Ontologia

Rivière· 19 segments

Fiume Magra

Crosses 2 administrative regions : La Spezia, Massa Carrara

rivière

Total length

65km

Max discharge

53,5m³/s

Max Strahler

4

Segments matched

19

River geography2 admin regions · 0 communes

Parent watershed

hybas-20800161001673 km²

2 administrative regions crossed (GADM L2)

  • Massa Carrara
    Toscana · Italy
    21.1 km
    in this dpt
  • La Spezia
    Liguria · Italy
    16.9 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 19 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

659 distinct species · 1 445 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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 Fiume Magra : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 5 types (connectance 10.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
49
Connectance
0.105
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

65km

Max discharge

53,5m³/s

Max Strahler

4

Segments matched

19

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