Ontologia

HydroBASINS lev08 watershed · #2080049180

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 3 administrative regions : NA, Plymouth

Coastal basinPfafstetter: 23301335

Sub-basin area

1 041,3km²

Upstream area

1 041,3km²

Discharge

6,3m³/s

Mean elev.

153m

Administrative coverage

3 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

11 401 distinct species · 791 589 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

791 589 obs · 30 cellules
Obs. / cellule
≥ 68 236
62 574–68 235
33 206–62 573
21 398–33 205
< 21 398

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

Ecological tissue

Sample of 29 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 : 18 espèces reliées par 118 interactions GloBI sur 5 types (connectance 23.8%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
118
Connectance
0.238
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°

9,7°C

Annual rain

1 036mm

Moisture idx (CMI)

0,40

Runoff

979mm/an

PET

612mm

AET

525mm

Mean slope

5,2°

Water table

246cm

Forest

2%

Crops

18%

Urban

10%

Protected

65%

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