Ontologia

Wetland of International Importance (Ramsar Site) · fra

Marais du Cotentin et du Bessin, Baie des Veys

IUCN Not Reported389 km²Established 1991
Key facts
Area
389 km²
IUCN cat.
Not Reported
Year
1991

Overview

Designation
Wetland of International Importance (Ramsar Site)
Established
1991
Managing authority
Not Reported

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

Species present

4 953 distinct species · 217 309 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 36 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 Marais du Cotentin et du Bessin, Baie des Veys : 28 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 4 types (connectance 14.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
89
Connectance
0.141
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Hydrology5 basins · 5 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

273,2km

Lake surface here

16,67km²

Basins crossed

5

Max stream order

4

Max drainage

1 958km²

Discharge in basins

7,1m³/s

Mean precip.

823mm/an

Mean T°

11,2°C

Moisture idx

0,16

Max snow

9%

Mean runoff

701mm/an

Mean elev. (basins)

57m

Rivers / streams (36, ord ≥ 4)

24 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
49.32819, -1.12816
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.