Ontologia

HydroBASINS lev08 watershed · #2080368800

Bassin de River Avon

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 4 administrative regions : NA

2% lakePfafstetter: 23301429

Sub-basin area

349,3km²

Upstream area

349,3km²

Discharge

3,91m³/s

Mean elev.

120m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

18 intersecting protected areas

9 more protected areas

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

Species present

6 628 distinct species · 458 434 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

458 434 obs · 11 cellules
Obs. / cellule
≥ 235 950
65 763–235 949
27 880–65 762
21 106–27 879
< 21 106

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

Ecological tissue

Sample of 37 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 River Avon : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 5 types (connectance 14.9%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
99
Connectance
0.149
Patrimoniales
2
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°

9,3°C

Annual rain

639mm

Moisture idx (CMI)

-0,06

Runoff

341mm/an

PET

676mm

AET

507mm

Mean slope

1,4°

Water table

99cm

Forest

0%

Crops

60%

Urban

13%

Protected

1%

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