Ontologia

Site of Special Scientific Interest · gbr

Avon Valley (Bickton to Christchurch)

IV · Aire d'habitats / espèces14 km²Established 1993
Key facts
Area
14 km²
IUCN cat.
IV
Year
1993

Overview

Designation
Site of Special Scientific Interest
IUCN category
IV · Aire d'habitats / espèces

Gestion active pour maintenir habitats / espèces particuliers

Established
1993
Managing authority
Not Reported

Source : WDPA (UNEP-WCMC, World Database on Protected Areas).

Species present

1 937 distinct species · 13 973 observations

Source: GBIF Occurrence snapshot 2026-05-01.

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 Avon Valley (Bickton to Christchurch) : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 7 types (connectance 11.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
72
Connectance
0.114
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology2 basins · 3 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

21,7km

Lake surface here

0,79km²

Basins crossed

2

Max stream order

4

Max drainage

2 950km²

Discharge in basins

1,2m³/s

Mean precip.

788mm/an

Mean T°

9,7°C

Moisture idx

0,11

Max snow

7%

Mean runoff

522mm/an

Mean elev. (basins)

77m

Watersheds crossing here

Lakes (3, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Location

Chargement de la carte…

Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)

Centroid
50.78685, -1.80060
Open in maps
OpenStreetMap → · Satellite →

Species observed (Phase 2)

Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.