County · PRK
Ŏrang
North Korea
Species observed
364
Observations
633
Area
1 931,2km²
Ecological tissue
Sample of 5 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).
Indicateurs du tissu écologique
Tissu écologique de Ŏrang : 3 espèces reliées par 4 interactions GloBI sur 3 types (connectance 40.0%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
364 distinct species · 633 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
4,7°C
Annual rain
886mm
Warmest m°
22,2°C
Coldest m°
-18,2°C
Elevation: 806 m on average (min -70 m, max 2 262 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
48,6g/kg
Clay
23,6%
Sand
39,8%
Silt
36,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 2 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
344,1km
Lake surface here
8,91km²
Basins crossed
7
Max stream order
4
Max drainage
2 335km²
Discharge in basins
9,7m³/s
Mean precip.
769mm/an
Mean T°
4,3°C
Moisture idx
-0,01
Max snow
27%
Mean runoff
213mm/an
Mean elev. (basins)
705m
Watersheds crossing here
- Bassin de 어랑천sub-area2 013,1 km²overlap1254.12 km²65%
- Bassin de 주남천sub-area461,7 km²overlap441.51 km²23%
- Bassin de 남대천sub-area1 371,7 km²overlap75.34 km²4%
- Bassin de 보촌천sub-area410,7 km²overlap67.64 km²4%
- Bassin de 보로천sub-area795,3 km²overlap56.70 km²3%
- Bassin de 연면수sub-area1 658 km²overlap27.71 km²1%
- Bassin de 서두수sub-area2 334,7 km²overlap8.11 km²0%
Lakes (2, top by area)
Rivers / streams (12, ord ≥ 4)
- 어랑천ord 3len here128.65 km97%total133 km
- 명간천ord 4len here51.69 km54%total96 km
- 학산덕천ord 2len here36.58 km100%total37 km
- 주남천ord 3len here32.79 km99%total33 km
- 주북천ord 2len here26.83 km100%total27 km
- 대포천ord 2len here25.39 km100%total25 km
- 장연천ord 4len here16.57 km100%total17 km
- 천상직천ord 1len here9.09 km100%total9 km
- 장흥천ord 2len here7.63 km26%total29 km
- Taep'o-ch'onord 2len here6.60 km100%total7 km
- 보로천ord 3len here1.25 km1%total87 km
- Sosam-ch'onord 1len here1.04 km100%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
8,5%
Pesticides
55,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)