Ontologia

HydroBASINS lev08 watershed · #2080019000

Bassin de Ribeira de São Pedro

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 4 administrative regions : Alcobaça, Leiria, Marinha Grande, Nazaré

Coastal basinPfafstetter: 23170030

Sub-basin area

173,1km²

Upstream area

173,2km²

Discharge

2,16m³/s

Mean elev.

75m

Administrative coverage

4 dept-equivalent regions (GADM L2)

  • Marinha Grande
    Leiria · Portugal
    101.9 km²
    58.8% of basin
  • Alcobaça
    Leiria · Portugal
    50.9 km²
    29.4% of basin
  • Nazaré
    Leiria · Portugal
    14.1 km²
    8.1% of basin
  • Leiria
    Leiria · Portugal
    0.1 km²
    0.1% of basin

1 intersecting protected areas

  • Aveiro/ Nazaré

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    5.30 km² overlap

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

Species present

1 769 distinct species · 19 813 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 813 obs · 6 cellules
Obs. / cellule
≥ 5 431
5 431–5 430
3 923–5 430
3 893–3 922
< 3 893

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

Ecological tissue

Sample of 33 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 Ribeira de São Pedro : 26 espèces reliées par 49 interactions GloBI sur 4 types (connectance 9.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
49
Connectance
0.093
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°

15,3°C

Annual rain

794mm

Moisture idx (CMI)

-0,11

Runoff

407mm/an

PET

891mm

AET

593mm

Mean slope

2,1°

Water table

222cm

Forest

95%

Crops

17%

Urban

3%

Protected

0%

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