Ontologia

HydroBASINS lev08 watershed · #4080014880

Bassin de Sông Lạch Tray

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 12 administrative regions : An Dương, An Lão, Dương Kinh, Hải An, Hồng Bàng +7

Coastal basin 6% lakePfafstetter: 43670799

Sub-basin area

345,2km²

Upstream area

345,2km²

Discharge

0,25m³/s

Mean elev.

4m

Administrative coverage

12 dept-equivalent regions (GADM L2)

4 more

1 intersecting protected areas

  • Do Son

    IUCN V

    Cultural and Historical Site

    15.45 km² overlap

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

Species present

73 distinct species · 117 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

117 obs · 7 cellules
Obs. / cellule
≥ 41
41–40
14–40
12–13
< 12

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

Ecological tissue

Sample of 24 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 Lạch Tray : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 2 types (connectance 8.0%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
22
Connectance
0.080
Patrimoniales
1
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°

24,2°C

Annual rain

1 672mm

Moisture idx (CMI)

0,27

Runoff

802mm/an

PET

1 226mm

AET

1 019mm

Mean slope

0,3°

Water table

13cm

Forest

0%

Crops

87%

Urban

64%

Protected

4%

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