Ontologia

HydroBASINS lev08 watershed · #2080482920

Bassin du Loing

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 3 administrative regions : Loiret, Nièvre, Yonne

4% lakePfafstetter: 23240648

Sub-basin area

550km²

Upstream area

550,2km²

Discharge

3,97m³/s

Mean elev.

185m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin du Vernisson327 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

39 communes (GADM L5)

7 intersecting protected areas

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

Species present

3 758 distinct species · 217 530 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

217 530 obs · 19 cellules
Obs. / cellule
≥ 51 983
26 266–51 982
10 174–26 265
9 201–10 173
< 9 201

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

Ecological tissue

Sample of 35 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 Loing : 29 espèces + 6 bulles famille, 77 interactions GloBI documentées sur 3 types (connectance 12.9%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
35
Interactions affichées
77
Connectance
0.129
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°

10,7°C

Annual rain

693mm

Moisture idx (CMI)

-0,19

Runoff

228mm/an

PET

857mm

AET

580mm

Mean slope

1,5°

Water table

121cm

Forest

8%

Crops

54%

Urban

0%

Protected

0%

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