Ontologia

Rivière· 5 segments

Margat Nal

Crosses 1 administrative regions : Lahul & Spiti

rivière

Total length

4km

Max discharge

185,9m³/s

Max Strahler

5

Segments matched

5

River geography1 admin regions · 0 communes

Parent watershed

hybas-40806871401672 km²

1 administrative regions crossed (GADM L2)

1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

299 distinct species · 963 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 46 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 Margat Nal : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 92 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
92
Connectance
0.082
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

4km

Max discharge

185,9m³/s

Max Strahler

5

Segments matched

5

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.