Ontologia

HydroBASINS lev08 watershed · #2080420830

Bassin de Vltava

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 29 administrative regions : Kladno, Litoměřice, Louny, Mělník, Praha - východ +24

Pfafstetter: 23287000

Sub-basin area

1 507,8km²

Upstream area

28 095,3km²

Discharge

156,58m³/s

Mean elev.

288m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

29 dept-equivalent regions (GADM L2)

21 more

30 intersecting protected areas

21 more protected areas

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

Species present

7 621 distinct species · 707 047 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

707 047 obs · 45 cellules
Obs. / cellule
≥ 114 989
59 950–114 988
9 100–59 949
4 802–9 099
< 4 802

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 Vltava : 28 espèces reliées par 106 interactions GloBI sur 5 types (connectance 15.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
106
Connectance
0.151
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°

8,2°C

Annual rain

515mm

Moisture idx (CMI)

-0,33

Runoff

130mm/an

PET

768mm

AET

443mm

Mean slope

2,5°

Water table

254cm

Forest

3%

Crops

63%

Urban

38%

Protected

1%

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