Ontologia

HydroBASINS lev08 watershed · #4080756600

Bassin de Mandakini

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 : Chamoli, Garhwal, Rudraprayag, Tehri Garhwal, Uttarkashi

Pfafstetter: 45246920

Sub-basin area

1 662,5km²

Upstream area

1 662,5km²

Discharge

47,34m³/s

Mean elev.

2 724m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Alaknanda816 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

5 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Nanda Devi

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

    13.55 km² overlap

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

Species present

762 distinct species · 55 595 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

55 595 obs · 38 cellules
Obs. / cellule
≥ 20 869
5 998–20 868
584–5 997
135–583
< 135

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

Ecological tissue

Sample of 11 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 Mandakini : 7 espèces reliées par 17 interactions GloBI sur 2 types (connectance 21.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
17
Connectance
0.218
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°

10,2°C

Annual rain

1 342mm

Moisture idx (CMI)

0,28

Runoff

844mm/an

PET

963mm

AET

827mm

Mean slope

27,3°

Water table

889cm

Forest

46%

Crops

9%

Urban

1%

Protected

28%

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