Biosphere Reserve · lva
Ziemeļvidzemes biosfēras rezervāts
- Area
- 4 758 km²
- IUCN cat.
- V
- Year
- 1997
Overview
- Designation
- Biosphere Reserve
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1997
- Managing authority
- MEPRD. Ministry of Environmental Protection and Regional Development. Peldu iela 25, Riga, LV-1494, Latvia
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
4 068 distinct species · 55 210 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Ziemeļvidzemes biosfēras rezervāts : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 84 interactions GloBI sur 4 types (connectance 11.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology16 basins · 36 lakes · 78 rivers
Hydrology metrics for this exact territory
Stream length here
1 034,1km
Lake surface here
58,19km²
Basins crossed
16
Max stream order
4
Max drainage
7 894km²
Discharge in basins
55,8m³/s
Mean precip.
651mm/an
Mean T°
5,5°C
Moisture idx
0,13
Max snow
40%
Mean runoff
345mm/an
Mean elev. (basins)
62m
Watersheds crossing here
- Bassin de Salacasub-area3 569 km²overlap2991.14 km²63%
- Bassin de Svētupesub-area502,7 km²overlap505.21 km²11%
- Bassin de Cimeļupesub-area305,7 km²overlap294.80 km²6%
- Bassin de Braslasub-area520,2 km²overlap199.31 km²4%
- Bassin de Gaujasub-area1 337,4 km²overlap136.40 km²3%
- Bassin de Lemmejõgisub-area632,2 km²overlap126.37 km²3%
- Bassin de Vitrupesub-area120 km²overlap120.64 km²3%
- Bassin de Pedeli jõgisub-area224,9 km²overlap81.59 km²2%
- Bassin de Duntes strautssub-area53,1 km²overlap38.02 km²1%
7 more basinssorted by overlap
- Bassin de Aģesub-area310,3 km²overlap32.05 km²1%
- Bassin de Gaujasub-area1 546 km²overlap26.36 km²1%
- Bassin de Õhne jõgisub-area661,6 km²overlap17.27 km²0%
- Bassin de Navesti jõgisub-area2 718,5 km²overlap13.26 km²0%
- Basin #27450sub-area5,2 km²overlap5.24 km²0%
- Bassin de Reiu jõgisub-area748,8 km²overlap0.23 km²0%
- Bassin de Purtsi jõgisub-area490,4 km²overlap0.05 km²0%
Lakes (36, top by area)
- Burtnieku Ezersarea39,6 km²avg depth3.7 m
- Augstrozes Lielezersarea3,6 km²avg depth4.6 m
- Lādes Ezersarea2,3 km²avg depth4.8 m
- Limbažu Lielezersarea2,1 km²avg depth4.5 m
- Ramatas Lielezersarea1,6 km²avg depth1.2 m
- Lac 1301519area0,9 km²avg depth2.1 m
- Lac 1303570area0,8 km²avg depth4.2 m
- Lac 1303095area0,6 km²avg depth2.7 m
- Lac 1303188area0,6 km²avg depth2.6 m
27 more lakes
- Lac 1303360area0,6 km²avg depth3.5 m
- Lac 1302314area0,5 km²avg depth3.1 m
- Lac 1303399area0,5 km²avg depth2.8 m
- Lac 1303683area0,4 km²avg depth2.7 m
- Lac 1303450area0,3 km²avg depth3.6 m
- Lac 1303402area0,3 km²avg depth2.9 m
- Lac 1302117area0,3 km²avg depth3.0 m
- Lac 1301491area0,2 km²avg depth1.8 m
- Lac 1303039area0,2 km²avg depth2.6 m
- Lac 1302506area0,2 km²avg depth4.1 m
- Lac 1302160area0,2 km²avg depth1.7 m
- Lac 1303746area0,2 km²avg depth2.2 m
- Lac 1301415area0,2 km²avg depth2.5 m
- Lac 1302366area0,2 km²avg depth2.2 m
- Lac 1302738area0,2 km²avg depth1.9 m
- Lac 1302037area0,2 km²avg depth2.1 m
- Lac 1302774area0,1 km²avg depth2.7 m
- Lac 1303010area0,1 km²avg depth2.9 m
- Lac 1302191area0,1 km²avg depth2.9 m
- Lac 1303252area0,1 km²avg depth2.4 m
- Lac 1302499area0,1 km²avg depth3.3 m
- Lac 1302711area0,1 km²avg depth2.1 m
- Lac 1303802area0,1 km²avg depth2.2 m
- Lac 1303595area0,1 km²avg depth2.8 m
- Lac 1302227area0,1 km²avg depth2.6 m
- Lac 1302801area0,1 km²avg depth1.3 m
- Lac 1302690area0,1 km²avg depth1.7 m
Rivers / streams (78, ord ≥ 4)
- Salacaord 4len here112.40 km100%total112 km
- Rūjaord 3len here68.49 km90%total76 km
- Sedaord 3len here58.48 km84%total69 km
- Svētupeord 4len here40.97 km100%total41 km
- Briedeord 3len here40.57 km88%total46 km
- Acupīteord 3len here33.67 km100%total34 km
- Ramataord 4len here28.13 km98%total29 km
- Cimeļupeord 2len here27.69 km100%total28 km
- Ludiņupeord 2len here26.34 km100%total26 km
- Pērļupeord 3len here25.97 km100%total26 km
- Īģeord 3len here25.55 km100%total25 km
- Braslaord 3len here22.57 km46%total49 km
66 more river segmentssorted by Strahler order + length
- Saprašaord 2len here22.01 km99%total22 km
- Joglaord 1len here19.79 km100%total20 km
- Glāžupeord 2len here18.17 km100%total18 km
- Ķireord 1len here18.03 km100%total18 km
- Ķireleord 1len here17.13 km100%total17 km
- Kiviste krord 1len here16.31 km86%total19 km
- Mazbriedeord 2len here16.15 km100%total16 km
- Rikandaord 2len here15.12 km100%total15 km
- Stakļupīteord 2len here15.07 km82%total18 km
- Strenčupīteord 2len here15.04 km90%total17 km
- Pedeli jõgiord 2len here14.86 km49%total30 km
- Korģeord 4len here14.83 km100%total15 km
- Eiķinupeord 2len here13.52 km100%total13 km
- Oļaord 3len here13.52 km100%total13 km
- Korģeord 1len here13.27 km100%total13 km
- Dronaord 1len here12.98 km100%total13 km
- Arupiteord 2len here12.83 km100%total13 km
- Liepupeord 2len here12.15 km100%total12 km
- Iesalaord 1len here11.01 km100%total11 km
- Gaspažaord 3len here10.88 km100%total11 km
- Palmuteord 2len here10.85 km100%total11 km
- Vīķupīteord 3len here10.54 km100%total11 km
- Reiņupeord 2len here9.95 km100%total10 km
- Aunupīteord 1len here9.43 km100%total9 km
- Pakteneord 1len here9.15 km100%total9 km
- Vitrupeord 2len here9.05 km100%total9 km
- Spaļupeord 3len here8.68 km100%total9 km
- Vidzemnieku grāvisord 1len here8.40 km100%total8 km
- Jaunupeord 4len here7.84 km100%total8 km
- Supučupīteord 2len here7.66 km100%total8 km
- Zariņupīteord 2len here7.28 km100%total7 km
- Balcerupīteord 1len here7.25 km100%total7 km
- Pinteord 3len here7.18 km100%total7 km
- Mazupīteord 1len here7.13 km44%total16 km
- Zaķupīteord 2len here6.72 km100%total7 km
- Raudojaord 1len here6.44 km77%total8 km
- Korģīteord 1len here5.95 km100%total6 km
- Lemmejõgiord 1len here5.27 km20%total26 km
- Ungenurgaord 1len here4.88 km100%total5 km
- Mažurkaord 1len here4.53 km100%total5 km
- Ančupīteord 1len here4.46 km100%total4 km
- Blusupīteord 1len here4.42 km100%total4 km
- Krišupeord 1len here4.35 km100%total4 km
- Vitrupeord 1len here3.92 km100%total4 km
- Ārciema dzirnavezera strautsord 2len here3.88 km100%total4 km
- Ošupīteord 1len here3.81 km100%total4 km
- Soģupeord 1len here3.67 km100%total4 km
- Õhne jõgiord 3len here3.66 km4%total104 km
- Negurskas upīteord 1len here3.61 km100%total4 km
- Maratas upīteord 3len here3.31 km100%total3 km
- Ruhja jõgi / Rūjaord 2len here3.17 km49%total6 km
- Melnupeord 1len here3.08 km100%total3 km
- Šķisrtsiņaord 2len here2.82 km100%total3 km
- Bauņupīteord 1len here2.66 km100%total3 km
- Duntes strautsord 1len here2.43 km101%total2 km
- Menčupīteord 3len here2.38 km100%total2 km
- Krāņupīteord 1len here2.38 km100%total2 km
- Ērgļupīteord 3len here2.11 km100%total2 km
- Silupīteord 1len here1.93 km100%total2 km
- Anuļaord 2len here1.23 km7%total19 km
- Kranupīteord 1len here1.04 km100%total1 km
- Zundaord 1len here1.04 km100%total1 km
- Virķīteord 3len here0.77 km100%total1 km
- Enceļupeord 1len here0.15 km6%total2 km
- Treimani jõgiord 2len here0.07 km1%total6 km
- Külaojaord 1len here0.07 km2%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
- 57.72995, 25.12195
- 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.