Ontologia

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · fra

Baie d\'authie rive nord

IV · Aire d'habitats / espèces3 km²Established 1989
Key facts
Area
3 km²
IUCN cat.
IV
Year
1989

Overview

Designation
Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
IUCN category
IV · Aire d'habitats / espèces

Gestion active pour maintenir habitats / espèces particuliers

Established
1989
Managing authority
Ministry in charge of Environment, and the national seaside conservatory. In march 2012, name, acronym and address as follows : Conservatoire du Littoral (CdL), 27 rue Blanche, 75009 PARIS France.

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

Species present

1 769 distinct species · 43 351 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 43 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 Baie d\'authie rive nord : 37 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
96
Connectance
0.102
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 · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,16km²

Basins crossed

2

Max drainage

1 103km²

Discharge in basins

0,1m³/s

Mean precip.

640mm/an

Mean T°

10,4°C

Moisture idx

-0,07

Max snow

8%

Mean runoff

567mm/an

Mean elev. (basins)

44m

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
50.37481, 1.60974
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.