Irbes saurums
IUCN Not ReportedBaltic Sea Protected Area (HELCOM) · 2013
1 724 km²
District · LVA
Ventspils
Latvia
DfbCold, no dry season, warm summer(100 %)
Species observed
1 692
Observations
8 035
Area
2 512,9km²
Ecological tissue
Sample of 31 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 Ventspils : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
54
Connectance
0.116
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 692 distinct species · 8 035 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,1°C
Annual rain
748mm
Warmest m°
20,6°C
Coldest m°
-4,5°C
Elevation: 20 m on average (min -9 m, max 64 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,1°C
Annual rain
748mm
Warmest month
20,6°C
Coldest month
-4,5°C
Mean alt.
20m
Min
-9m
Max
64m
Std. dev.
12m
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
5,7
Org. C
77,0g/kg
Clay
15,4%
Sand
59,7%
Silt
25,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
105,3g/kg
Clay
14,3%
Sand
60,6%
Silt
25,2%
5–15 cm
pH H₂O
5,7
Org. C
83,3g/kg
Clay
14,0%
Sand
60,8%
Silt
25,2%
15–30 cm
pH H₂O
5,8
Org. C
42,5g/kg
Clay
17,9%
Sand
57,6%
Silt
24,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest60.5%
Crops18.3%
Built-up0.1%
Bare soil0.2%
Other (grassland, water…)20.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 9 lakes · 38 rivers
Hydrology metrics for this exact territory
Stream length here
526,4km
Lake surface here
45,07km²
Basins crossed
7
Max stream order
5
Max drainage
11 843km²
Discharge in basins
129,5m³/s
Mean precip.
661mm/an
Mean T°
6,3°C
Moisture idx
0,16
Max snow
38%
Mean runoff
365mm/an
Mean elev. (basins)
36m
Watersheds crossing here
- Bassin de Stendesub-area1 897,2 km²overlap1035.06 km²41%
- Bassin de Ventasub-area903,1 km²overlap819.40 km²33%
- Bassin de Rīvasub-area2 221,3 km²overlap336.05 km²13%
- Bassin de Aužupesub-area203,1 km²overlap193.67 km²8%
- Bassin de Abavasub-area2 169,1 km²overlap94.33 km²4%
- Bassin de Pilsupesub-area445,6 km²overlap33.12 km²1%
- Bassin de Paduresub-area136,2 km²overlap0.79 km²0%
Lakes (9, top by area)
- Usmas Ezersarea36,2 km²avg depth9.1 m
- Puzes Ezersarea4,6 km²avg depth7.3 m
- Būšnieku Ezersarea3,1 km²avg depth4.9 m
- Lac 1303722area0,5 km²avg depth2.9 m
- Lac 1304850area0,3 km²avg depth3.0 m
- Lac 1304775area0,3 km²avg depth2.8 m
- Lac 1304710area0,2 km²avg depth3.1 m
- Lac 1304486area0,2 km²avg depth2.8 m
- Lac 1304390area0,2 km²avg depth2.4 m
Rivers / streams (38, ord ≥ 4)
- Stendeord 4len here89.54 km73%total123 km
- Ventaord 5len here68.39 km19%total360 km
- Vēždūkaord 5len here36.71 km100%total37 km
- Irbeord 4len here28.11 km100%total28 km
- Engureord 3len here26.33 km100%total26 km
- Užavaord 3len here24.69 km66%total37 km
- Trumpeord 1len here17.25 km100%total17 km
- Ostupeord 2len here17.11 km66%total26 km
- Lonasteord 3len here15.68 km100%total16 km
- Aužupeord 2len here14.51 km100%total14 km
- Dzirnavupeord 2len here14.25 km55%total26 km
- Rindaord 3len here13.78 km100%total14 km
26 more river segmentssorted by Strahler order + length
- Krojaord 1len here13.48 km100%total13 km
- Skaldeord 2len here12.02 km100%total12 km
- Abavaord 4len here11.64 km8%total145 km
- Plateneord 2len here11.57 km100%total12 km
- Dižgrāvisord 2len here10.99 km100%total11 km
- Spāreord 3len here9.94 km60%total17 km
- Packuleord 1len here9.25 km100%total9 km
- Raķupeord 2len here8.58 km31%total28 km
- Vārves strautsord 1len here8.38 km100%total8 km
- Kamārceord 3len here7.99 km100%total8 km
- Vičakaord 1len here6.83 km100%total7 km
- Pāceord 3len here6.73 km29%total23 km
- Seržaord 1len here6.25 km49%total13 km
- Vidumupīteord 1len here5.82 km100%total6 km
- Ķikansord 1len here5.48 km97%total6 km
- Veciereord 1len here5.00 km100%total5 km
- Vecventaord 1len here3.65 km100%total4 km
- Mārka grāvisord 1len here3.47 km99%total4 km
- Kažaord 1len here2.92 km100%total3 km
- Svētesord 1len here2.35 km100%total2 km
- Tērandeord 2len here2.24 km25%total9 km
- Kāņupeord 2len here1.92 km39%total5 km
- Pāžupīteord 1len here1.66 km100%total2 km
- Ķikansord 1len here1.63 km73%total2 km
- Rudupeord 5len here0.15 km1%total14 km
- Ēnavaord 1len here0.10 km6%total2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
12,4%
Pesticides
4,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas82
IUCN Not Reported · 40IUCN IV · 29IUCN III · 9IUCN II · 3IUCN Ib · 1🌊 Marine · 14
Irbes šaurums
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2011
1 724 km²
Irbes šaurums
IUCN IVProtected Marine Area · 2010
1 723 km²
Slīteres Nacionālais parks
IUCN IINational Park · 1921
164 km²
Slīteres Nacionālais parks
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2022
164 km²
Slīteres Nacionālais parks
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2004
164 km²
Complete list82 protected areas
- Irbes saurumsBaltic Sea Protected Area (HELCOM)IUCN Not Reported20131 724 km²
- Irbes šaurumsSpecial Protection Area (Birds Directive)IUCN Not Reported20111 724 km²
- Irbes šaurumsProtected Marine AreaIUCN IV20101 723 km²
- Slīteres Nacionālais parksNational ParkIUCN II1921164 km²
- Slīteres Nacionālais parksSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2022164 km²
- Slīteres Nacionālais parksSpecial Protection Area (Birds Directive)IUCN Not Reported2004164 km²
- Abavas senlejaSpecial Protection Area (Birds Directive)IUCN Not Reported2004149 km²
- Abavas senlejaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2022149 km²
- Abavas senlejaNature ParkIUCN II1957149 km²
- Ances purvi un mežiNature ReserveIUCN IV1999101 km²
- Ances purvi un mežiSpecial Protection Area (Birds Directive)IUCN Not Reported2004101 km²
- Ances purvi un mežiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2022101 km²
- Stiklu purviSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202272 km²
- Stiklu purviSpecial Protection Area (Birds Directive)IUCN Not Reported200472 km²
- Stiklu purviNature ReserveIUCN IV197772 km²
- OvīšiNature ReserveIUCN IV199951 km²
- OvīšiSpecial Protection Area (Birds Directive)IUCN Not Reported200451 km²
- OvīšiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202251 km²
- UžavaNature ReserveIUCN IV199930 km²
- UžavaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202230 km²
- UžavaSpecial Protection Area (Birds Directive)IUCN Not Reported200430 km²
- Ventas ielejaSpecial Protection Area (Birds Directive)IUCN Not Reported200925 km²
- Ventas ielejaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202225 km²
- Ventas ielejaNature ReserveIUCN IV195725 km²
- Manģenes mežiNature ReserveIUCN IV199922 km²
- Raķupes ielejaSpecial Protection Area (Birds Directive)IUCN Not Reported200422 km²
- Raķupes ielejaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202222 km²
- Raķupes ielejaNature ReserveIUCN IV198722 km²
- Manģenes mežiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202222 km²
- Manģenes mežiSpecial Protection Area (Birds Directive)IUCN Not Reported200422 km²
- Klāņu purvsNature ReserveIUCN IV197716 km²
- Klāņu purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202216 km²
- Užavas lejteceSpecial Protection Area (Birds Directive)IUCN Not Reported200414 km²
- Užavas lejteceNature ParkIUCN II200414 km²
- Sārnates purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202214 km²
- Sārnates purvsSpecial Protection Area (Birds Directive)IUCN Not Reported200414 km²
- Sārnates purvsNature ReserveIUCN IV198714 km²
- Moricsalas dabas rezervātsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20228 km²
- Moricsalas dabas rezervātsSpecial Protection Area (Birds Directive)IUCN Not Reported20098 km²
- Moricsalas dabas rezervātsStrict Nature ReserveIUCN Ib19128 km²
- Pluču tīrelisNature ReserveIUCN IV19777 km²
- Pluču tīrelisSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20227 km²
- Platenes purvsNature ReserveIUCN IV20045 km²
- Platenes purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20225 km²
- Viskūžu salaNature ReserveIUCN IV20043 km²
- Viskūžu salaSpecial Protection Area (Birds Directive)IUCN Not Reported20043 km²
- Viskūžu salaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- Druviņu tīrelisSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- Druviņu tīrelisNature ReserveIUCN IV20043 km²
- Nagļu un Ansiņu purvsNature ReserveIUCN IV19773 km²
- Nagļu un Ansiņu purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- Pasilciema mežiNature ReserveIUCN IV20232 km²
- Elkšķenes mežiNature ReserveIUCN IV20231 km²
- Gārzdes strauta mežiNature ReserveIUCN IV20231 km²
- Ostupes mežiNature ReserveIUCN IV20231 km²
- Priedulāju mežsNature ReserveIUCN IV20231 km²
- Pāces pļavasNature ReserveIUCN IV20041 km²
- Pāces pļavasSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20221 km²
- Pāces pļavasSpecial Protection Area (Birds Directive)IUCN Not Reported20091 km²
- Popes zāļu purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20221 km²
+ 22 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN