Koknese-Odziena
IUCN VProtected Landscape Area · 2024
186 km²
District · LVA
Aizkraukle
Latvia
DfbCold, no dry season, warm summer(100 %)
Species observed
1 991
Observations
44 490
Area
2 595,1km²
Ecological tissue
Sample of 43 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 Aizkraukle : 30 espèces reliées par 60 interactions GloBI sur 5 types (connectance 6.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
60
Connectance
0.063
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
1 991 distinct species · 44 490 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,4°C
Annual rain
742mm
Warmest m°
22,0°C
Coldest m°
-7,1°C
Elevation: 83 m on average (min 37 m, max 202 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,4°C
Annual rain
742mm
Warmest month
22,0°C
Coldest month
-7,1°C
Mean alt.
83m
Min
37m
Max
202m
Std. dev.
23m
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
86,7g/kg
Clay
13,8%
Sand
54,6%
Silt
31,5%
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
121,2g/kg
Clay
13,5%
Sand
55,0%
Silt
31,6%
5–15 cm
pH H₂O
5,7
Org. C
93,3g/kg
Clay
12,5%
Sand
55,8%
Silt
31,7%
15–30 cm
pH H₂O
5,7
Org. C
45,7g/kg
Clay
15,6%
Sand
53,2%
Silt
31,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest56.1%
Crops23.2%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)20.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology17 basins · 16 lakes · 37 rivers
Hydrology metrics for this exact territory
Stream length here
577,4km
Lake surface here
32,73km²
Basins crossed
17
Max stream order
6
Max drainage
81 632km²
Discharge in basins
1 403,2m³/s
Mean precip.
654mm/an
Mean T°
5,7°C
Moisture idx
0,06
Max snow
39%
Mean runoff
261mm/an
Mean elev. (basins)
88m
Watersheds crossing here
- Bassin de Iecavasub-area2 100,3 km²overlap366.16 km²14%
- Bassin de Pērsesub-area349,5 km²overlap306.28 km²12%
- Bassin de Viesītesub-area475,6 km²overlap304.64 km²12%
- Bassin de Daugavasub-area662,8 km²overlap223.39 km²9%
- Bassin de Daugavasub-area263,4 km²overlap213.29 km²8%
- Bassin de Dienvidsusējasub-area925,1 km²overlap201.76 km²8%
- Bassin de Laucesub-area185,5 km²overlap186.27 km²7%
- Bassin de Aiviekstesub-area2 384,4 km²overlap156.87 km²6%
- Bassin de Ogresub-area1 669,8 km²overlap151.92 km²6%
8 more basinssorted by overlap
- Bassin de Zalvītesub-area234,5 km²overlap119.80 km²5%
- Bassin de Nemunėlissub-area1 071,3 km²overlap117.17 km²5%
- Bassin de Daugavasub-area113,5 km²overlap114.03 km²4%
- Bassin de Dienvidsusējasub-area55,3 km²overlap55.57 km²2%
- Bassin de Nemunėlis / Mēmelesub-area72,3 km²overlap50.96 km²2%
- Bassin de Daugavasub-area1 564,7 km²overlap16.19 km²1%
- Bassin de Mēmelesub-area419,6 km²overlap10.33 km²0%
- Bassin de Dienvidsusējasub-area0,5 km²overlap0.47 km²0%
Lakes (16, top by area)
- Rabalkas Dzirnavezersarea25,4 km²avg depth20.0 m
- Lobes Ezersarea4,8 km²avg depth4.2 m
- Odzes Ezersarea2,5 km²avg depth5.1 m
- Piksteres Ezersarea2,3 km²avg depth1.7 m
- Rubeņa Dīķisarea1,7 km²avg depth3.6 m
- Lac 1307699area0,8 km²avg depth3.6 m
- Lac 1307105area0,6 km²avg depth3.5 m
- Lac 1307376area0,4 km²avg depth2.4 m
- Lac 1307918area0,4 km²avg depth2.7 m
Rivers / streams (37, ord ≥ 4)
- Iecavaord 4len here67.61 km43%total156 km
- Daugavaord 6len here62.27 km13%total466 km
- Dienvidsusējaord 3len here54.42 km43%total126 km
- Pērseord 6len here44.07 km91%total49 km
- Nemunėlis / Mēmeleord 5len here42.04 km49%total85 km
- Bebrupeord 2len here35.13 km100%total35 km
- Lauceord 2len here19.82 km100%total20 km
- Braslaord 1len here19.34 km97%total20 km
- Zalvītes strautsord 2len here19.00 km99%total19 km
- Vecā Vesetaord 2len here18.30 km93%total20 km
- Vesetaord 3len here16.97 km43%total40 km
- Ellīteord 2len here16.73 km100%total17 km
25 more river segmentssorted by Strahler order + length
- Pelavaord 3len here15.49 km100%total15 km
- Žebereord 2len here14.21 km100%total14 km
- Zalvīteord 2len here13.99 km53%total26 km
- Dzilnaord 3len here13.98 km100%total14 km
- Jūgupeord 1len here13.33 km100%total13 km
- Viesīteord 2len here11.83 km34%total35 km
- Pālupīteord 2len here11.22 km77%total15 km
- Dzirnupīteord 1len here10.37 km100%total10 km
- Dūņupeord 2len here9.76 km45%total22 km
- Maizīteord 2len here8.54 km100%total9 km
- Nereta / Neretiņaord 1len here6.89 km40%total17 km
- Mežziedu upīteord 1len here4.78 km100%total5 km
- Lobeord 2len here4.76 km17%total29 km
- Sunīteord 1len here4.20 km100%total4 km
- Mazsunāksteord 1len here4.06 km87%total5 km
- Ģirupeord 1len here3.74 km100%total4 km
- Iršupīteord 1len here2.96 km100%total3 km
- Lokmeneord 1len here1.94 km39%total5 km
- Dīvajaord 2len here1.39 km100%total1 km
- Pikstereord 1len here1.15 km36%total3 km
- Vīksniņaord 1len here1.09 km6%total17 km
- Antonicaord 3len here0.66 km10%total7 km
- Aivieksteord 5len here0.52 km0%total113 km
- Iesnupeord 1len here0.44 km9%total5 km
- Rītupīteord 6len here0.42 km2%total17 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
11,6%
Pesticides
6,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas52
IUCN Not Reported · 20IUCN IV · 19IUCN III · 10IUCN V · 1IUCN VI · 1IUCN II · 1
Biržų giria
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
177 km²
Biržų giria
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2005
177 km²
Biržų girios biosferos poligonas
IUCN VIBiosphere polygon · 2004
177 km²
Aklais purvs
IUCN IVNature Reserve · 1999
20 km²
Aklais purvs
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2004
20 km²
Complete list52 protected areas
- Koknese-OdzienaProtected Landscape AreaIUCN V2024186 km²
- Biržų giriaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2021177 km²
- Biržų giriaSpecial Protection Area (Birds Directive)IUCN Not Reported2005177 km²
- Biržų girios biosferos poligonasBiosphere polygonIUCN VI2004177 km²
- Aklais purvsNature ReserveIUCN IV199920 km²
- Aklais purvsSpecial Protection Area (Birds Directive)IUCN Not Reported200420 km²
- Aklais purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202220 km²
- Nemunėlio upės slėnisSpecial Protection Area (Birds Directive)IUCN Not Reported202216 km²
- Aizkraukles purvs un mežiNature ReserveIUCN IV199915 km²
- Aizkraukles purvi un mežiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202215 km²
- Krācējgrāvja staignāju mežiNature ReserveIUCN IV202315 km²
- Iecavas palieneNature ReserveIUCN IV202315 km²
- Daugavas ielejaSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202210 km²
- Daugavas ielejaNature ParkIUCN II198710 km²
- Jūgupes mežiNature ReserveIUCN IV20235 km²
- Šķibu purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20225 km²
- Šķibu purvsNature ReserveIUCN IV19775 km²
- Vesetas palienes purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20224 km²
- Vesetas palienes purvsNature ReserveIUCN IV19994 km²
- Skrīveru svešzemju koku stādījumiNature MonumentIUCN III20014 km²
- Nemunėlio vidurupisSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20094 km²
- Nemunėlio - Apaščios geologinis draustinisNature ReserveIUCN IV19603 km²
- Mazzalvītes purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- Mazzalvītes purvsNature ReserveIUCN IV19773 km²
- Dzilnas dumbrājiNature ReserveIUCN IV20042 km²
- Dzilnas dumbrājiSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20222 km²
- Vāveres ezersSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20222 km²
- Vāveres ezersNature ReserveIUCN IV19772 km²
- Seržu tīrelisSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20222 km²
- Seržu tīrelisNature ReserveIUCN IV19772 km²
- Kalsnavas dendrārijsNature MonumentIUCN III20011 km²
- KlintaineSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20221 km²
- KlintaineNature ReserveIUCN IV20041 km²
- Lobes ezera mežiNature ReserveIUCN IV20231 km²
- Ellītes purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20221 km²
- Ellītes purvsNature ReserveIUCN IV19771 km²
- OzolkalniNature ReserveIUCN IV19870 km²
- Gasparsona purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20220 km²
- Gasparsona purvsNature ReserveIUCN IV19770 km²
- Korkuļu sausgultne un pazemes upeNature MonumentIUCN III20010 km²
- Korkuļu sausgultne un pazemes upeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20220 km²
- Skrīveru dendrārijsNature MonumentIUCN III19570 km²
- Kokneses parksNature MonumentIUCN III19770 km²
- Klintaines sausgultne un karsta kritenesNature MonumentIUCN III19770 km²
- Cepļa (Jaunzemu) dolomīta atsegumsNature MonumentIUCN III19620 km²
- StaburagsNature MonumentIUCN III20010 km²
- Skrīveru-Madlienas ceļa bērzu alejaNature MonumentIUCN III20050 km²
- VecsēlpilsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20220 km²
- VecsēlpilsMicro-reserveIUCN IV20040 km²
- Dūņezera purvsNature ReserveIUCN IV19770 km²
- Dūņezera purvsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20220 km²
- Rīteru sausgultne un karsta kritenesNature MonumentIUCN III19770 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN