Ontologia

Rivière· 40 segments

Orzyc

Crosses 7 administrative regions : Maków, Mława, Nidzica, Ostrołęka, Przasnysz +2

rivière

Total length

151km

Max discharge

12,9m³/s

Max Strahler

4

Segments matched

40

River geography7 admin regions · 0 communes

Parent watershed

hybas-20803573502081 km²

7 administrative regions crossed (GADM L2)

  • Maków
    Mazowieckie · Poland
    70.5 km
    in this dpt
  • Przasnysz
    Mazowieckie · Poland
    47.9 km
    in this dpt
  • Nidzica
    Warmińsko-Mazurskie · Poland
    43.5 km
    in this dpt
  • Mława
    Mazowieckie · Poland
    31.5 km
    in this dpt
  • Szczytno
    Warmińsko-Mazurskie · Poland
    2.0 km
    in this dpt
  • Ostrołęka
    Mazowieckie · Poland
    0.0 km
    in this dpt
  • Pułtusk
    Mazowieckie · Poland
    0.0 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 40 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

38 distinct species · 134 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 23 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

Indicateurs du tissu écologique

Tissu écologique de Orzyc : 21 espèces reliées par 25 interactions GloBI sur 3 types (connectance 9.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
25
Connectance
0.099
Patrimoniales
0
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)

Total length

151km

Max discharge

12,9m³/s

Max Strahler

4

Segments matched

40

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.