Ontologia

HydroBASINS lev08 watershed · #7080352440

Bassin de Saint Louis River

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 1 administrative regions : Saint Louis

29% lakePfafstetter: 72599907

Sub-basin area

1 033,1km²

Upstream area

2 562,9km²

Discharge

36,96m³/s

Mean elev.

422m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

5 intersecting protected areas

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

Species present

1 936 distinct species · 301 369 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

301 369 obs · 27 cellules
Obs. / cellule
≥ 112 730
36 424–112 729
1 590–36 423
786–1 589
< 786

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

Ecological tissue

Sample of 33 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 Saint Louis River : 23 espèces reliées par 92 interactions GloBI sur 4 types (connectance 16.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
92
Connectance
0.164
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°

3,1°C

Annual rain

696mm

Moisture idx (CMI)

-0,14

Runoff

542mm/an

PET

807mm

AET

589mm

Mean slope

1,0°

Water table

22cm

Forest

49%

Crops

4%

Urban

1%

Protected

1%

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