Ontologia

HydroBASINS lev08 watershed · #2080445670

Bassin de Saar

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 5 administrative regions across 2 countries : Moselle, Neunkirchen, Regionalverband Saarbrücken, Saarlouis, Saarpfalz-Kreis

Pfafstetter: 23262025

Sub-basin area

1 092,2km²

Upstream area

4 729,2km²

Discharge

54,95m³/s

Mean elev.

267m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Klausbach86 km²

▲ Receives from 2 basins

5 dept-equivalent regions (GADM L2)

73 communes (GADM L5)

30 intersecting protected areas

21 more protected areas

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

Species present

6 499 distinct species · 288 448 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

288 448 obs · 49 cellules
Obs. / cellule
≥ 51 999
9 583–51 998
5 724–9 582
4 226–5 723
< 4 226

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

Ecological tissue

Sample of 55 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 Saar : 18 espèces reliées par 266 interactions GloBI sur 6 types (connectance 12.0%, filtre Serrano α=0.2). 49 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
67
Interactions affichées
266
Connectance
0.120
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°

9,3°C

Annual rain

762mm

Moisture idx (CMI)

-0,03

Runoff

322mm/an

PET

787mm

AET

585mm

Mean slope

4,5°

Water table

273cm

Forest

36%

Crops

13%

Urban

48%

Protected

25%

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