Žalioji giria
IUCN Not ReportedSite of Community Importance (Habitats Directive)
339 km²
District Municipality · LTU
Biržų
Lithuania
DfbCold, no dry season, warm summer(100 %)
Species observed
1 589
Observations
6 493
Area
1 481,4km²
Ecological tissue
Sample of 29 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 Biržų : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
42
Connectance
0.103
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
1 589 distinct species · 6 493 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,8°C
Annual rain
684mm
Warmest m°
22,3°C
Coldest m°
-6,6°C
Elevation: 62 m on average (min 34 m, max 90 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,8°C
Annual rain
684mm
Warmest month
22,3°C
Coldest month
-6,6°C
Mean alt.
62m
Min
34m
Max
90m
Std. dev.
11m
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
6,5
Org. C
67,4g/kg
Clay
17,2%
Sand
49,8%
Silt
33,0%
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
6,5
Org. C
102,4g/kg
Clay
16,3%
Sand
50,5%
Silt
33,2%
5–15 cm
pH H₂O
6,6
Org. C
56,5g/kg
Clay
15,7%
Sand
51,0%
Silt
33,3%
15–30 cm
pH H₂O
6,6
Org. C
43,3g/kg
Clay
19,5%
Sand
48,0%
Silt
32,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest27.3%
Crops50.8%
Built-up0.2%
Bare soil0.4%
Other (grassland, water…)21.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 4 lakes · 29 rivers
Hydrology metrics for this exact territory
Stream length here
351,6km
Lake surface here
4,38km²
Basins crossed
6
Max stream order
5
Max drainage
5 474km²
Discharge in basins
31,0m³/s
Mean precip.
624mm/an
Mean T°
6,0°C
Moisture idx
-0,02
Max snow
35%
Mean runoff
222mm/an
Mean elev. (basins)
61m
Watersheds crossing here
- Bassin de Apaščiasub-area819,4 km²overlap732.64 km²49%
- Bassin de Tatulasub-area1 248,3 km²overlap453.23 km²31%
- Bassin de Nemunėlissub-area1 071,3 km²overlap163.78 km²11%
- Bassin de Mēmelesub-area419,6 km²overlap82.10 km²6%
- Bassin de Lėvuosub-area1 936,6 km²overlap27.94 km²2%
- Bassin de Nemunėlis / Mēmelesub-area72,3 km²overlap21.71 km²1%
Lakes (4, top by area)
Rivers / streams (29, ord ≥ 4)
- Apaščiaord 3len here59.48 km80%total74 km
- Tatulaord 3len here40.04 km67%total60 km
- Nemunėlis / Mēmeleord 5len here30.89 km36%total85 km
- Serbentaord 2len here20.04 km100%total20 km
- Rovėjaord 2len here19.84 km100%total20 km
- Agluonaord 2len here18.22 km100%total18 km
- Upytėord 2len here17.86 km60%total30 km
- Aukštoji Gervėord 2len here16.59 km100%total17 km
- Juodupėord 2len here16.49 km57%total29 km
- Gavėnupisord 1len here12.37 km100%total12 km
- Nemunėlisord 4len here12.35 km18%total69 km
- Užlaord 1len here11.23 km100%total11 km
17 more river segmentssorted by Strahler order + length
- Dunojėlisord 2len here11.05 km100%total11 km
- Vabalaord 2len here8.91 km100%total9 km
- Obelaukisord 1len here8.38 km100%total8 km
- Krūtasord 1len here7.45 km95%total8 km
- Perkasasord 1len here6.23 km100%total6 km
- Žemoji Gervėord 3len here5.95 km100%total6 km
- Čeriaukštėord 2len here5.91 km55%total11 km
- Ievynėord 1len here4.79 km100%total5 km
- Čeriaukštė IIord 1len here4.08 km100%total4 km
- Kraklisord 1len here2.79 km94%total3 km
- Apaštėlėord 1len here2.05 km100%total2 km
- Vijūnytėord 1len here1.90 km37%total5 km
- Šilinėord 1len here1.86 km100%total2 km
- Gojusord 1len here1.70 km100%total2 km
- Nadžiupisord 1len here1.57 km40%total4 km
- Nereta / Neretiņaord 1len here0.78 km5%total17 km
- Orijaord 2len here0.78 km5%total16 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
19,3%
Pesticides
8,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas29
IUCN Not Reported · 16IUCN IV · 10IUCN VI · 2IUCN V · 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
Biržų regioninis parkas
IUCN VState Park · 1992
144 km²
Žaliosios girios biosferos poligonas
IUCN VIBiosphere polygon · 2004
142 km²
Complete list29 protected areas
- Žalioji giriaSite of Community Importance (Habitats Directive)IUCN Not Reported339 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
- Biržų regioninis parkasState ParkIUCN V1992144 km²
- Žaliosios girios biosferos poligonasBiosphere polygonIUCN VI2004142 km²
- Žalioji giriaSpecial Protection Area (Birds Directive)IUCN Not Reported2005142 km²
- Nemunėlio upės slėnisSpecial Protection Area (Birds Directive)IUCN Not Reported202216 km²
- Gipso karsto ežerai ir jų apyežerėsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202012 km²
- Suvainiškio telmologinis draustinisNature ReserveIUCN IV198812 km²
- Suvainiškio miškasSite of Community Importance (Habitats Directive)IUCN Not Reported12 km²
- Guodžių geomorfologinis draustinisNature ReserveIUCN IV19925 km²
- Nemunėlio vidurupisSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20094 km²
- Nemunėlio - Apaščios geologinis draustinisNature ReserveIUCN IV19603 km²
- Pamūšiai IISite of Community Importance (Habitats Directive)IUCN Not Reported3 km²
- Daudžgirių miškasSite of Community Importance (Habitats Directive)IUCN Not Reported2 km²
- Biržų girios botaninis draustinisNature ReserveIUCN IV19921 km²
- Latvelių botaninis draustinisNature ReserveIUCN IV19921 km²
- Ąžuolynės miškasSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20211 km²
- Užubalių apylinkėsSite of Community Importance (Habitats Directive)IUCN Not Reported1 km²
- Padaičių miškasSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20201 km²
- Karajimiškio kaimo apylinkėsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20201 km²
- Drąseikių kaimo apylinkėsSite of Community Importance (Habitats Directive)IUCN Not Reported0 km²
- Buožių kaimo apylinkėsSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20200 km²
- Buožių geologinis draustinisNature ReserveIUCN IV19880 km²
- Biržų girios drebulės genetinis draustinisNature ReserveIUCN IV20140 km²
- Biržų girios beržo genetinis draustinisNature ReserveIUCN IV20140 km²
- Biržų girios eglės genetinis draustinisNature ReserveIUCN IV20140 km²
- Biržų girios juodalksnio genetinis draustinisNature ReserveIUCN IV20140 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN