Ruisseau· 14 segments

Samica

Crosses 7 administrative regions : Gostyń, Grodzisk Wielkopolski, Kościan, Kępno, Leszno +2

ruisseau

Total length

67km

Max discharge

1,2m³/s

Max Strahler

Segments matched

River geography7 admin regions · 0 communes

Parent watershed

hybas-20803779001666 km²

7 administrative regions crossed (GADM L2)

Poznań
Wielkopolskie · Poland
39.4 km
in this dpt
Leszno
Wielkopolskie · Poland
25.5 km
in this dpt
Kościan
Wielkopolskie · Poland
21.5 km
in this dpt
Gostyń
Wielkopolskie · Poland
17.9 km
in this dpt
Kępno
Wielkopolskie · Poland
5.9 km
in this dpt
Grodzisk Wielkopolski
Wielkopolskie · Poland
2.7 km
in this dpt
Szamotuły
Wielkopolskie · Poland
0.6 km
in this dpt

11 intersecting protected areas

Krzywińsko-Osiecki wraz z zadrzewieniami generała Dezyderego Chłapowskiego i kompleksem leśnym Osieczna-Góra (woj. wielkop.)
IUCN Not Assigned
Protected Landscape Area
Ostoja Rogalińska
IUCN Not Reported
Special Protection Area (Birds Directive)
Kompleks leśny Śmigiel-Święciechowa
IUCN Not Assigned
Protected Landscape Area
Ostoja Wielkopolska
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Wielkopolski Park Narodowy
IUCN II
National Park
Zachodnie Pojezierze Krzywińskie
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Zbiornik Wonieść
IUCN Not Reported
Special Protection Area (Birds Directive)
Rynny Jeziora Lusowskiego i Doliny Samy
IUCN Not Assigned
Protected Landscape Area
Czarne Doły
IUCN Not Assigned
Nature Reserve

2 more protected areassorted by area

Jeziora Niepruszewskiego
IUCN Not Assigned
Protected Landscape Area
Ostoja żółwia błotnego
IUCN IV
Nature Reserve

1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

214 distinct species · 8 083 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 52 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Samica : 45 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 6 types (connectance 7.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

108

Connectance

0.078

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)