Ontologia

HydroBASINS lev08 watershed · #2080049720

Bassin de Rhymney River

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 9 administrative regions : Caerphilly, Cardiff, NA, Newport, Powys +1

Coastal basin 2% lakePfafstetter: 23301731

Sub-basin area

500,5km²

Upstream area

500,5km²

Discharge

0,03m³/s

Mean elev.

223m

Administrative coverage

9 dept-equivalent regions (GADM L2)

1 more
  • NA0.0 km² · 0.0%

30 intersecting protected areas

21 more protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

8 762 distinct species · 669 275 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

669 275 obs · 16 cellules
Obs. / cellule
≥ 133 130
96 376–133 129
62 518–96 375
34 194–62 517
< 34 194

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 35 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 Bassin de Rhymney River : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 6 types (connectance 18.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
108
Connectance
0.181
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

9,0°C

Annual rain

1 141mm

Moisture idx (CMI)

0,44

Runoff

848mm/an

PET

631mm

AET

553mm

Mean slope

6,4°

Water table

310cm

Forest

2%

Crops

14%

Urban

45%

Protected

11%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)