Rivière· 20 segments

Świder

Crosses 5 administrative regions : Garwolin, Mińsk, Otwock, Siedlce, Łuków

rivière

Total length

99km

Max discharge

3,9m³/s

Max Strahler

Segments matched

River geography5 admin regions · 0 communes

Parent watershed

hybas-20803754501197 km²

5 administrative regions crossed (GADM L2)

Otwock
Mazowieckie · Poland
32.7 km
in this dpt
Łuków
Lubelskie · Poland
26.3 km
in this dpt
Mińsk
Mazowieckie · Poland
25.9 km
in this dpt
Siedlce
Mazowieckie · Poland
5.8 km
in this dpt
Garwolin
Mazowieckie · Poland
3.1 km
in this dpt

11 intersecting protected areas

Warszawski
IUCN Not Assigned
Protected Landscape Area
Nadwiślański (powiat garwoliński, miński i otwocki)
IUCN Not Assigned
Protected Landscape Area
Łukowski Obszar Chronionego Krajobrazu
IUCN Not Assigned
Protected Landscape Area
Mazowiecki Park Krajobrazowy
IUCN V
Landscape Park
Dolina Środkowego Świdra
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Dąbrowy Seroczyńskie
IUCN IV
Nature Reserve
Dąbrowy Seroczyńskie
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Świder
IUCN IV
Nature Reserve
Gołe Łąki
IUCN Not Reported
Site of Community Importance (Habitats Directive)

2 more protected areassorted by area

Kulak
IUCN IV
Nature Reserve
Wólczańska Góra
IUCN IV
Nature Reserve

1 page = 1 named river (aggregation of 20 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

47 distinct species · 71 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 21 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 Świder : 17 espèces reliées par 26 interactions GloBI sur 2 types (connectance 12.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.124

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)