Sanctuary of Migratory Birds at Nakdonggang River Estuary
IUCN IVNatural Monument · 1966
87 km²
Commune · KOR
Hadan 2(i)
South Korea
CwaTemperate, dry winter, hot summer(100 %)
Species observed
508
Observations
13 490
Area
5,8km²
Ecological tissue
Sample of 33 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 Hadan 2(i) : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 62 interactions GloBI sur 3 types (connectance 11.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
62
Connectance
0.117
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
508 distinct species · 13 490 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,9°C
Annual rain
1 418mm
Warmest m°
27,3°C
Coldest m°
0,2°C
Elevation: 23 m on average (min 0 m, max 147 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,9°C
Annual rain
1 418mm
Warmest month
27,3°C
Coldest month
0,2°C
Mean alt.
23m
Min
0m
Max
147m
Std. dev.
41m
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
5,8
Org. C
23,9g/kg
Clay
29,7%
Sand
44,4%
Silt
25,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Saha
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
36,1g/kg
Clay
30,6%
Sand
43,3%
Silt
26,0%
5–15 cm
pH H₂O
5,8
Org. C
21,0g/kg
Clay
29,9%
Sand
44,4%
Silt
25,6%
15–30 cm
pH H₂O
5,8
Org. C
14,5g/kg
Clay
28,7%
Sand
45,6%
Silt
25,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.5%
Crops7.0%
Built-up5.9%
Bare soil1.7%
Other (grassland, water…)66.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
1,0km
Basins crossed
2
Max stream order
1
Max drainage
969km²
Discharge in basins
0,1m³/s
Mean precip.
1 395mm/an
Mean T°
14,1°C
Moisture idx
0,30
Max snow
2%
Mean runoff
612mm/an
Mean elev. (basins)
61m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
26hab/km²
Night light
22,6nW
Built-up
593,4%
Pesticides
58,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN IV · 2🌊 Marine · 2
Nakdonggang Estuary
IUCN IVWetland Protected Area · 1999
38 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN