Ontologia

HydroBASINS lev08 watershed · #2080284510

Bassin de Helige å

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 4 administrative regions : Alvesta, Tingsryd, Växjö, Älmhult

210% lakePfafstetter: 24475063

Sub-basin area

391,3km²

Upstream area

2 400,2km²

Discharge

22,9m³/s

Mean elev.

157m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

4 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas
  • Nature Reserve

    2.58 km² overlap

  • Agnäs

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    2.58 km² overlap

  • Agnäs

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    2.58 km² overlap

  • Nature Reserve

    1.49 km² overlap

  • Nature Reserve

    1.32 km² overlap

  • Husebymaden

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    1.31 km² overlap

  • Husebymaden

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.31 km² overlap

  • Natura 2000 SCI

    1.31 km² overlap

  • Natura 2000 SPA

    1.31 km² overlap

  • Nature Reserve

    1.31 km² overlap

  • Nature Reserve

    1.11 km² overlap

  • Hunshult

    IUCN Ia

    Natura 2000 SCI

    1.09 km² overlap

  • Hunshult

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.09 km² overlap

  • 2004829 Skatelövsfjorden

    IUCN Not Assigned

    Wildlife and Plant Sanctuary

    0.91 km² overlap

  • Nature Reserve

    0.64 km² overlap

  • Långö

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    0.60 km² overlap

  • Långö

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.60 km² overlap

  • Långö

    IUCN Ia

    Natura 2000 SCI

    0.60 km² overlap

  • Långö

    IUCN Ia

    Natura 2000 SPA

    0.60 km² overlap

  • Nature Reserve

    0.60 km² overlap

  • Nature Reserve

    0.57 km² overlap

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

Species present

5 903 distinct species · 199 504 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

199 504 obs · 13 cellules
Obs. / cellule
≥ 62 339
33 324–62 338
21 492–33 323
8 691–21 491
< 8 691

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

Ecological tissue

Sample of 39 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 Helige å : 36 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 3 types (connectance 9.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
71
Connectance
0.091
Patrimoniales
4
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°

6,7°C

Annual rain

656mm

Moisture idx (CMI)

0,08

Runoff

300mm/an

PET

604mm

AET

457mm

Mean slope

1,3°

Water table

109cm

Forest

67%

Crops

12%

Urban

0%

Protected

6%

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