Ontologia

HydroBASINS lev08 watershed · #2080036600

Bassin de Stordalselva

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 5 administrative regions : Mandalseid, Rissa, Roan, Verran, Åfjord

44% lakePfafstetter: 25107994

Sub-basin area

533,9km²

Upstream area

533,9km²

Discharge

33,55m³/s

Mean elev.

299m

Administrative coverage

5 dept-equivalent regions (GADM L2)

11 intersecting protected areas

  • Tekssjøen

    IUCN Not Reported

    Emerald Network

    22.27 km² overlap

  • Tekssjøen

    IUCN Ia

    Nature Reserve

    22.27 km² overlap

  • Høydalmoan

    IUCN Ia

    Nature Reserve

    1.72 km² overlap

  • Simadalen

    IUCN Ia

    Nature Reserve

    1.32 km² overlap

  • Sekken

    IUCN Ia

    Nature Reserve

    0.99 km² overlap

  • Nordstifjellet

    IUCN Ia

    Nature Reserve

    0.80 km² overlap

  • Trongstadlia

    IUCN Ia

    Nature Reserve

    0.71 km² overlap

  • Skjerva

    IUCN Ia

    Nature Reserve

    0.61 km² overlap

  • Kariholet

    IUCN Ia

    Nature Reserve

    0.46 km² overlap

2 more protected areas

  • Momyra

    IUCN Not Reported

    Emerald Network

    0.12 km² overlap

  • Momyra

    IUCN Ia

    Nature Reserve

    0.12 km² overlap

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

Species present

1 539 distinct species · 13 666 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 666 obs · 23 cellules
Obs. / cellule
≥ 1 600
1 314–1 599
895–1 313
446–894
< 446

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

Ecological tissue

Sample of 32 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 Stordalselva : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 6 types (connectance 14.7%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
73
Connectance
0.147
Patrimoniales
1
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°

3,7°C

Annual rain

1 132mm

Moisture idx (CMI)

0,62

Runoff

1 499mm/an

PET

432mm

AET

406mm

Mean slope

10,3°

Water table

354cm

Forest

56%

Crops

0%

Urban

0%

Protected

5%

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