Severn Estuary/ Môr Hafren
IUCN Not ReportedEmerald Network
738 km²
Subdivision · GBR
Mill
United Kingdom
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 597
Observations
25 068
Area
12,1km²
Ecological tissue
Sample of 21 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 Mill : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 12.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
22
Interactions affichées
29
Connectance
0.126
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 597 distinct species · 25 068 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,6°C
Annual rain
1 059mm
Warmest m°
20,6°C
Coldest m°
2,0°C
Elevation: 14 m on average (min -13 m, max 65 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
1 059mm
Warmest month
20,6°C
Coldest month
2,0°C
Mean alt.
14m
Min
-13m
Max
65m
Std. dev.
17m
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
4,6km
Basins crossed
1
Max stream order
1
Max drainage
210km²
Discharge in basins
0,0m³/s
Mean precip.
895mm/an
Mean T°
9,8°C
Moisture idx
0,26
Max snow
8%
Mean runoff
649mm/an
Mean elev. (basins)
61m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas10
IUCN IV · 6IUCN Not Reported · 4🌊 Marine · 6
Severn Estuary / Môr Hafren
IUCN Not ReportedMarine Protected Area (OSPAR) · 2008
722 km²
Severn Estuary
IUCN Not ReportedEmerald Network
245 km²
Severn Estuary
IUCN IVWetland of International Importance (Ramsar Site) · 1976
241 km²
Severn Estuary
IUCN Not ReportedMarine Protected Area (OSPAR) · 2011
223 km²
Severn Estuary
IUCN IVSite of Special Scientific Interest · 1976
69 km²
Complete list10 protected areas
- Severn Estuary/ Môr HafrenEmerald NetworkIUCN Not Reported738 km²
- Severn Estuary / Môr HafrenMarine Protected Area (OSPAR)IUCN Not Reported2008722 km²
- Severn EstuaryEmerald NetworkIUCN Not Reported245 km²
- Severn EstuaryWetland of International Importance (Ramsar Site)IUCN IV1976241 km²
- Severn EstuaryMarine Protected Area (OSPAR)IUCN Not Reported2011223 km²
- Severn EstuarySite of Special Scientific InterestIUCN IV197669 km²
- Gwent Levels - Redwick And LlandevennySite of Special Scientific InterestIUCN IV19899 km²
- Gwent Levels - Magor And UndySite of Special Scientific InterestIUCN IV19896 km²
- Penhow WoodlandsSite of Special Scientific InterestIUCN IV19840 km²
- Magor MarshSite of Special Scientific InterestIUCN IV19790 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN