Spawning area · est
Ahja jõgi
- Area
- 1 km²
- IUCN cat.
- Not Assigned
- Year
- 2022
Overview
- Designation
- Spawning area
- Established
- 2022
- Managing authority
- Ministry of Environment, Narva mnt 7a, Tallinn, Estonia
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 311 distinct species · 4 904 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 Ahja jõgi : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 7 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 · 0 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
3,5km
Basins crossed
1
Max stream order
3
Max drainage
1 055km²
Discharge in basins
0,0m³/s
Mean precip.
611mm/an
Mean T°
4,9°C
Moisture idx
0,04
Max snow
38%
Mean runoff
242mm/an
Mean elev. (basins)
78m
Watersheds crossing here
Rivers / streams (8, ord ≥ 4)
- Ahja jõgiord 3len here2.86 km5%total63 km
- Piirojaord 3len here0.46 km8%total6 km
- Orajõgiord 2len here0.05 km0%total45 km
- Kotiku ojaord 3len here0.03 km0%total9 km
- Hatiku ojaord 1len here0.03 km1%total3 km
- Kooskora ojaord 1len here0.01 km0%total5 km
- Akste ojaord 1len here0.01 km1%total2 km
- Jugoojaord 1len here0.00 km0%total4 km
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
- 58.08121, 26.93539
- 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.