Nature Reserve · ltu
Merkio ichtiologinis draustinis
- Area
- 23 km²
- IUCN cat.
- IV
- Year
- 1974
Overview
- Designation
- Nature Reserve
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1974
- Managing authority
- State Protected Areas Service under The Ministry of Environment of Lithuania
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
250 distinct species · 577 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Merkio ichtiologinis draustinis : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 6 types (connectance 8.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology5 basins · 1 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
49,5km
Lake surface here
0,29km²
Basins crossed
5
Max stream order
4
Max drainage
2 777km²
Discharge in basins
0,4m³/s
Mean precip.
662mm/an
Mean T°
6,1°C
Moisture idx
-0,03
Max snow
35%
Mean runoff
210mm/an
Mean elev. (basins)
157m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (17, ord ≥ 4)
- Merkysord 4len here33.70 km23%total149 km
- Versekaord 2len here6.82 km14%total50 km
- Bienėord 2len here1.99 km40%total5 km
- Derežnaord 2len here1.97 km22%total9 km
- Varėnėord 4len here1.60 km4%total36 km
- Gelužaord 3len here0.80 km14%total6 km
- Derežnyčiaord 2len here0.66 km3%total22 km
- Šačiaord 4len here0.56 km11%total5 km
- Šalčiaord 3len here0.53 km1%total60 km
- Pasgrindaord 1len here0.38 km6%total6 km
- Mažasis Pirčiupisord 3len here0.20 km8%total2 km
- Cirvijaord 3len here0.12 km0%total25 km
5 more river segmentssorted by Strahler order + length
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
- 54.32554, 24.78718
- 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.