Ontologia

HydroBASINS lev08 watershed · #2080481220

Bassin du Vernisson

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 : Loiret

Pfafstetter: 23240647

Sub-basin area

326,7km²

Upstream area

1 780,5km²

Discharge

12,51m³/s

Mean elev.

130m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

28 communes (GADM L5)

2 intersecting protected areas

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

Species present

5 287 distinct species · 174 057 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

174 057 obs · 10 cellules
Obs. / cellule
≥ 56 395
56 395–56 394
21 065–56 394
12 099–21 064
< 12 099

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

Ecological tissue

Sample of 34 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 du Vernisson : 23 espèces reliées par 127 interactions GloBI sur 6 types (connectance 21.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
127
Connectance
0.213
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°

11,0°C

Annual rain

669mm

Moisture idx (CMI)

-0,22

Runoff

228mm/an

PET

861mm

AET

564mm

Mean slope

0,9°

Water table

47cm

Forest

21%

Crops

46%

Urban

8%

Protected

0%

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