Ontologia

HydroBASINS lev08 watershed · #2080495280

Bassin de la Loire

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 1 administrative regions : Loir-et-Cher

Pfafstetter: 23227050

Sub-basin area

0,3km²

Upstream area

39 094km²

Discharge

367,61m³/s

Mean elev.

64m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

1 communes (GADM L5)

2 intersecting protected areas

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

Species present

1 990 distinct species · 18 904 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 904 obs · 1 cellules
Obs. / cellule
≥ 18 904
18 904–18 903
18 904–18 903
18 904–18 903
< 18 904

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

Ecological tissue

Sample of 45 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 la Loire : 40 espèces + 5 bulles famille, 90 interactions GloBI documentées sur 5 types (connectance 9.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
45
Interactions affichées
90
Connectance
0.091
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°

11,3°C

Annual rain

648mm

Moisture idx (CMI)

-0,25

Runoff

207mm/an

PET

866mm

AET

547mm

Mean slope

0,1°

Water table

0cm

Forest

0%

Crops

30%

Urban

0%

Protected

0%

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