Commune · CHN
Longfang
China
Species observed
119
Observations
299
Area
980,2km²
Ecological tissue
Sample of 39 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 Longfang : 28 espèces reliées par 61 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 11 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
119 distinct species · 299 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,3°C
Annual rain
569mm
Warmest m°
31,5°C
Coldest m°
-8,0°C
Elevation: 14 m on average (min 4 m, max 26 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
8,0
Org. C
10,6g/kg
Clay
19,8%
Sand
41,5%
Silt
38,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Langfang
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)
Hydrology4 basins · 0 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
138,4km
Basins crossed
4
Max stream order
6
Max drainage
139 831km²
Discharge in basins
33,3m³/s
Mean precip.
570mm/an
Mean T°
12,0°C
Moisture idx
-0,46
Max snow
1%
Mean runoff
38mm/an
Mean elev. (basins)
69m
Watersheds crossing here
Rivers / streams (11, ord ≥ 4)
- 龙河ord 3len here57.92 km84%total69 km
- 永定河ord 6len here30.12 km12%total262 km
- 南水北调中线天津干线ord 7len here13.66 km6%total227 km
- 故北机排渠ord 2len here10.88 km47%total23 km
- 五干渠ord 3len here7.59 km100%total8 km
- 永北干渠ord 1len here5.80 km75%total8 km
- 汊沽港镇六支干渠ord 2len here5.43 km29%total19 km
- 北泓故道ord 1len here4.91 km100%total5 km
- 小龙河ord 2len here1.26 km3%total48 km
- 凤河ord 4len here0.66 km1%total56 km
- 天堂河ord 1len here0.14 km1%total11 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
9,2nW
Built-up
615,7%
Pesticides
73,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)