Ontologia

HydroBASINS lev08 watershed · #4080015270

Bassin de Sông Nghèn

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 16 administrative regions : Ba Đồn, Bố Trạch, Can Lộc, Cẩm Xuyên, Cửa Lò +11

Coastal basin 23% lakePfafstetter: 44105100

Sub-basin area

2 582,3km²

Upstream area

2 582,3km²

Discharge

5,74m³/s

Mean elev.

61m

Administrative coverage

16 dept-equivalent regions (GADM L2)

8 more

1 intersecting protected areas

  • Ke Go

    IUCN IV

    Nature Reserve

    93.20 km² overlap

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

Species present

330 distinct species · 651 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

651 obs · 45 cellules
Obs. / cellule
≥ 120
36–119
11–35
6–10
< 6

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

Ecological tissue

Sample of 48 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 Nghèn : 42 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 5 types (connectance 4.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
46
Connectance
0.041
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°

24,7°C

Annual rain

2 429mm

Moisture idx (CMI)

0,44

Runoff

1 455mm/an

PET

1 329mm

AET

1 159mm

Mean slope

4,4°

Water table

182cm

Forest

10%

Crops

77%

Urban

18%

Protected

4%

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