Severn Estuary/ Môr Hafren
IUCN Not ReportedEmerald Network
738 km²
Commune · GBR
Newport
United Kingdom
CfbTemperate, no dry season, warm summer(100 %)
Species observed
6 711
Observations
414 405
Area
187,4km²
Ecological tissue
Sample of 38 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 Newport : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 92 interactions GloBI sur 5 types (connectance 13.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
92
Connectance
0.131
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
6 711 distinct species · 414 405 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,5°C
Annual rain
1 150mm
Warmest m°
20,1°C
Coldest m°
2,2°C
Elevation: 39 m on average (min -34 m, max 239 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,5°C
Annual rain
1 150mm
Warmest month
20,1°C
Coldest month
2,2°C
Mean alt.
39m
Min
-34m
Max
239m
Std. dev.
46m
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)
Hydrology3 basins · 2 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
62,6km
Lake surface here
0,42km²
Basins crossed
3
Max stream order
4
Max drainage
1 316km²
Discharge in basins
1,3m³/s
Mean precip.
1 042mm/an
Mean T°
9,3°C
Moisture idx
0,36
Max snow
11%
Mean runoff
767mm/an
Mean elev. (basins)
157m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (21, ord ≥ 4)
- Monk's Ditchord 1len here10.64 km100%total11 km
- River Uskord 4len here9.94 km10%total96 km
- Ebbw Riverord 2len here9.69 km46%total21 km
- Rhymney Riverord 2len here4.98 km10%total51 km
- Town Pillord 4len here4.35 km100%total4 km
- Skinner's Reenord 1len here3.58 km100%total4 km
- Longlands Reenord 1len here3.55 km38%total9 km
- Hawse Reenord 1len here2.58 km100%total3 km
- River Lwydord 2len here2.35 km25%total9 km
- Monmouthshire Canalord 2len here2.31 km34%total7 km
- Ynys Mead Reenord 1len here2.17 km100%total2 km
- Elver Pill Reenord 1len here1.85 km100%total2 km
9 more river segmentssorted by Strahler order + length
- Rhosog Fawr Reenord 1len here1.16 km100%total1 km
- Malpas Brookord 1len here0.87 km22%total4 km
- Windmil Reenord 2len here0.68 km73%total1 km
- Tarwick Reenord 1len here0.64 km92%total1 km
- Cockenton Reenord 2len here0.55 km99%total1 km
- Afon Lwydord 2len here0.39 km2%total20 km
- Sor Brookord 1len here0.25 km3%total9 km
- Nant Dduord 1len here0.08 km5%total1 km
- Candwr Brookord 1len here≈ tangenttotal1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas24
IUCN IV · 17IUCN Not Reported · 7🌊 Marine · 11
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 list24 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 - St. BridesSite of Special Scientific InterestIUCN IV199113 km²
- River Usk/ Afon WysgEmerald NetworkIUCN Not Reported10 km²
- Gwent Levels - Rumney And PeterstoneSite of Special Scientific InterestIUCN IV199310 km²
- Gwent Levels - Redwick And LlandevennySite of Special Scientific InterestIUCN IV19899 km²
- Gwent Levels - WhitsonSite of Special Scientific InterestIUCN IV19889 km²
- Newport WetlandsNational Nature ReserveIUCN IV20089 km²
- Gwent Levels - Nash And GoldcliffSite of Special Scientific InterestIUCN IV19878 km²
- Gwent Levels - Magor And UndySite of Special Scientific InterestIUCN IV19896 km²
- River Usk (Lower Usk)/Afon Wysg (Wysg Isaf)Site of Special Scientific InterestIUCN IV19965 km²
- Gwlyptiroedd Casnewedd / Newport WetlandsSite of Special Scientific InterestIUCN IV20104 km²
- St. Julian'S ParkLocal Nature ReserveIUCN Not Reported20171 km²
- Penhow WoodlandsSite of Special Scientific InterestIUCN IV19840 km²
- Penhow WoodlandsNational Nature ReserveIUCN IV19840 km²
- Parc Seymour WoodsSite of Special Scientific InterestIUCN IV19710 km²
- Allt-Yr-YnLocal Nature ReserveIUCN Not Reported19950 km²
- Langstone-Llanmartin MeadowsSite of Special Scientific InterestIUCN IV19870 km²
- Newport WetlandsNature ReserveIUCN IV20080 km²
- Plas Machen WoodSite of Special Scientific InterestIUCN IV19810 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN