HydroBASINS lev08 watershed · #2080494250
Bassin de Ergolz
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 9 administrative regions : Dorneck, Gösgen, Laufenburg, Liestal, Olten +4
Sub-basin area
283,4km²
Upstream area
283,6km²
Discharge
6,09m³/s
Mean elev.
577m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
9 dept-equivalent regions (GADM L2)
- Sissach112.1 km²39.5% of basin
- Waldenburg87.3 km²30.7% of basin
- Liestal54.4 km²19.1% of basin
- DorneckSolothurn · Switzerland17.7 km²6.2% of basin
- GösgenSolothurn · Switzerland9.0 km²3.2% of basin
- ThalSolothurn · Switzerland2.3 km²0.8% of basin
- OltenSolothurn · Switzerland1.1 km²0.4% of basin
- Laufenburg0.3 km²0.1% of basin
1 moreFull L2 list
- Rheinfelden0.0 km² · 0.0%
30 intersecting protected areas
Roti Flue - Dübach
IUCN Not AssignedForest Reserves
1.48 km² overlap
Röserental
IUCN Not AssignedForest Reserves
0.93 km² overlap
Eital - Summerholden
IUCN Not AssignedForest Reserves
0.74 km² overlap
Rumpel - Chlapfen
IUCN Not AssignedForest Reserves
0.73 km² overlap
Schanz - Walten
IUCN Not AssignedForest Reserves
0.71 km² overlap
Talweiher
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
0.69 km² overlap
Sissacher Fluh - Bischofsstein
IUCN Not AssignedForest Reserves
0.65 km² overlap
Tenniker Fluh - Sangeten
IUCN Not AssignedForest Reserves
0.60 km² overlap
Wasserfallen
IUCN Not AssignedForest Reserves
0.59 km² overlap
21 more protected areassorted by overlap area
Chrindel
IUCN Not AssignedForest Reserves
0.59 km² overlap
Rehhag
IUCN Not AssignedForest Reserves
0.58 km² overlap
Landschachen - Huppergruben
IUCN Not AssignedForest Reserves
0.55 km² overlap
Schlimberg-Underberg
IUCN Not AssignedForest Reserves
0.50 km² overlap
Mutti - Schöffleten
IUCN Not AssignedForest Reserves
0.49 km² overlap
Bürtenflue - Ängiberg
IUCN Not AssignedForest Reserves
0.48 km² overlap
Wildenstein
IUCN Not AssignedForest Reserves
0.47 km² overlap
Tal
IUCN Not AssignedForest Reserves
0.45 km² overlap
Chienberg
IUCN Not AssignedForest Reserves
0.38 km² overlap
Wasserfalle - Roti Flue
IUCN Not AssignedForest Reserves
0.38 km² overlap
Schöntalfluh - Spittelweid
IUCN Not AssignedForest Reserves
0.38 km² overlap
Stälzer - Pfiferatten
IUCN Not AssignedForest Reserves
0.37 km² overlap
Wischberg
IUCN Not AssignedForest Reserves
0.37 km² overlap
Richtiflue
IUCN Not AssignedForest Reserves
0.37 km² overlap
Stellihübel - Furtboden
IUCN Not AssignedForest Reserves
0.36 km² overlap
Rifenstein - Horniflue
IUCN Not AssignedForest Reserves
0.36 km² overlap
Rebhalde - Rehhag
IUCN Not AssignedForest Reserves
0.34 km² overlap
Bilsteinflue - Nünbrunnen
IUCN Not AssignedForest Reserves
0.28 km² overlap
Edlisberg - Meiersberg
IUCN Not AssignedForest Reserves
0.26 km² overlap
Tannenboden - Allmet
IUCN Not AssignedForest Reserves
0.25 km² overlap
Gipsgrube
IUCN Not AssignedForest Reserves
0.25 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 414 distinct species · 875 105 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Ergolz : 9 espèces reliées par 145 interactions GloBI sur 5 types (connectance 31.2%, filtre Serrano α=0.2). 22 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
8,4°C
Annual rain
1 023mm
Moisture idx (CMI)
0,26
Runoff
679mm/an
PET
744mm
AET
678mm
Mean slope
11,3°
Water table
382cm
Forest
67%
Crops
2%
Urban
23%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)