Ontologia

Marine Protected Area (OSPAR) · GBR

Severn Estuary

IUCN Not Reported223 km²Established 2011
Key facts
Area
223 km²
IUCN cat.
Not Reported
Year
2011

Overview

Designation
Marine Protected Area (OSPAR)
Established
2011
Managing authority
OSPAR Commission

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

Species present

4 666 distinct species · 121 701 observations

Source: GBIF Occurrence snapshot 2026-05-01.

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 Severn Estuary : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 6 types (connectance 19.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
108
Connectance
0.193
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Hydrology11 basins · 0 lakes · 26 rivers

Hydrology metrics for this exact territory

Stream length here

20,1km

Basins crossed

11

Max stream order

5

Max drainage

10 975km²

Discharge in basins

2,9m³/s

Mean precip.

864mm/an

Mean T°

9,5°C

Moisture idx

0,21

Max snow

13%

Mean runoff

607mm/an

Mean elev. (basins)

95m

Rivers / streams (26, ord ≥ 4)

14 more river segments

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
51.59345, -2.66871
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.