Ontologia

HydroBASINS lev08 watershed · #2080314180

Bassin de Nemunas

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 3 administrative regions : Jonavos, Kaišiadorių, Kauno

197% lakePfafstetter: 24260713

Sub-basin area

227,1km²

Upstream area

44 786,9km²

Discharge

276,35m³/s

Mean elev.

63m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

3 dept-equivalent regions (GADM L2)

10 intersecting protected areas

1 more protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

3 106 distinct species · 68 689 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

68 689 obs · 8 cellules
Obs. / cellule
≥ 25 896
25 896–25 895
10 024–25 895
9 062–10 023
< 9 062

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 38 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 Bassin de Nemunas : 31 espèces reliées par 52 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
52
Connectance
0.074
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

6,4°C

Annual rain

618mm

Moisture idx (CMI)

-0,08

Runoff

187mm/an

PET

675mm

AET

500mm

Mean slope

1,4°

Water table

141cm

Forest

39%

Crops

22%

Urban

19%

Protected

35%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)