Ontologia

HydroBASINS lev08 watershed · #2080550650

Bassin de Secchia

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 : Lucca, Mantua, Massa Carrara, Modena, Reggio Nell'Emilia

Pfafstetter: 21406160

Sub-basin area

2 164,3km²

Upstream area

2 164,5km²

Discharge

29,23m³/s

Mean elev.

424m

Administrative coverage

Hydrographic chain

Drains into

Bassin de Po928 km²

Receives from 0 basins

Source / headwater (no upstream basin)

5 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

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

Species present

3 157 distinct species · 31 946 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 946 obs · 58 cellules
Obs. / cellule
≥ 1 844
1 389–1 843
692–1 388
360–691
< 360

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

Ecological tissue

Sample of 39 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 Secchia : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 5 types (connectance 12.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
90
Connectance
0.121
Patrimoniales
1
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°

11,4°C

Annual rain

851mm

Moisture idx (CMI)

0,00

Runoff

406mm/an

PET

857mm

AET

628mm

Mean slope

7,1°

Water table

256cm

Forest

33%

Crops

24%

Urban

13%

Protected

5%

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