia

District · VNM

Hải Hà

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

159

Observations

200

Area

460km²

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Hải Hà : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 2 types (connectance 5.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
15
Connectance
0.054
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

159 distinct species · 200 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

200 obs · 7 cellules
Obs. / cellule
≥ 115
115–114
13–114
9–12
< 9

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

22,0°C

Annual rain

3 173mm

Warmest m°

29,1°C

Coldest m°

11,7°C

Elevation: 225 m on average (min -113 m, max 1 245 m)

Bioclimatic detailsExpert
Annual mean temp.
22,0°C
Annual rain
3 173mm
Warmest month
29,1°C
Coldest month
11,7°C
Mean alt.
225m
Min
-113m
Max
1 245m
Std. dev.
295m
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

34,0g/kg

Clay

32,0%

Sand

31,2%

Silt

36,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
49,9g/kg
Clay
30,7%
Sand
32,4%
Silt
37,0%
5–15 cm
pH H₂O
5,4
Org. C
31,0g/kg
Clay
31,2%
Sand
31,5%
Silt
37,3%
15–30 cm
pH H₂O
5,5
Org. C
21,1g/kg
Clay
34,2%
Sand
29,8%
Silt
36,0%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest56.7%
Crops9.6%
Built-up0.5%
Bare soil2.3%
Other (grassland, water…)30.9%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology5 basins · 7 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

25,4km

Lake surface here

2,44km²

Basins crossed

5

Max stream order

3

Max drainage

1 610km²

Discharge in basins

4,2m³/s

Mean precip.

2 257mm/an

Mean T°

22,4°C

Moisture idx

0,45

Mean runoff

1 232mm/an

Mean elev. (basins)

175m

Watersheds crossing here

Lakes (7, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

50,4%

Pesticides

9,4kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Sub-administrations6