Ontologia

HydroBASINS lev08 watershed · #4081026480

Bassin de Sông Đuống

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 11 administrative regions : Bắc Ninh, Gia Bình, Gia Lâm, Long Biên, Lương Tài +6

2% lakePfafstetter: 43670820

Sub-basin area

510km²

Upstream area

510,2km²

Discharge

13,2m³/s

Mean elev.

7m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

11 dept-equivalent regions (GADM L2)

3 more

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

Species present

144 distinct species · 311 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

311 obs · 15 cellules
Obs. / cellule
≥ 94
69–93
20–68
8–19
< 8

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

Ecological tissue

Sample of 45 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 Sông Đuống : 42 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 5 types (connectance 3.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
34
Connectance
0.034
Patrimoniales
2
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°

23,9°C

Annual rain

1 637mm

Moisture idx (CMI)

0,21

Runoff

822mm/an

PET

1 293mm

AET

1 055mm

Mean slope

0,2°

Water table

8cm

Forest

0%

Crops

88%

Urban

75%

Protected

0%

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