Ziemeļvidzemes biosfēras rezervāts
IUCN VBiosphere Reserve · 1997
4 758 km²
District · LVA
Limbaži
Latvia
DfbCold, no dry season, warm summer(100 %)
Species observed
2 736
Observations
24 226
Area
2 551,5km²
Ecological tissue
Sample of 42 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Limbaži : 30 espèces reliées par 111 interactions GloBI sur 4 types (connectance 12.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
111
Connectance
0.129
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 736 distinct species · 24 226 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,3°C
Annual rain
782mm
Warmest m°
21,3°C
Coldest m°
-7,1°C
Elevation: 52 m on average (min -7 m, max 108 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,3°C
Annual rain
782mm
Warmest month
21,3°C
Coldest month
-7,1°C
Mean alt.
52m
Min
-7m
Max
108m
Std. dev.
21m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,8
Org. C
79,4g/kg
Clay
13,4%
Sand
53,8%
Silt
32,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
110,8g/kg
Clay
13,1%
Sand
53,7%
Silt
33,2%
5–15 cm
pH H₂O
5,8
Org. C
86,0g/kg
Clay
12,4%
Sand
54,5%
Silt
33,0%
15–30 cm
pH H₂O
5,9
Org. C
41,4g/kg
Clay
14,6%
Sand
53,2%
Silt
32,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest52.9%
Crops24.0%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)22.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 29 lakes · 44 rivers
Hydrology metrics for this exact territory
Stream length here
515,4km
Lake surface here
18,62km²
Basins crossed
11
Max stream order
4
Max drainage
9 161km²
Discharge in basins
29,0m³/s
Mean precip.
653mm/an
Mean T°
5,6°C
Moisture idx
0,14
Max snow
39%
Mean runoff
347mm/an
Mean elev. (basins)
56m
Watersheds crossing here
- Bassin de Salacasub-area3 569 km²overlap835.39 km²33%
- Bassin de Svētupesub-area502,7 km²overlap505.22 km²20%
- Bassin de Cimeļupesub-area305,7 km²overlap307.15 km²12%
- Bassin de Aģesub-area310,3 km²overlap281.52 km²11%
- Bassin de Braslasub-area520,2 km²overlap247.72 km²10%
- Bassin de Lemmejõgisub-area632,2 km²overlap125.43 km²5%
- Bassin de Vitrupesub-area120 km²overlap117.36 km²5%
- Bassin de Puskasub-area354,4 km²overlap67.28 km²3%
- Bassin de Duntes strautssub-area53,1 km²overlap52.02 km²2%
2 more basinssorted by overlap
Lakes (29, top by area)
- Augstrozes Lielezersarea3,6 km²avg depth4.6 m
- Aijažu Ezersarea2,9 km²avg depth4.2 m
- Lādes Ezersarea2,3 km²avg depth4.8 m
- Limbažu Lielezersarea2,1 km²avg depth4.5 m
- Lac 1301519area0,9 km²avg depth2.1 m
- Lac 1304489area0,9 km²avg depth4.0 m
- Lac 1303570area0,8 km²avg depth4.2 m
- Lac 1303095area0,6 km²avg depth2.7 m
- Lac 1303360area0,6 km²avg depth3.5 m
20 more lakes
- 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 1303039area0,2 km²avg depth2.6 m
- Lac 1304087area0,2 km²avg depth1.2 m
- Lac 1303746area0,2 km²avg depth2.2 m
- Lac 1304634area0,2 km²avg depth2.0 m
- Lac 1302366area0,2 km²avg depth2.2 m
- Lac 1302738area0,2 km²avg depth1.9 m
- Lac 1302774area0,1 km²avg depth2.7 m
- Lac 1303252area0,1 km²avg depth2.4 m
- Lac 1303010area0,1 km²avg depth2.9 m
- Lac 1304771area0,1 km²avg depth2.7 m
- Lac 1303802area0,1 km²avg depth2.2 m
- Lac 1303595area0,1 km²avg depth2.8 m
- Lac 1302711area0,1 km²avg depth2.1 m
- Lac 1302801area0,1 km²avg depth1.3 m
- Lac 1302690area0,1 km²avg depth1.7 m
Rivers / streams (44, ord ≥ 4)
- Salacaord 4len here66.37 km59%total112 km
- Aģeord 3len here42.49 km100%total42 km
- Svētupeord 4len here40.97 km100%total41 km
- Cimeļupeord 2len here27.69 km100%total28 km
- Ludiņupeord 2len here26.34 km100%total26 km
- Pērļupeord 3len here25.97 km100%total26 km
- Īģeord 3len here25.24 km99%total25 km
- Braslaord 3len here23.79 km49%total49 km
- Joglaord 1len here19.79 km100%total20 km
- Glāžupeord 2len here17.12 km94%total18 km
- Mazupīteord 1len here16.36 km100%total16 km
- Korģeord 4len here14.83 km100%total15 km
32 more river segmentssorted by Strahler order + length
- Korģeord 1len here13.27 km100%total13 km
- Arupiteord 2len here12.83 km100%total13 km
- Liepupeord 2len here12.12 km100%total12 km
- Reiņupeord 2len here9.95 km100%total10 km
- Vitrupeord 2len here9.05 km100%total9 km
- Spaļupeord 3len here8.68 km100%total9 km
- Iesalaord 1len here8.59 km78%total11 km
- Igateord 2len here8.24 km100%total8 km
- Ķīšupeord 2len here6.79 km38%total18 km
- Zaķupīteord 2len here6.72 km100%total7 km
- Jaunupeord 4len here6.51 km83%total8 km
- Korģīteord 1len here5.95 km100%total6 km
- Lemmejõgiord 1len here5.15 km20%total26 km
- Ungenurgaord 1len here4.88 km100%total5 km
- Ķireleord 1len here4.66 km27%total17 km
- Mažurkaord 1len here4.53 km100%total5 km
- Krišupeord 1len here4.35 km100%total4 km
- Blusupīteord 1len here4.30 km97%total4 km
- Juglaord 1len here3.93 km83%total5 km
- Vitrupeord 1len here3.92 km100%total4 km
- Ārciema dzirnavezera strautsord 2len here3.88 km100%total4 km
- Pēterupeord 1len here3.87 km63%total6 km
- Soģupeord 1len here3.67 km100%total4 km
- Melnupeord 1len here3.08 km100%total3 km
- Šķisrtsiņaord 2len here2.82 km100%total3 km
- Duntes strautsord 1len here2.43 km101%total2 km
- Enceļupeord 1len here2.40 km100%total2 km
- Kranupīteord 1len here1.04 km100%total1 km
- Panūtaord 1len here0.43 km9%total5 km
- Nabeord 1len here0.17 km1%total16 km
- Pēterupeord 1len here0.17 km1%total20 km
- Treimani jõgiord 2len here0.07 km1%total6 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
12,5%
Pesticides
6,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas88
IUCN Not Reported · 33IUCN IV · 28IUCN III · 13IUCN VI · 5IUCN Not Assigned · 4IUCN V · 2IUCN Ia · 1IUCN II · 1IUCN Ib · 1🌊 Marine · 17
Põhja-Liivimaa
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2004
193 km²
Northern Bogs
IUCN VIWetland of International Importance (Ramsar Site) · 2003
77 km²
Ziemeļu purvi
IUCN IVNature Reserve · 1977
77 km²
Ziemeļu purvi
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2004
77 km²
Ziemeļu purvi
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
77 km²
Complete list88 protected areas
- Ziemeļvidzemes biosfēras rezervātsBiosphere ReserveIUCN V19974 758 km²
- Põhja-LiivimaaSpecial Protection Area (Birds Directive)IUCN Not Reported2004193 km²
- Northern BogsWetland of International Importance (Ramsar Site)IUCN VI200377 km²
- Ziemeļu purviNature ReserveIUCN IV197777 km²
- Ziemeļu purviSpecial Protection Area (Birds Directive)IUCN Not Reported200477 km²
- Ziemeļu purviSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202277 km²
- Ainazi-SalacgrivaBaltic Sea Protected Area (HELCOM)IUCN Not Reported201371 km²
- Ainaži - SalacgrīvaProtected Marine AreaIUCN IV201071 km²
- Ainaži - SalacgrīvaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202271 km²
- NigulaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported200664 km²
- NigulaWetland of International Importance (Ramsar Site)IUCN Ia199764 km²
- Nigula looduskaitsealaNature reserveIUCN Not Assigned195764 km²
- Salacas ielejaSpecial Protection Area (Birds Directive)IUCN Not Reported200463 km²
- Salacas ielejaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202263 km²
- Salacas ielejaNature ParkIUCN II197763 km²
- SookuningaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported200659 km²
- Sookuninga looduskaitsealaNature reserveIUCN Not Assigned196459 km²
- SookuningaWetland of International Importance (Ramsar Site)IUCN Ib200759 km²
- AugstrozeNature ReserveIUCN IV197740 km²
- AugstrozeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202240 km²
- AugstrozeSpecial Protection Area (Birds Directive)IUCN Not Reported200440 km²
- Vitrupe - TūjaProtected Marine AreaIUCN IV201036 km²
- Vitrupe - TūjaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202236 km²
- Vitrupe-TujaBaltic Sea Protected Area (HELCOM)IUCN Not Reported201336 km²
- Lielais un Pemmes purvsNature ReserveIUCN IV199935 km²
- Lielais un Pemmes purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202235 km²
- Lielais un Pemmes purvsSpecial Protection Area (Birds Directive)IUCN Not Reported200435 km²
- Sookuninga LKA, Sookuninga pv.Limited management zone of nature reserveIUCN VI200619 km²
- Nigula LKA, Nigula pv.Limited management zone of nature reserveIUCN VI200619 km²
- Vidzemes akmeņainā jūrmalaNature ReserveIUCN IV195715 km²
- Vidzemes akmeņainā jūrmalaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202215 km²
- Kiusumetsa hoiualaLimited-conservation areaIUCN VI200714 km²
- Massiaru hoiualaLimited-conservation areaIUCN VI200714 km²
- Sookuninga LKA, Kodaja skv.Managed conservation zone of nature reserveIUCN IV200611 km²
- Niedrāju-Pilkas purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202210 km²
- Niedrāju - Pilkas purvsNature ReserveIUCN IV198710 km²
- LielpurvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202210 km²
- LielpurvsNature ReserveIUCN IV198710 km²
- Laugas purvsNature ReserveIUCN IV19997 km²
- Laugas purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20227 km²
- Sookuninga LKA, Sandre skv.Managed conservation zone of nature reserveIUCN IV20065 km²
- Dzērves purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20225 km²
- Dzērves purvsNature ReserveIUCN IV19875 km²
- Korģes mežiNature ReserveIUCN IV20235 km²
- Kalna purvsNature ReserveIUCN IV20044 km²
- Kalna purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20224 km²
- Dziļezers un RiebezersNature ReserveIUCN IV19774 km²
- Dziļezers un RiebezersSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20224 km²
- Purgaiļu purvsNature ReserveIUCN IV19873 km²
- Purgaiļu purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- Randu pļavasNature ReserveIUCN IV19623 km²
- Randu pļavasSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- Randu pļavasSpecial Protection Area (Birds Directive)IUCN Not Reported20043 km²
- LinezersNature ReserveIUCN IV19993 km²
- LinezersSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- DūņezersSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20222 km²
- DūņezersNature ReserveIUCN IV19772 km²
- Klagatu purvsNature ReserveIUCN IV20042 km²
- Klagatu purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20222 km²
- KivikupitsaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20071 km²
+ 28 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN