Marais Du Cotentin Et Du Bessin
IUCN VRegional Nature Park · 1991
1 475 km²
Commune · FRA
Bretteville-sur-Ay
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 330
Observations
5 978
Area
10,2km²
Ecological tissue
Sample of 69 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 Bretteville-sur-Ay : 12 espèces reliées par 482 interactions GloBI sur 6 types (connectance 8.3%, filtre Serrano α=0.2). 96 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
108
Interactions affichées
482
Connectance
0.083
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 330 distinct species · 5 978 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,8°C
Annual rain
928mm
Warmest m°
19,6°C
Coldest m°
4,8°C
Elevation: 12 m on average (min -8 m, max 38 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,8°C
Annual rain
928mm
Warmest month
19,6°C
Coldest month
4,8°C
Mean alt.
12m
Min
-8m
Max
38m
Std. dev.
9m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
3,2km
Basins crossed
1
Max stream order
1
Max drainage
1 320km²
Discharge in basins
0,1m³/s
Mean precip.
875mm/an
Mean T°
11,3°C
Moisture idx
0,24
Max snow
8%
Mean runoff
650mm/an
Mean elev. (basins)
56m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas4
IUCN IV · 2IUCN V · 1IUCN Not Reported · 1🌊 Marine · 2
Littoral ouest du Cotentin de Saint-Germain-sur-Ay au Rozel
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
23 km²
Havre de surville
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1979
3 km²
Havre de lessay
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1995
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.