Ontologia

HydroBASINS lev08 watershed · #2080049960

Bassin de River Tâf

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 2 administrative regions : Carmarthenshire, Pembrokeshire

Coastal basinPfafstetter: 23301751

Sub-basin area

790,6km²

Upstream area

790,6km²

Discharge

1,26m³/s

Mean elev.

92m

Administrative coverage

2 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

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

Species present

8 463 distinct species · 254 536 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

254 536 obs · 21 cellules
Obs. / cellule
≥ 54 965
29 622–54 964
9 752–29 621
7 101–9 751
< 7 101

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

Ecological tissue

Sample of 22 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 River Tâf : 15 espèces reliées par 31 interactions GloBI sur 4 types (connectance 13.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
31
Connectance
0.134
Patrimoniales
0
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°

9,8°C

Annual rain

963mm

Moisture idx (CMI)

0,41

Runoff

992mm/an

PET

567mm

AET

495mm

Mean slope

4,2°

Water table

208cm

Forest

4%

Crops

14%

Urban

3%

Protected

19%

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