Rivière· 12 segments
Karvianjoki
Crosses 2 administrative regions : Pirkanmaa, Satakunta
Total length
100km
Max discharge
12,7m³/s
Max Strahler
4
Segments matched
12
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
16 intersecting protected areas
Metsälain erityisen tärkeät elinympäristöt Pirkanmaa
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
Pohjankangas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Metsälain erityisen tärkeät elinympäristöt Satakunta
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
Protected Mire
Pitkäniemenkeidas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Protected Mire
Puurokeidas-Hannankeidas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sinahmi
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Metsätalouden ympäristötukikohteet Satakunta
IUCN Not AssignedForestry environmental aid contracts (OECM)
7 more protected areassorted by area
Karvianjoen kosket
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ihanamäen metsä
IUCN IVPrivate Nature Reserve
Ihanamäen metsä 2
IUCN IVPrivate Nature Reserve
Malmbergin metsä
IUCN IVPrivate Nature Reserve
Jankkarin luonnonsuojelualue
IUCN IVPrivate Nature Reserve
Pikkuhaan luonnonsuojelualue
IUCN IVPrivate Nature Reserve
Private Nature Reserve
1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
29 distinct species · 58 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Karvianjoki : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 16 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 1 bulle taxonomique (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
100km
Max discharge
12,7m³/s
Max Strahler
4
Segments matched
12
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.