State Natural Zakaznik · rus
Cna
- Area
- 57 km²
- IUCN cat.
- IV
- Year
- 1988
Overview
- Designation
- State Natural Zakaznik
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1988
- Managing authority
- Federal Executive Authority and Government Agency
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
188 distinct species · 613 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Cna : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 5 types (connectance 14.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
12,3km
Lake surface here
0,34km²
Basins crossed
1
Max stream order
4
Max drainage
1 240km²
Discharge in basins
0,3m³/s
Mean precip.
599mm/an
Mean T°
4,7°C
Moisture idx
-0,10
Max snow
40%
Mean runoff
172mm/an
Mean elev. (basins)
135m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 55.35424, 39.45137
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.