Ontologia

HydroBASINS lev08 watershed · #2080036360

Bassin de Nidelva

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 8 administrative regions : Klæbu, Malvik, Melhus, Meråker, Midtre Gauldal +3

75% lakePfafstetter: 25107921

Sub-basin area

785,9km²

Upstream area

3 085,3km²

Discharge

84,59m³/s

Mean elev.

397m

Administrative coverage

Hydrographic chain

Drains into

Outlet (drains to ocean / endorheic)

Receives from 2 basins

8 dept-equivalent regions (GADM L2)

14 intersecting protected areas

5 more protected areas
  • Renålia

    IUCN Ia

    Nature Reserve

    0.47 km² overlap

  • Nideng

    IUCN Ia

    Nature Reserve

    0.27 km² overlap

  • Bjørnmyra

    IUCN Not Reported

    Emerald Network

    0.12 km² overlap

  • Bjørnmyra

    IUCN Ia

    Nature Reserve

    0.12 km² overlap

  • Leira

    IUCN Ia

    Nature Reserve

    0.09 km² overlap

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

Species present

8 363 distinct species · 423 000 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

423 000 obs · 32 cellules
Obs. / cellule
≥ 144 808
24 288–144 807
8 658–24 287
1 386–8 657
< 1 386

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 Nidelva : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
69
Connectance
0.098
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°

2,7°C

Annual rain

824mm

Moisture idx (CMI)

0,45

Runoff

896mm/an

PET

455mm

AET

402mm

Mean slope

8,5°

Water table

311cm

Forest

63%

Crops

0%

Urban

2%

Protected

9%

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