Rivière
Pauna oja
⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 5 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.
Crosses 2 administrative regions : Taheva, Valka
Max discharge
48m³/s
Max Strahler
5
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- ValkaVidzeme · Latvia5.3 kmin this dpt
- TahevaValga · Estonia1.9 kmin this dpt
19 intersecting protected areas
Ziemeļgauja
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ziemeļgauja
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Ziemeļgauja
IUCN VProtected Landscape Area
Koiva-Mustjõe
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Koiva-Mustjõe luha
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Koiva-Mustjõe maastikukaitseala
IUCN Not AssignedProtected landscape (nature park)
Limited management zone of protected landscape
Igaunijas riests
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Igaunijas riests
IUCN IVMicro-reserve
10 more protected areassorted by area
Koiva-Mustjõe MKA, Lepa skv.
IUCN IbWilderness conservation zone of protected landscape
Managed conservation zone of protected landscape
Koiva jõgi
IUCN Not AssignedSpawning area
VEP nr.E01274
IUCN Not AssignedWoodland key habitat
VEP nr.206859
IUCN Not AssignedWoodland key habitat
VEP nr.208485
IUCN Not AssignedWoodland key habitat
VEP nr.E01273
IUCN Not AssignedWoodland key habitat
VEP nr.127038
IUCN Not AssignedWoodland key habitat
VEP nr.212435
IUCN Not AssignedWoodland key habitat
VEP nr.127202
IUCN Not AssignedWoodland key habitat
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 436 distinct species · 6 093 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Pauna oja : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 5 types (connectance 18.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Matched len.
7,1km
Max discharge
48,0m³/s
Max Strahler
5
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.