Rivière· 60 segments

永定河

Crosses 5 administrative regions : Baoding, Beijing, Langfang, Tianjin, Zhangjiakou

rivière

Total length

409km

Max discharge

38m³/s

Max Strahler

Segments matched

River geography5 admin regions · 0 communes

Parent watershed

hybas-40804778601777 km²

5 administrative regions crossed (GADM L2)

Beijing
Beijing · China
123.6 km
in this dpt
Zhangjiakou
Hebei · China
60.3 km
in this dpt
Langfang
Hebei · China
55.8 km
in this dpt
Tianjin
Tianjin · China
21.1 km
in this dpt
Baoding
Hebei · China
0.9 km
in this dpt

1 page = 1 named river (aggregation of 60 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

128 distinct species · 720 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de 永定河 : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.114

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)