Prefecture City · CHN
Langfang
China
Species observed
341
Observations
1 368
Area
6 397,7km²
Ecological tissue
Sample of 44 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 Langfang : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 6 types (connectance 7.6%, filtre Serrano α=0.2). 12 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
341 distinct species · 1 368 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,4°C
Annual rain
552mm
Warmest m°
31,5°C
Coldest m°
-7,9°C
Elevation: 12 m on average (min 1 m, max 319 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
10,5g/kg
Clay
21,9%
Sand
37,6%
Silt
40,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
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)
Hydrology25 basins · 0 lakes · 47 rivers
Hydrology metrics for this exact territory
Stream length here
941,0km
Basins crossed
25
Max stream order
7
Max drainage
139 831km²
Discharge in basins
288,2m³/s
Mean precip.
528mm/an
Mean T°
12,2°C
Moisture idx
-0,50
Max snow
1%
Mean runoff
34mm/an
Mean elev. (basins)
42m
Watersheds crossing here
- Bassin de 南水北调中线天津干线sub-area1 663,1 km²overlap1271.98 km²20%
- Bassin de 永定河sub-area1 776,7 km²overlap701.84 km²11%
- Bassin de 子牙河sub-area1 874 km²overlap520.51 km²8%
- Bassin de 鲍邱河sub-area565,3 km²overlap483.19 km²8%
- Bassin de 太平河sub-area462,3 km²overlap457.30 km²7%
- Bassin de 龙河sub-area2 449,1 km²overlap447.83 km²7%
- Basin #90970sub-area302,8 km²overlap303.00 km²5%
- Bassin de 泃河sub-area2 066,7 km²overlap245.94 km²4%
- Bassin de 大清河sub-area249,2 km²overlap223.30 km²3%
16 more basinssorted by overlap
- Bassin de 小白河sub-area218,2 km²overlap218.43 km²3%
- Bassin de 任河大干渠sub-area1 074,3 km²overlap206.75 km²3%
- Bassin de 赵王新河sub-area313,1 km²overlap198.05 km²3%
- Bassin de 任文干渠sub-area365,1 km²overlap187.49 km²3%
- Bassin de 牤牛河sub-area682,4 km²overlap162.41 km²3%
- Bassin de 潮白新河sub-area371,6 km²overlap160.98 km²3%
- Bassin de 潮白河sub-area2 469,7 km²overlap150.52 km²2%
- Bassin de 青龙湾河sub-area563,9 km²overlap112.51 km²2%
- Bassin de 子牙河sub-area123,2 km²overlap111.74 km²2%
- Bassin de 中泓故道sub-area252,9 km²overlap68.48 km²1%
- Bassin de 北运河sub-area346 km²overlap58.79 km²1%
- Bassin de 大清河sub-area298,7 km²overlap46.53 km²1%
- Bassin de 白沟河sub-area565,6 km²overlap37.96 km²1%
- Bassin de 黑龙港河sub-area1 042,7 km²overlap12.61 km²0%
- Bassin de 北运河sub-area879,5 km²overlap8.05 km²0%
- Bassin de 引秃入漳sub-area402,2 km²overlap1.54 km²0%
Rivers / streams (47, ord ≥ 4)
- 南水北调中线天津干线ord 7len here108.20 km48%total227 km
- 鲍邱河ord 3len here66.24 km94%total70 km
- 大清河ord 7len here63.58 km48%total133 km
- 龙河ord 3len here57.92 km84%total69 km
- 永定河ord 6len here55.78 km21%total262 km
- 牤牛河ord 2len here52.27 km65%total80 km
- 子牙河ord 7len here46.60 km51%total92 km
- 泃河ord 4len here42.72 km19%total228 km
- 任河大干渠ord 4len here39.66 km85%total47 km
- 小白河ord 4len here32.32 km35%total92 km
- 中干渠ord 3len here31.82 km71%total45 km
- 太平河ord 2len here27.88 km51%total54 km
35 more river segmentssorted by Strahler order + length
- 固清界沟ord 2len here26.58 km100%total27 km
- 中亭河ord 4len here23.68 km86%total27 km
- 故北机排渠ord 2len here23.00 km100%total23 km
- 永金渠ord 2len here21.51 km100%total21 km
- 赵王新河ord 6len here19.60 km75%total26 km
- 文毕干渠ord 6len here15.93 km100%total16 km
- 东干渠ord 1len here14.45 km100%total14 km
- 虹江河ord 2len here13.89 km100%total14 km
- 任文干渠ord 4len here12.96 km31%total42 km
- 潮白河ord 4len here12.88 km63%total20 km
- 北运河ord 6len here11.45 km8%total149 km
- 黄泥河ord 3len here10.75 km100%total11 km
- 白沟河ord 5len here10.56 km14%total78 km
- 幸福渠ord 2len here8.91 km100%total9 km
- 王泊自排渠ord 1len here8.89 km100%total9 km
- 武河ord 4len here8.66 km57%total15 km
- 五干渠ord 3len here7.59 km100%total8 km
- 潮白河ord 5len here7.44 km6%total116 km
- 子牙新河ord 6len here7.19 km7%total103 km
- 红娘港一支ord 1len here5.82 km100%total6 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
- 蒲池河ord 2len here5.32 km100%total5 km
- 北泓故道ord 1len here4.91 km100%total5 km
- 潮白新河ord 4len here4.58 km4%total108 km
- 引泃入潮ord 3len here3.54 km94%total4 km
- 友谊河ord 2len here3.46 km12%total28 km
- 北村总干渠ord 6len here3.10 km88%total4 km
- 任河大东支ord 1len here2.04 km11%total19 km
- 青龙湾河ord 2len here1.87 km4%total45 km
- 仓尚河ord 2len here1.29 km3%total39 km
- 小龙河ord 2len here1.26 km3%total48 km
- 幸福河ord 1len here0.88 km99%total1 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
5hab/km²
Night light
4,3nW
Built-up
596,4%
Pesticides
70,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)