Ontologia

Rivière· 56 segments

Чёрная

Crosses 17 administrative regions : Demyanskiy rayon, Gatchinskiy rayon, Kirishskiy rayon, Kirovskiy rayon, Krestetskiy rayon +12

rivière

Total length

6 916km

Max discharge

7m³/s

Max Strahler

4

Segments matched

56

River geography17 admin regions · 0 communes

Parent watershed

hybas-2080240570895 km²

17 administrative regions crossed (GADM L2)

6 intersecting protected areas

1 page = 1 named river (aggregation of 56 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

65 distinct species · 110 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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 Чёрная : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
29
Connectance
0.083
Patrimoniales
1
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

6 916km

Max discharge

7,0m³/s

Max Strahler

4

Segments matched

56

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