Ontologia

HydroBASINS lev08 watershed · #4080511540

Bassin de 滹沱河

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 4 administrative regions : Baoding, Cangzhou, Hengshui, Shijiazhuang

14% lakePfafstetter: 43166700

Sub-basin area

2 556,5km²

Upstream area

25 585,7km²

Discharge

60,43m³/s

Mean elev.

63m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

4 dept-equivalent regions (GADM L2)

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

551 distinct species · 6 031 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 031 obs · 37 cellules
Obs. / cellule
≥ 4 592
109–4 591
49–108
13–48
< 13

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

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

Indicateurs du tissu écologique

Tissu écologique de Bassin de 滹沱河 : 19 espèces reliées par 48 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
48
Connectance
0.127
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

13,0°C

Annual rain

448mm

Moisture idx (CMI)

-0,61

Runoff

29mm/an

PET

1 152mm

AET

384mm

Mean slope

0,4°

Water table

42cm

Forest

4%

Crops

59%

Urban

57%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)