Heilongjiang Hadong Yanjiang Wetlands
IUCN IbWetland of International Importance (Ramsar Site) · 2020
97 km²
Commune · CHN
Hulan
China
DwaCold, dry winter, hot summer(100 %)
Species observed
204
Observations
350
Area
2 624,3km²
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 Hulan : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 4 types (connectance 13.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
43
Connectance
0.132
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
204 distinct species · 350 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
4,2°C
Annual rain
552mm
Warmest m°
26,8°C
Coldest m°
-25,2°C
Elevation: 136 m on average (min 111 m, max 179 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
4,2°C
Annual rain
552mm
Warmest month
26,8°C
Coldest month
-25,2°C
Mean alt.
136m
Min
111m
Max
179m
Std. dev.
18m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
30,3g/kg
Clay
34,4%
Sand
21,7%
Silt
43,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Harbin
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
39,4g/kg
Clay
33,8%
Sand
22,1%
Silt
44,1%
5–15 cm
pH H₂O
6,8
Org. C
29,1g/kg
Clay
33,9%
Sand
21,8%
Silt
44,3%
15–30 cm
pH H₂O
6,8
Org. C
22,4g/kg
Clay
35,6%
Sand
21,2%
Silt
43,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.6%
Crops53.3%
Built-up1.7%
Bare soil0.8%
Other (grassland, water…)39.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 7 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
276,2km
Lake surface here
12,86km²
Basins crossed
10
Max stream order
8
Max drainage
440 114km²
Discharge in basins
3 175,7m³/s
Mean precip.
553mm/an
Mean T°
3,0°C
Moisture idx
-0,33
Max snow
23%
Mean runoff
143mm/an
Mean elev. (basins)
144m
Watersheds crossing here
- Bassin de 呼兰河sub-area751 km²overlap736.71 km²28%
- Bassin de 泥河sub-area1 754,8 km²overlap436.07 km²17%
- Bassin de 肇兰新河sub-area1 200,1 km²overlap411.88 km²16%
- Bassin de 松花江sub-area428,9 km²overlap340.13 km²13%
- Bassin de 少陵河sub-area2 456,2 km²overlap331.40 km²13%
- Bassin de 松花江sub-area542,7 km²overlap330.63 km²13%
- Bassin de 松花江sub-area63 km²overlap20.79 km²1%
- Bassin de 松花江sub-area33,7 km²overlap8.88 km²0%
- Bassin de 松花江sub-area2 062 km²overlap7.79 km²0%
1 more basinssorted by overlap
Lakes (7, top by area)
Rivers / streams (8, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
1,0nW
Built-up
172,9%
Pesticides
76,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Ib · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN