Ontologia

HydroBASINS lev08 watershed · #2080032180

Bassin de Virån

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 : Hultsfred, Oskarshamn, Vimmerby

56% lakePfafstetter: 24475018

Sub-basin area

615,3km²

Upstream area

615,4km²

Discharge

3,79m³/s

Mean elev.

95m

Administrative coverage

3 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas
  • Nature Reserve

    1.49 km² overlap

  • Nature Reserve

    1.02 km² overlap

  • Grönudde

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.02 km² overlap

  • Grönudde

    IUCN Ia

    Natura 2000 SCI

    1.02 km² overlap

  • Nature Reserve

    1.02 km² overlap

  • Humlenäs

    IUCN IV

    Natura 2000 SCI

    0.76 km² overlap

  • Humlenäs

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.76 km² overlap

  • Nature Reserve

    0.48 km² overlap

  • Nature Reserve

    0.45 km² overlap

  • Krokshult

    IUCN Not Assigned

    Natura 2000 SCI

    0.41 km² overlap

  • Krokshult

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.41 km² overlap

  • Ösjökärr

    IUCN Not Assigned

    Natura 2000 SCI

    0.34 km² overlap

  • Ösjökärr

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.34 km² overlap

  • Nature Reserve

    0.22 km² overlap

  • Malghult

    IUCN IV

    Natura 2000 SCI

    0.22 km² overlap

  • Malghult

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.22 km² overlap

  • Nature Reserve

    0.22 km² overlap

  • Skrikebo

    IUCN Ia

    Natura 2000 SCI

    0.20 km² overlap

  • Nature Reserve

    0.20 km² overlap

  • Skrikebo

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.20 km² overlap

  • Nature Reserve

    0.17 km² overlap

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

Species present

4 821 distinct species · 162 330 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

162 330 obs · 21 cellules
Obs. / cellule
≥ 28 989
14 140–28 988
8 087–14 139
5 645–8 086
< 5 645

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

Ecological tissue

Sample of 33 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 Virån : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 5 types (connectance 16.6%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
99
Connectance
0.166
Patrimoniales
2
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°

6,9°C

Annual rain

545mm

Moisture idx (CMI)

-0,08

Runoff

219mm/an

PET

592mm

AET

429mm

Mean slope

1,8°

Water table

169cm

Forest

95%

Crops

5%

Urban

0%

Protected

1%

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