Ontologia

Rivière· 27 segments

River Tamar

Crosses 2 administrative regions : NA

rivière

Total length

171km

Max discharge

36,2m³/s

Max Strahler

5

Segments matched

27

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080049290960 km²

2 administrative regions crossed (GADM L2)

  • NA
    England · United Kingdom
    52.6 km
    in this dpt
  • NA
    England · United Kingdom
    41.4 km
    in this dpt

18 intersecting protected areas

9 more protected areas

1 page = 1 named river (aggregation of 27 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 262 distinct species · 9 200 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 23 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 River Tamar : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 5 types (connectance 27.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
75
Connectance
0.272
Patrimoniales
1
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

171km

Max discharge

36,2m³/s

Max Strahler

5

Segments matched

27

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