Rivière· 4 segments
Giessengraben - La Roggia (Fossa Giessen)
Crosses 1 administrative regions : Bolzano
Total length
10km
Max discharge
54,3m³/s
Max Strahler
4
Segments matched
4
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- BolzanoTrentino-Alto Adige · Italy11.3 kmin this dpt
2 intersecting protected areas
Biotopo Ontaneti di Postal
IUCN IVRegional/Provincial Nature Reserve
Regional/Provincial Nature Reserve
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
819 distinct species · 2 968 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Giessengraben - La Roggia (Fossa Giessen) : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 102 interactions GloBI sur 5 types (connectance 12.4%, 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
10km
Max discharge
54,3m³/s
Max Strahler
4
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.