Rivière· 9 segments
Gera
Crosses 4 administrative regions : Erfurt, Gotha, Ilm-Kreis, Sömmerda
Total length
47km
Max discharge
6,3m³/s
Max Strahler
4
Segments matched
9
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- ErfurtThüringen · Germany17.2 kmin this dpt
- Ilm-KreisThüringen · Germany7.7 kmin this dpt
- GothaThüringen · Germany6.2 kmin this dpt
- SömmerdaThüringen · Germany4.0 kmin this dpt
12 intersecting protected areas
Ackerhügelland westlich Erfurt mit Fahnerscher Höhe
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Ohrdrufer Muschelkalkplatte und Apfelstädtaue
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Gera-Unstrut-Niederung um Straußfurt
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Muschelkalkgebiet südöstlich Erfurt
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Steiger - Willroder Forst - Werningslebener Wald
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Steigerwald
IUCN VLandscape Protection Area
Apfelstädtaue zwischen Wechmar und Neudietendorf
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Trockenrasen nordwestlich Erfurt
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Schwellenburg
IUCN IVNature Reserve
3 more protected areassorted by area
Alacher See
IUCN IVNature Reserve
Gräben im Großen Ried
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Molsdorfer Schloßpark
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 198 distinct species · 6 070 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Gera : 25 espèces reliées par 115 interactions GloBI sur 4 types (connectance 17.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
47km
Max discharge
6,3m³/s
Max Strahler
4
Segments matched
9
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.